| B & K Trim (Los Angeles, CA)
|
| B & L Windows & Doors (Warminster, PA)
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| B & M Trim Inc (Los Angeles, CA)
|
| B & S Window & Screen Mfg (Sherman, TX)
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| B Stowe Construction (Rosharon, TX)
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| Barton Kramer Inc (Miami, FL)
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| Bay City Window Co (Saint Petersburg, FL)
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| Bayform (Lakewood, WA)
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| Bej Enterprises (Fort Worth, TX)
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| Benada Aluminum of Minnesota (Minneapolis, MN)
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| Bergerson Cedar Windows Inc (Parker, AZ)
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| Best Line Doors Inc (Conyers, GA)
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| Best Moulding Corp (Albuquerque, NM)
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| Best Roll-Up-Door Corp (Santa Fe Springs, CA)
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| Big island Windows Inc (Kailua Kona, HI)
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| Bilco Co (West Haven, CT)
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| Biltbest Windows (Sainte Genevieve, MO)
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| Blomberg Window Systems (Sacramento, CA)
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| Blyth Shearn Co (Clairton, PA)
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| Bob Sheets Custom Shutters Inc (Lake Elsinore, CA)
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| Bommerscheim Window & Door (Otsego, MI)
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| Bon-Air Products (Verona, PA)
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| Bonelli Enterprises (South San Franci, CA)
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| Boomer Blinds & Shutters (Stroud, OK)
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| Boston Sash & Millwork (North Dighton, MA)
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