A-1 Window Mfg. Ltd.

Headquartered In: Burnaby, British Columbia,
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 0
Primarily Manufactured In: Burnaby
A-1 Windows has been manufacturing both vinyl and aluminum windows for nearly three decades. In 2022, the company plans to launch a new high-end tilt-and-turn system. The company also offers installation services to the local market. Officials say its thermally-broken 350 Series aluminum window wall system has been well received by all sections of the market, including by building envelope professionals as well as installers.

All Weather Architectural Aluminum

Headquartered In: Vacaville, Calif.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Vacaville
As a third-generation, family-owned business celebrating 50 years, officials for All Weather Architectural Aluminum say the company’s products are designed to enhance how you experience the world around you. Utilizing the highest quality materials and applying superior workmanship, the company’s ability to provide creative solutions and custom door and window products is one of its cornerstones, they suggest. From single family custom residential, to education and multi-family/mixed-use commercial projects, All Weather offers a comprehensive range of energy efficient, commercially- and acoustically-rated aluminum windows.

Alpen High Performance Products

Headquartered In: Louisville, Colo.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Louisville
If you’ve seen the windows and glass in the Empire State Building, then you’ve seen Alpen’s products. The company’s windows and insulating glass units are also enhancing everything from custom homes, a wide range of passive house buildings, government offices, college dorms and national park visitor centers to multifamily housing all over America. Officials say Alpen draws on more than three decades of experience to provide super-insulating and thermally efficient residential windows, commercial windows and architectural glass, as well as high performance secondary windows for retrofit projects. With Alpen, you also have the benefit of choosing either award winning thin glass or lightweight suspended-film technologies.


Headquartered In: Cuyahoga Falls, Ohio
Number of Manufacturing Facilities: 5
Number of Distribution Facilities: 108
Primarily Manufactured In: Throughout U.S.
As a division of Associated Materials LLC, officials for Alside say their company represents over seven decades of inspired innovation. Founded in 1947, the company is a leading manufacturer of vinyl siding and accessories, and vinyl windows and patio doors for the residential and commercial remodeling and new construction markets. With headquarters in Cuyahoga Falls, Ohio, Alside has more than 3,000 employees in its seven manufacturing facilities. Products are distributed to licensed professional remodeling contractors and home builders through a network of more than 100 Alside Supply Centers and select independent distributors across the country.

Andersen Corp.

Headquartered In: Bayport, Minn.
Number of Manufacturing Facilities: 14
Number of Distribution Facilities: 10
Primarily Manufactured In: Minnesota, Iowa, Texas,
Arizona, California, Virginia, Canada
Andersen Corp. is among the largest and longest-standing door and window manufacturers in North America. Its subsidiaries manufacture and market products under the Andersen, Renewal by Andersen, EMCO, Weiland, MQ and Heritage brands. The company was founded in 1903 on the philosophy of working “all together” to deliver on its promise to customers. Officials say products are designed for the way people live, unmatched performance for the comfort and security homeowners desire, and endless design options to achieve any style. The privately-held company has more than 10,000 employees and operates over 30 manufacturing sites across North America and Europe.

Centor North America

Headquartered In: Aurora, Ill.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Aurora
Centor is a high-end manufacturer of folding door hardware, large format retractable screens, and what officials say are the world’s first and only integrated door and window systems. Headquartered in Brisbane, Australia, the company has been a supplier to the fenestration industry for 70 years. Centor North America is based in Aurora, Ill., and fabricates and distributes to all of North America. In 2009, the company introduced its first retractable screen system, the S1, and in 2013 launched the first and only integrated door and window systems. The larger format systems (folding and sliding) are designed to fit into standard two-by-six wall construction.

Conservation Windows

Headquartered In: Mt. Carmel, Pa.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Mt. Carmel
Regency Plus, featuring Conservation Windows, is a family-owned business that takes great pride in its doors and windows. Located in Mt. Carmel, Pa., officials say they have a full line of impact and non-impact rated window lines, along with “some of the best energy efficient products made today.” Employees treat each and every window as if it was going into their own homes, they say, while striving for the highest quality and always finding ways to better serve customers.

