Top 100 Manufacturers of 2014: $300 Million to $500 Million

Associated Materials Inc.*


Product lines: Vinyl windows and doors; vinyl siding, fencing and other products
Brands: Alside, Alpine, Gentek and Revere
Headquarters: Cuyahoga Falls, Ohio
Manufacturing locations: Cuyahoga Falls, Ohio; Bothell, Wash.; Cedar Rapids, Iowa; Kinston, N.C.; London, Ontario; Yuma, Ariz.; West Salem, Ohio
Employees: 3,100
General information: Associated Materials sells its products on a wholesale basis to more than 50,000 independent contractors through a network of 125 supply centers and approximately 250 independent distributors across the U.S. and Canada, it reports. Associated Materials reported total sales of $1.16 billion and vinyl windows sales of approximately $397 million for its 2013 fiscal year.

Atrium Corp.


Product lines: Aluminum and vinyl windows and patio doors, impact-resistant windows and doors, acoustic windows, vinyl decking/railing products and patio enclosures
Headquarters: Dallas
Manufacturing locations: Dallas; Denver; Welcome, N.C.; Union Gap, Wash. Additional operations with dedicated distribution channels include Thermal Industries in Pittsburgh; Superior Windows & Doors in Ontario, Calif.; and North Star Windows & Doors in St. Tomas, Ontario.

Manufacturing operations at Atrium’s plant in Welcome, N.C. 

Employees: 3,000
General information: Reporting it is one of the largest manufacturers of residential vinyl and aluminum windows and patio doors in North America, Atrium operates multiple manufacturing facilities and distribution centers throughout the United States and Canada with a multi-channel distribution network. Atrium is owned by San Francisco-based Golden Gate Capital, which invested in the manufacturer as part of a restructuring process in 2010, and New York-based Kenner & Co. Inc.

Harvey Building Products

Harvey operates distribution facilities throughout New England, with many featuring showrooms highlighting its windows and doors, as well as building products from other manufacturers. 

Product lines: Vinyl, wood, and acoustical and storm windows; fiberglass and steel entry doors; patio doors; patio rooms; exterior building products including roofing, siding, decking and railing, millwork and skylights
Headquarters: Waltham, Mass.
Manufacturing locations: Londonderry, N.H., and Dartmouth, Mass.
Employees: 1,300
General information: A manufacturer and distributor, Harvey distributes a full line of wholesale building products throughout the Northeast, operating 33 branches and 14 product showrooms in nine states. Among the lines distributed by Harvey are vinyl siding, roofing, windows and doors, produced by such manufacturers as CertainTeed, Ply Gem/Mastic, Tamko, GAF, Therma-Tru, Andersen, Velux and Azek.

Masco Corp.*


Product lines: Aluminum, vinyl, and fiberglass windows and doors
Brands: Masco, Milgard
Headquarters: Taylor, Mich.
Manufacturing locations: Milgard operates manufacturing and service facilities in Tacoma, Wash.; Sacramento, Simi Valley and Temecula, Calif.; Tualatin, Ore.; Las Vegas; Denver; and Salt Lake City.
Employees: 3,000
New product introductions: Milgard expanded the market for moving glass walls in 2013 by making its line of three- and four-panel configurations available to a wider range of homeowners.
General information: Masco, which purchased Milgard in 2001, also owns three UK window manufacturers: Cambrian Windows Ltd., Premier Manufacturing Ltd. and Griffin Windows Ltd. The window operations, as well as other non-window business units, are part of Masco’s specialty products unit. With total 2012 sales of about $7.7 billion, Masco owns a variety of building product companies as well. It also operates Masco Contractor Services, which offers installation services to builders throughout the country, and WellHome, which provides energy efficiency upgrade services to homeowners.


MI Windows & Doors*

Product lines: Aluminum and vinyl windows and doors
Headquarters: Gratz, Pa.
Manufacturing locations: Arizona, Pennsylvania and Texas
Employees: 1,000

Final packaging of windows for shipment at an MI Windows & Doors plant 

Product lines: Aluminum and vinyl windows and doors
General information: Previously owned by J.T. Walker Industries, MI Windows & Doors was acquired by a management group, together with ShoreView Industries, a Minneapolis- based private equity firm, in early 2013. The vertically integrated manufacturer of vinyl and aluminum products continues to serve the new construction, replacement and light commercial markets nationwide. The company is also the licensed producer of CertainTeed branded windows for the United States.

Woodgrain Millwork Inc.*


Product lines: Wood and aluminum-clad windows and doors, cellular PVC windows, vinyl windows and doors, pine doors and mouldings
Brands: Woodgrain, Windsor Windows & Doors, Monarch Windows, Ashworth Doors
Headquarters: Fruitland, Idaho
Manufacturing locations: More than 29 manufacturing and warehouse facilities in the United States and South America
Employees: 5,000
Recent acquisitions: Woodgrain’s Windsor Windows & Doors acquired a mill in Lenoir, N.C., in 2012 that is scheduled to begin production this year.
General information: Woodgrain’s Windsor Windows & Doors operation is based in West Des Moines, Iowa, where it manufactures wood, vinyl, cellular vinyl and hybrid products, and employs more than 700 people. Windsor has two manufacturing facilities totaling 340,000 square feet in Iowa, and a second manufacturing facility in Monroe, N.C. Also part of Woodgrain’s window and door division are Ashworth Doors and Monarch Windows & Doors. The latter serves the Southeast from its 200,000-square-foot plant in Anniston, Ala.

Return to full Top 100 list.