| W. A. Wilson Glass |
Wheeling, West Virginia |
| W.F. Norman Corporation |
Nevada, Missouri |
| W.G. Tomko Inc. |
Finleyville, Pennsylvania |
| W.R. Kershaw Inc. |
Ormond Beach, Florida |
| W.R. Meadows Inc. |
Goodyear, Arizona |
| W.R. Meadows Inc. |
Cartersville, Georgia |
| W.R. Meadows Inc. |
Benicia, California |
| W.R. Meadows Inc. |
York, Pennsylvania |
| W.R. Meadows Inc. |
Pomona, California |
| W.R. Meadows Inc. |
Fort Worth, Texas |
| W.R. Meadows Inc. |
Hampshire, Illinois |
| Wabash Transformer Inc. |
Addison, Illinois |
| WAC Lighting |
Lithia Springs, Georgia |
| WAC Lighting |
Ontario, California |
| WAC Lighting |
Port Washington, New York |
| Wacker Chemie AG |
Chino, California |
| Wacker Chemie AG |
North Canton, Ohio |
| Wacker Chemie AG |
Adrian, Michigan |
| Wacker Chemie AG |
Calvert City, Kentucky |
| Wal-Rich Corporation |
Port Washington, New York |
| Wall Firma, Inc. |
Monongahela, Pennsylvania |
| Wallner Expac |
Kennesaw, Georgia |
| Wallner Expac |
Ontario, California |
| Wallner Expac |
El Paso, Texas |
| Wallside Windows |
Taylor, Michigan |
| Walsh Building Products |
Duluth, Minnesota |
| Waltec |
St. Thomas, Ontario |
| Walton & Company Inc. |
York, Pennsylvania |
| Wanessa-Sue, Inc. |
Kingman, Arizona |
| Wanhua Chemical Company Ltd. |
Newtown Square, Pennsylvania |
| Wanhua Chemical Company Ltd. |
Houston, Texas |
| Ward Manufacturing |
Blossburg, Pennsylvania |
| Warm Springs Composite Products |
Warm Springs, Oregon |
| Warmboard Inc. |
Aptos, California |
| Warren Controls Inc. |
Bethlehem, Pennsylvania |
| Warren Electric Corporation |
Warren, Rhode Island |
| Warren Technology |
Hialeah, Florida |
| Warrior Roofing Manufacturing |
Tuscaloosa, Alabama |
| Warrior Roofing Manufacturing |
Chambersburg, Pennsylvania |
| Warrior Roofing Manufacturing |
Monroe, Georgia |
| WASCO Windows |
Milwaukee, Wisconsin |
| Waska |
Clair, New Brunswick |
| Watco Manufacturing Company |
Independence, Missouri |
| Water Heating Technologies Corporation |
Pomona, California |
| Water Initiative LLC, The |
Norwalk, Connecticut |
| Water Initiative LLC, The |
McConnells, South Carolina |
| Water Matrix |
Woodbridge, Ontario |
| Water Pik |
Fort Collins, Colorado |
| Water Safety Corporation of America |
Reno, Nevada |
| Water Source LLC |
Mansfield, Ohio |