Cornerstone Building Brands

Headquartered In: Cary, N.C.
Number of Manufacturing Facilities: 28
Number of Distribution Facilities: N/A
Primarily Manufactured In: Throughout U.S.
As what officials say is the largest manufacturer of building products in North America, Cornerstone Building Brands offers a range of door and window options across a portfolio of brands, including Ply Gem, Simonton, Silver Line, Atrium, Prime Window Systems, Cascade, American Craftsman and Great Lakes Window. With seven decades of experience, the award-winning Simonton brand has grown to be known as a leader in the window replacement industry, they say, by producing exceptional products that are designed to enhance the appearance, security and comfort of any home.

Crystal Pacific Window & Door Systems

Headquartered In: New York
Number of Manufacturing Facilities: 4
Number of Distribution Facilities: 4
Primarily Manufactured In: N.Y., Pa., Calif., Ill.
Established in January 2012, Crystal Pacific is a member of the Crystal family of companies, including manufacturing facilities and subsidiaries in New York, Pennsylvania, Illinois and Missouri—all from a small start-up launched by Taiwanese immigrant Thomas Chen in 1990. Officials say the company has grown to become a top-50 window manufacturer in North America and is an award-winning maker of energy-efficient, quality vinyl and aluminum windows, and high-end fenestration systems for residential, commercial, and institutional buildings. The company produces doors and windows for replacement and new construction applications, as well as offers a wide variety of types, styles and options to suit any architectural design in the residential and commercial community throughout Southern California and beyond.

Crystal Window & Door Systems

Headquartered In: New York City
Number of Manufacturing Facilities: 5
Number of Distribution Facilities: 5
Primarily Manufactured In: New York, Chicago,
Scranton, Pa., Riverside, Calif.
Crystal Window & Door Systems and its subsidiaries manufacture 25 lines of energy efficient vinyl, aluminum and uPVC windows and doors for all types buildings. Suitable for both replacement and new construction, products are available nationwide. Vertically integrated, the company produces its own insulating glass units, as well as both vinyl and aluminum extrusions for its own products. The operation was launched as a modest entrepreneurial venture in 1990 in Queens, N.Y., and through successful growth and expansion, officials say it’s now among the largest window manufacturers in North America. Over the years, the company, its products and top executives have received numerous recognitions and awards.

Earthwise Group LLC

Headquartered In: Liberty Township, Ohio
Number of Manufacturing Facilities: 23
Number of Distribution Facilities: 37
Primarily Manufactured In: Nationwide
The Earthwise Group is a national network of 23 independently-owned door and window manufacturing companies, producing products in configurations that perform best in the geographic regions where they are designed to be installed. All Earthwise products are Energy Star certified and are backed by the Good Housekeeping seal. Officials say it is the only window manufacturer whose products have earned this distinction.

Gerkin Windows And Doors

Headquartered In: South Sioux City, Neb.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: South Sioux City
From the company’s inception in 1932, officials say its primary focus has been to manufacture energy saving door and window products. Throughout its history, the company has established itself as an innovator in the design and manufacturing of insulated products. Stringent product testing and innovative design have allowed Gerkin brand products to evolve as market
and consumer needs change. In the winter of 1989-90 the company began to conceptualize and design its Rhino Commercial Aluminum door and window series. To stay abreast of new performance demands and innovation, in 1993 it introduced the Comfort Series of vinyl windows and patio doors, which are designed to meet the demands of the the new construction and replacement markets.

Glass Rite

Headquartered In: Albuquerque, N.M.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: New Mexico
Glass Rite is a manufacturer of Energy Quest brand vinyl windows. The company also distributes Amsco, Jeld-Wen and Windsor brand products, specializing in retrofit products and accessories.

GlassCraft Door Company

Headquartered In: Houston
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Houston
Founded in 1977, GlassCraft Door Company has become one of the largest manufacturers of residential entry doors in the country. With a focus on value, the company offers a wide selection of unique door products that officials say are designed to stand out in quality and design, while maintaining affordability. GlassCraft’s teams of dedicated innovators, engineers, designers and master craftsmen have created a selection of the most beautiful hardwood, fiberglass and barn doors available, they suggest, with realistic wood grain finishes that look even more beautiful up close. According to company information, GlassCraft understands its customers and is focused on providing industry leading customer service and product warranties. The company holds 18 patents and industry awards for its innovation and environmental stewardship.

