Top 100 Manufacturers of 2014: $200 Million to $300 Million

The Atis Group Inc.*


Product lines: Clad wood, wood, PVC and aluminum windows; steel and wood doors
Brands: LaFlamme, Solarcan, Melco, Vimat, Allsco, Vinylbilt
Headquarters: Longueuil, Quebec, Canada
Manufacturing locations: 10 plants across Canada with 800,000 square feet of production, warehouse and retail space

Window manufacturing operations at Vinylbilt, an Atis Group company based in Ontario. 

Employees: 1,400
General information: The Atis Group’s Eastern Canadian operations include Laflamme Doors & Windows, which operates a 120,000-square-foot plant in St. Appolinaire, Quebec, where it produces clad-wood windows and doors, all PVC windows and steel entry doors. Also based in Quebec are Solarcan, Melco and Vimat, which produce vinyl and aluminum products for both the residential and commercial markets. The Atis Group also owns Allsco Building Products, a window and door manufacturer based in Moncton, New Brunswick, as well as Vinylbilt Window Systems, based in Vaughan, Ontario. In Western Canada, Atis Group owns Phoenix Glass in British Columbia.

Builders FirstSource*


Product lines: Aluminum and vinyl windows; pre-hung interior and exterior doors
Headquarters: Dallas
Manufacturing locations: 47 manufacturing facilities operating in nine states in the Southern and Eastern United States
Employees: More than 3,000
General information: In addition to its window manufacturing plants, Builders FirstSource operates 19 millwork facilities, including pre-hanging operations for interior and exterior doors. The company also distributes windows, interior doors and exterior doors from other manufacturers.

Champion Window & Patio Room Co.*


Product lines: Vinyl replacement windows, vinyl siding, patio rooms and porch enclosures, steel and fiberglass prime doors, and sliding patio doors
Headquarters: Cincinnati, Ohio
Manufacturing locations: Cincinnati and Denver
Employees: 1,240
General information: Selling direct to the homeowner, Champion also operates more than 70 showrooms in 31 states.

Modern Builders Supply Inc.*


Product lines: Vinyl windows, wood windows, steel and fiberglass entry doors, shutters
Brands: MBS, Polaris
Headquarters: Toledo, Ohio
Manufacturing locations: Polaris—Boardman and Austintown, Ohio
Employees: 600
General information: MBS is a distributor of building materials, as well as a manufacturer of vinyl windows and patio doors, and steel and fiberglass entry doors, marketed under the Polaris Technologies name. With 28 branches in Ohio and its surrounding states, MBS distributes name-brand roofing, siding, windows and doors, kitchens, decking and other products.

Weather Shield Manufacturing


Product lines: Wood, fiberglass, and vinyl windows and patio doors; entry doors
Brands: Weather Shield, Visions, Crestline, Peachtree
Headquarters: Medford, Wis.
Employees: 1,500
New product introductions: Weather Shield recently introduced three new product lines: the Aspire Series of vinyl-clad wood windows and patio doors; the Signature Series of aluminum-clad wood windows and patio doors; and its architectural line, the Premium Series of aluminum clad wood windows and patio doors. All feature the company’s proprietary TriCore Frame Technology on casement windows and its Symmetry Balance System for double-hung windows for superior thermal performance and energy efficiency.
General information: Founded in 1955, the familyowned manufacturer markets wood, vinyl and fiberglass windows and patio doors under the brand names of Weather Shield, Visions and Crestline; and entry doors under the Peachtree brand name.

Return to the full Top 100 list.