Harvey Windows + Doors

Headquartered In: Waltham, Mass.
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: 600+
Primarily Manufactured In: Londonderry, N.H.,
Dartmouth, Mass.
Since 1961, Harvey has helped contractors and builders deliver excellence to homeowners. “What really makes us different is how we stand behind our customers, with a dedicated team working tirelessly to earn their trust,” officials add. Each and every Harvey product is built to withstand the elements, from tough northern winters to scorching summers. The company partners with lumberyards and building supply stores to distribute its products to professional installers, including all operating styles of new construction and replacement doors and windows, with customization options available. Product lines span single family, multi-family, light commercial, remodeling and restoration.

Ideal Window Manufacturing

Headquartered In: Bayonne, N.J.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Bayonne
For over 95 years, Ideal Window has engineered, manufactured and shipped quality door and window products, company officials say. What began as a one-man storefront operation in 1924 went on to become a major force in the window industry. Today, the company employs over 100 people and continues to operate from Bayonne, N.J., distributing products across the Northeast region of the U.S. With numerous awards and accolades under its belt, officials say Ideal’s goal includes being a leader in design, manufacturing and marketing of vinyl replacement, new construction
windows and patio doors.

Inline Fiberglass Ltd.

Headquartered In: Toronto, Canada
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: 1
Primarily Manufactured In: Toronto
Inline Fiberglass Ltd. is a fully integrated, all fiberglass door and window manufacturer. As a result, officials say the company has the distinct advantage of controlling all aspects of design, production and quality. Beginning with the manufacturing of pultrusion lineals and painting, to design and final assembly, an experienced team has gained the reputation for producing the best fiberglass products in the marketplace, they suggest. The company’s products are designed to be durable, energy efficient and sustainable in both residential and commercial projects.

International Window Corp.

Headquartered In: California
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: 2
Primarily Manufactured In: Corona, Calif., Stockton
International Window is a privately-owned manufacturer with two facilities in California. The company services California, Arizona, Nevada, Oregon and Hawaii, but officials say they have the ability to ship anywhere in the world. The operation is part of a family of companies including aluminum extrusion divisions as well as screen manufacturers, which, according to company information, gives it an advantage regarding supply chain and quality. From builder series products for the moderately priced home, to the luxury home market and commercially rated windows, the company offers products across a full range of prices. With an in-house engineering staff, officials say they listen to dealers when it comes to the products needed.

Interstate Window & Door Co.

Headquartered In: Pittston, Pa.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 14
Primarily Manufactured In: Pittston
Interstate Window & Door is a family-owned business that started in 1938 as a building materials company in northeast Pennsylvania. In 1986 the company supplied vinyl windows for the Statue of Liberty restoration project and officials say it was the first in the U.S. to introduce an all-vinyl single hung window for the new construction market. Since that time, the company has expanded its lines to include not only vinyl doors and windows but a proprietary CompositWood line of products. Among its missions are to provide innovative, high quality exterior building materials at reasonable prices, while building enduring business relationships with each client based on mutual trust, integrity and respect.

Jeld-Wen Inc.

Headquartered In: Charlotte, N.C.
Number of Manufacturing Facilities: 40
Number of Distribution Facilities: 12
Primarily Manufactured In: Throughout U.S.
Headquartered in Charlotte, N.C., Jeld-Wen is a leading global manufacturer of high-performance interior and exterior building products. Officials say the company offers one of the broadest selections of windows, interior and exterior doors, and wall systems. The Jeld-Wen family of brands includes Jeld-Wen worldwide, LaCantina and VPI in North America, Swedoor and DANA in Europe, and Corinthian, Stegbar, and Breezway in Australia. Officials say the company delivers a differentiated customer experience, providing durable, energy-efficient products and labor-saving
services that help construction professionals maximize productivity and create beautiful, secure spaces for all to enjoy.

Kolbe Windows & Doors

Headquartered In: Wausau, Wis.
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: N/A
Primarily Manufactured In: Wausau
After 75 years in business, Kolbe Windows & Doors is best known for quality, custom craftsmanship and attention to detail. From expansive windows to detailed doors, officials say the company offers a range of innovative, high-performing products that enhance the design of both commercial and residential projects. Every product is made to order, with numerous opportunities for customization. With an ever-expanding product line-up, Kolbe offers more types of functionalities than ever before. Proudly made in the U.S., officials say the company’s products can be found in some of the most impressive homes and businesses  across North America, Canada, the Caribbean and beyond.

Kommerling USA

Headquartered In: Huntsville, Ala.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Huntsville
Based in Huntsville, Ala., Kommerling USA distributes vinyl door and window systems to dealers and manufacturing partners across the U.S. System 76 is a European style tilt-and-turn window offering impressive levels of energy efficiency. They have also been successfully hurricane-tested to the Florida Building Codes for use inside and outside HVHZ, as have its KomaDoor solution, a lift-and-slide  product that’s manufactured in the U.S. According to company information, both products offer outstanding performance and functionality credentials, helping also to maximize light and space.

Loewen Windows and Doors

Headquartered In: Steinbach, Manitoba, Canada
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 200
Primarily Manufactured In: Canada
Loewen is a leading manufacturer of premium doors and windows for the luxury architectural market in North America and abroad. In addition to proudly handcrafting enduring products that enhance beautiful architecture, they say the company is innovative and design-driven, producing technologically advanced products. Products are designed to be timeless, they say, whether that means being true to historical architecture or by creating a lasting contemporary design, and are built to perform through higher standards and authentic materials.


Headquartered In: Warroad, Minn.
Number of Manufacturing Facilities: 16
Number of Distribution Facilities: 0 (independents)
Primarily Manufactured In: Warroad and Fargo, N.D.
Marvin is a fourth-generation family-owned and operated business that’s headquartered in Warroad, Minn., employing more than 6,000 people across 16 cities in North America. The Marvin portfolio of products for builders, architects and homeowners includes an expansive collection of doors and windows and is designed to provide exceptional solutions for any project with a focus on creating better ways of living, officials say. Crafted with high-quality wood, fiberglass  and aluminum, the company’s products are distributed nationally through a network of independent dealers and are also exported internationally.


Headquartered In: Tampa, Fla.
Number of Manufacturing Facilities: Approximately 60
Number of Distribution Facilities: Approximately 60
Primarily Manufactured In: North America
Masonite is a leading designer, manufacturer, marketer and distributor of interior and exterior doors for the new construction, repair, renovation and remodeling sectors of the residential and non-residential building markets. Officials say when William H. Mason founded the company in 1925, he didn’t just change the industry; he created a new one. That spirit of innovation continues to thrive at Masonite today, they say, as the company develops “Doors That Do More.” Doors are designed to provide safety and security, added light and sound dampening, as well as more technology and style. According to officials, an extensive network of one- and two-step distribution partners are there to provide customers greater value and superior service.


Headquartered In: Concord, Ontario, Canada
Number of Manufacturing Facilities: 4
Number of Distribution Facilities: 1
Primarily Manufactured In: Canada
According to company officials, “MasterGrain is the wood grain fiberglass door your home deserves.” The company aims to provide premium engineering and long-lasting materials, coupled with a passion for “everything door,” from looks, to smooth operation, to longevity. The intricate detail of wood grain in fiberglass doors is described as “utterly lifelike.” The company is the proud creator and owner of nickel vapor deposition (NVD) technology, a unique, highly specialized process that’s used to replicate wood.

MI Windows and Doors, Milgard Windows & Doors, Sunrise Windows and Doors

Headquartered In: Gratz, Pa.
Number of Manufacturing Facilities: 10
Number of Distribution Facilities: N/A
Primarily Manufactured In: Throughout the U.S.
MI Windows and Doors is a residential window and patio door manufacturer that owns and operates three brands: MI Windows and Doors, Milgard Windows & Doors, and Sunrise Windows & Doors. Officials say the company is one of the nation’s largest suppliers of precision-built, energy efficient doors and windows. With more than 10 manufacturing plants located throughout the U.S., MI brands manufacture stylish, high-performance products for both new construction and replacement applications.

Monumental Windows and Doors

Headquartered In: Palm Desert, Calif.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Palm Desert, Calif.
As a custom door and window fabricator for nearly 40 years, Monumental builds thermally-broken aluminum fenestration. Company officials say they aim to build beautiful products for modern, resort-style homes. Among its latest offerings is the patent-pending Sublinear series, a European style, slim-frame, sliding door assembly with inverted (flush) sill, and 7/8-inch rails and stiles, including options for automation. Monumental uses thermal-strut technology, which officials say is fabricated in-house, to reduce lead times and increase energy efficiency. The company’s products are offered through a network of dealers specializing in products for custom, luxury homes.

NorthEast Windows USA Inc.

Headquartered In: Merrick, N.Y.
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: N/A
Primarily Manufactured In: Merrick
Family owned and in its fourth generation, NorthEast Windows USA is celebrating its 75th anniversary. Whether you’re searching for the perfect vinyl replacement or new construction window, officials say they’ve got you covered. The company can customize any of its products to meet any building application.

NT Window Inc.

Headquartered In: Fort Worth, Texas
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 30+ partners
Primarily Manufactured In: Fort Worth
With over 30 years in business, officials for NT Window say they’re proud to be a leading window manufacturer of aluminum and vinyl doors, windows and sunrooms, serving the replacement and new construction markets. The company is a second generation, family owned business with over three decades of experience in helping homeowners to make their homes more beautiful and energy efficient. According to company information, it offers standard and custom colors, and multiple glass and grid options. Products are distributed through more than 250 dealers, independent distributors and retailers throughout its service markets.

Pella Corp.

Headquartered In: Pella, Iowa
Number of Manufacturing Facilities: 17
Number of Distribution Facilities: Nationwide
Primarily Manufactured In: Throughout U.S.
Officials for Pella Corp. say their long-standing company is driven to innovate with purpose, create with passion and go beyond what meets the eye for customers. What started as a humble and hardworking business built on “solving problems for customers,” has grown into one of the most respected family-owned brands in the country, they suggest. Today, Pella Corp. continues to revolutionize the industry and now holds more than 150 product and design patents. The company offers wood, fiberglass and vinyl windows and doors, for homeowners with contemporary, traditional and classic design preferences. All products are available nationwide and come backed by a satisfaction guarantee. The company is headquartered in Pella, Iowa, and employs over 8,000 people with 17 manufacturing locations and more than 200 showrooms nationwide.

PGT Innovations

Headquartered In: Venice, Fla.
Number of Manufacturing Facilities: 7
Number of Distribution Facilities: 2
Primarily Manufactured In: Florida, Arizona, California
PGT Innovations manufactures and supplies premium aluminum and vinyl doors and windows. Officials say its highly engineered and technically advanced products can withstand some of the toughest weather conditions on earth and are revolutionizing the way people live by unifying indoor and outdoor living spaces. Headquartered in Venice, Fla., the company’s national footprint includes 15 facilities and a multichannel distribution/dealer platform with more than 5,000 employees. According to the company, for more than 40 years, it has created value “through deep customer relationships, understanding the unstated needs of the markets it serves, and a drive to develop category-defining products.” Officials say it’s also the nation’s largest manufacturer of impact-resistant products. The PGT Innovations family of brands includes CGI, PGT Custom Windows and Doors, WinDoor, Western Window Systems, Anlin Windows and Doors, Eze-Breeze, CGI Commercial, NewSouth Window Solutions, and a 75% ownership stake in Eco Window Systems.

Plastpro Inc.

Headquartered In: Los Angeles
Number of Manufacturing Facilities: 1
Number of Distribution Facilities:
Primarily Manufactured In: Ashtabula, Ohio
Plastpro is among the leading manufacturers of fiberglass entry doors and has been in business since 1994. The company is known for introducing several technologies with enhanced weather resistance, including the first fiberglass door with composite stiles and rails, HydroShield technology, and composite polyfiber (PF) frames. Officials say they believe in providing a superior product with the best value, technology and commitment to customers. Since the company’s inception, “we’ve not only been committed to providing superior products, but also in creating opportunities. Our goal is to create positive changes for not only our employees and customers, but also for our community,” officials say, including donating more than 500 doors to Habitat for Humanity and other non-profit organizations nationwide.


Headquartered In: Sugarcreek, Ohio
Number of Manufacturing Facilities: 6
Number of Distribution Facilities: 3
Primarily Manufactured In: Ohio, Mississippi
Officials for ProVia say the company’s name can be translated to “The Professional Way.” The Professional Way means the brand is held to a higher standard of integrity, accountability and quality, they suggest. As such, customers count on the brand to provide exceptional products and responsive service and support. All of the company’s products are “manufactured with precision, diligence and care,” they add. The company prides itself on offering not only quality, but a great variety of styles, finishes and colors, plus high levels of customization.

Quaker Windows & Doors

Headquartered In: Freeburg, Mo.
Number of Manufacturing Facilities: 3
Number of Distribution Facilities: 3
Primarily Manufactured In: Freeburg and Eldon, Mo.
After 70 years in the business, officials for Missouri-based Quaker Windows and Doors say their company offers the most comprehensive lineup of doors and windows in the industry. Along with a long-standing line of commercial and residential products, the company  debuted its new Quartz Collection in 2022—a curated suite of luxury products stylized for the architectural and custom home markets. According to company information, the Quartz Collection redefines modern luxury residential doors and windows, allowing architects and homeowners both contemporary and traditional styles that can be shaped and formed to meet their design needs and visions. The company is proud to be part of the Green Enrichment Initiative, officials say, with a focus on sustainable improvement, environmental stewardship and responsible manufacturing practices.


Headquartered In: Leesburg, Va.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 2
Primarily Manufactured In: U.S.
REHAU is known as a premium worldwide brand for polymer-based innovations and systems in construction, automotive and industry. With a product range that encompasses millwork solutions, mechanical systems and the building envelope, officials say the company is uniquely qualified to help building design teams optimize performance and enhance interior design. In the door and window industry, the company is recognized as a full-line supplier of high-performance uPVC products used in the renovation and new construction of residential and commercial buildings. To address the growing demand for larger windows, REHAU developed RAU-FIPRO, a glass-fiber reinforced PVC material that makes it possible to build 33% larger products without steel reinforcement.


Headquartered In: Egg Harbor Township, N.J.
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: 4
Primarily Manufactured In: Austintown, Ohio
Officials at RSL say their company was founded as a family business over 50 years ago. The founder, Bernd Lewkowitz, named the company after his children, Ron and Sharon, and worked diligently by reinvesting nearly all profits. According to company information, RSL was one of the first companies to supply exterior doors with doorglass and developed injection molded frames. In June of 2019, the company joined Novatech Group, a Canadian and European manufacturer of components for the door and window industry. RSL retained its name in the deal and now offers steel entry doors in addition to its extensive portfolio of doorglass products.

Seaway Manufacturing Corp.

Headquartered In: Erie, Pa.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Erie
Since 1959, officials say Seaway Manufacturing has produced premium products for the residential remodeling and construction industries. The company combines a long tradition of excellence with cutting-edge technology to produce premium vinyl windows, patio doors, and three-season and year-round sunrooms, they say. Serving customers through a network of dealers throughout the eastern U.S., the manufacturer offers windows in all form factors and in different price ranges, for replacement applications as well as new construction, and impact-rated windows as well. Officials say they’re proud to be a U.S.-based manufacturer and a part of northwest Pennsylvania’s long tradition of craftsmanship and engineering excellence.

Sierra Pacific Windows

Headquartered In: Red Bluff, Calif.
Number of Manufacturing Facilities: 4
Number of Distribution Facilities: 4
Primarily Manufactured In: Red Bluff, Medford, Wis.,
Merrill, Wis.
Sierra Pacific Windows makes a range of doors and windows for residential and commercial applications, including new construction, replacement and coastal. The company also offers innovations for load-bearing timber curtainwall systems and lift-and-slide technologies. “We’ll make just about anything you want and craft it with as much care and attention as if we were installing it in our own home,” company officials say. Those efforts are made possible by parent company Sierra Pacific Industries, which owns over two million acres of forestland in California, Oregon, and Washington State. This allows the company to insist on “sustained yield” forest management and timber harvesting. According to company information, Sierra Pacific is the only window company that maintains continuous quality control from the moment trees are planted to when windows are produced.

Signature Door Inc.

Headquartered In: Altoona, Pa.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Altoona
Signature Door manufactures high-quality, built-to-order entryways that can be customized to compliment any luxury home. With an extensive list of products and capabilities, including glass solutions, factory finishing, hurricane ratings, locking systems, pivot systems, bi-folding systems, and more, officials say the company is well equipped to meet your exterior door needs. For homes with covered entryways, traditional wood doors bring warmth and comfort to any architectural design. For entryways facing extreme weather conditions, a SureDoor product offers beauty and weather resistance backed by a 10-year warranty. With an extensive and ever-growing collection of millwork profiles at your disposal, Signature Door can help you pay homage to any historical style you wish to achieve.

Simpson Door Company

Headquartered In: McCleary, Wash.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 92 U.S.-based, 9
outside U.S.
Primarily Manufactured In: McCleary
With more than a century of experience in product innovation and industry-leading designs, officials say Simpson Door Company is a trusted source for impeccably crafted wood doors. Simpson’s vast line of interior and exterior products includes hundreds of standard options, from panel to French to decorative entry doors, with matching sidelights and transoms. Any Simpson door can be wholly customized by size, shape, wood species or glass lite type. Doors can be machined, pre-hung and prepared to accommodate a customer’s vision.

SoftLite Windows & Doors

Headquartered In: Streetsboro, Ohio
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Streetsboro
SoftLite Windows & Doors is part of Harvey Building Products Corp. The company manufactures premium vinyl replacement windows and officials say they pride themselves in offering high-quality, energy-efficient doors and windows. Since 1934, the company has worked to build a strong reputation and solid partnerships with its dealers, offering broad, option-rich product lines that excel with large-scale dealers. The company’s modern manufacturing plant includes 200,000 square feet of space on more than 20 acres of land, allowing it to manufacture over 300,000 doors and windows per year. SoftLite boasts seven different  product lines with unique features and more than 10,000 product options. They come standard with a lifetime, transferrable warranty.

Sun Windows and Doors

Headquartered In: Owensboro, Ky.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 1
Primarily Manufactured In: Owensboro
Sun Windows and Doors manufactures a comprehensive line of premium, extruded-aluminum-clad wood doors and windows. The company’s manufacturing heritage dates back to 1930. A new Patriot Series, includes an aluminum-clad vinyl system that allows unique color combinations such as black exteriors and black interiors. Officials say that’s just one example of the unique, custom boutique products and attributes offered in contemporary designs. Sun Windows and Doors is family-owned and debt-free, they say, investing over 80% of retained earnings back into the company annually. The company’s service area spans a 500-mile radius from its manufacturing facility in Owensboro, Ky.

Therma-Tru Doors

Headquartered In: Maumee, Ohio
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: 1
Primarily Manufactured In: Butler, Ind.
Officials for Therma-Tru say it was a bold innovation for the homebuilding market when the company introduced an entryway door that looked as beautiful as wood only more durable. You can expect that spirit to continue with what they describe as the leading entry door brand preferred by building professionals for fiberglass and steel exterior door systems. The company prides itself in attention to detail for styling, including glass innovations, which officials suggest have brought improved curb appeal and value to homes, along with comfort and security. As we’ve expanded our product offerings, we’ve also joined additional communities. Headquartered just outside of Toledo, Ohio, and with a new Innovation Center in Monclova, Ohio, the company’s selection of products is available throughout North America.


Headquartered In: Renton, Wash.
Number of Manufacturing Facilities: 4
Number of Distribution Facilities: 6
Primarily Manufactured In: Vietnam, China, Canada,
Since 1982, Trimlite has been committed to producing high quality interior and exterior door and glass products. Founded in Vancouver, British Columbia, the company operates manufacturing facilities in four countries with distribution locations across the U.S. and Canada. While the focus for manufacturing is on stile and rail interior doors and doorlites, the company also distributes fiberglass, molded and steel doors, making it a single source for interior and exterior door needs.

United Window & Door Mfg. Inc.

Headquartered In: Springfield, N.J.
Number of Manufacturing Facilities: 4
Number of Distribution Facilities: 2
Primarily Manufactured In: Springfield
Officials for United Window & Door say it is the largest and fastest growing regional manufacturer of vinyl door and window products in the U.S. The company is driven by a decades-long obsession with perfecting vinyl products and unbeatable support and service.

Vector Windows & Doors

Headquartered In: Fergus Falls, Minn.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: N/A
Primarily Manufactured In: Fergus Falls
Vector Windows & Doors provides high quality vinyl products with features homeowners want and the reliability and service builders depend on. Headquartered in Fergus Falls, Minn., officials say they understand the importance of crafting windows that stand up to the harshest weather conditions. With Vector, you’ll find energy efficient products that help achieve better results with quick delivery times, they suggest, as well as personalized service.

Vinyl Window Designs Ltd.

Headquartered In: Toronto, Ontario, Canada
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: N/A
Primarily Manufactured In: Toronto
Vinyl Window Designs (VWD) is one of Canada’s largest and most respected manufacturers of residential vinyl windows and patio doors. For more than 30 years, the company has built a solid reputation in the industry for providing quality products, excellent customer service and prompt delivery all at competitive prices. Officials say “What sets us apart from the rest is that we build them in-house. Our commitment to quality and efficiency is the reason why we handle almost every aspect of our product production in-house, from vinyl extrusion, to manufacturing and glass.” The company’s products are primarily built in its 200,000-sq.-ft. facility by a select team of experienced craftsman using state-of-the-art machinery and technology.

Waudena Entrance Systems

Headquartered In: Schofield, Wis.
Number of Manufacturing Facilities: 1
Number of Distribution Facilities: 19
Primarily Manufactured In: Schofield
Waudena Entrance Systems is an industry-leading, American-made manufacturer of premium steel, fiberglass, and wood entrance systems. For nearly 30 years, the company has built exterior doors in Schofield, Wis., focusing on quality, performance, security, and selection. Waudena offers a single-source solution for pre-hung, factory-finished exterior door systems. Officials say the company’s entrance system is designed with the installer in mind, incorporating everything needed into one complete package. Products range from new construction to remodel applications, including garage door frames, sliding patio doors, vinyl windows and more.

Weather Shield Windows & Doors

Headquartered In: Medford, Wis.
Number of Manufacturing Facilities: 5
Number of Distribution Facilities: 1
Primarily Manufactured In: Medford
Officials for Weather Shield say the company has been committed to making doors and windows “the best way we know how—by putting the wants of our customers first.” Today, they say, this philosophy remains the heart and soul of everything they do. The company looks to differentiate itself by focusing on innovative and flexible solutions, including an abundance of styles, shapes, sizes and options. Today, Weather Shield remains family-owned, with three generations actively involved in day-to-day operations. Based in Medford, Wis., products and services are offered nationwide, with more than 1,500 employees.

Windsor Windows & Doors

Headquartered In: West Des Moines, Iowa
Number of Manufacturing Facilities: 3
Number of Distribution Facilities: N/A
Primarily Manufactured In: Iowa and North Carolina
Windsor Windows & Doors began as a small operation in Des Moines, Iowa, in 1946. The company remained a regional wood window company until purchased by Woodgrain Millwork Inc. of Fruitland, Idaho, in 1987. Windsor’s products are now sold throughout North America. The company’s three manufacturing plants in Iowa occupy 500,000 square feet, accompanied by a separate 200,000-square-foot production facility in Monroe, N.C. Windsor manufactures five distinct product lines and a growing part of its business includes bi-fold and multi-slide patio doors. The manufacturer recently expanded into the window replacement market with Revive pocket windows. Officials say the goal includes being “easy to do business with” while providing the best value in the industry.


Headquartered In: Fruitland, Idaho
Number of Manufacturing Facilities: 2
Number of Distribution Facilities: 6
Primarily Manufactured In: Nampa, Idaho, Los
Angeles, Chile
Officials say Woodgrain is one of the world’s leading manufacturers and suppliers of hardwood and softwood stile and rail doors, and door components. Distributors, builders, remodelers, architects and homeowners rely on the company’s products to build quality homes, they add. The manufacturer remains committed to innovation through continuous improvements in processes, investment in design, excellence in craftsmanship, and use of the highest quality raw materials. The company has a rich history of more than 65 years, manufacturing over 10 species of stile and rail and thousands of combinations between the router carved and stile and rail door options.

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DWM Magazine

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