| WCWest Coast Gasket CO | Fullerton | CA | — | ◇ UNVERIFIED |
| WBWestech Building Products | Mount Vernon | IN | — | ◇ UNVERIFIED |
| WSWestech Seal INC | Odessa | TX | — | ◇ UNVERIFIED |
| WAWestern Architectural Services LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| WBWestern Baler & Conveyor, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| WFWestern Fiberglass - Salt Lake City Plant | Salt Lake City | UT | — | ◇ UNVERIFIED |
| WPWestern Polyform CORP | Riverside | CA | — | ◇ UNVERIFIED |
| WRWestern Rubber & Supply | Livermore | CA | — | ◇ UNVERIFIED |
| WPWestfield Plastics and Molding, LLC | Westfield | MA | — | ◇ UNVERIFIED |
| WPWestlake Plastics Co/mayfield | Mayfield | PA | — | ◇ UNVERIFIED |
| WRWestlake Royal Bldg Products Kutztown Fac | Kutztown | PA | — | ◇ UNVERIFIED |
| WRWestlake Royal Building Products Kleer | Westfield | MA | — | ◇ UNVERIFIED |
| WRWestlake Royal Windows - Baldwin Division Shipping Bld | Cornelia | GA | — | ◇ UNVERIFIED |
| WRWestlake Royal Windows (dba Krestmark Industries) | Dallas | TX | — | ◇ UNVERIFIED |
| WMWest Michigan Molding, INC. | Grand Haven | MI | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Lionville | PA | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Kinston | NC | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services of Florida | Clearwater | FL | — | ◇ UNVERIFIED |
| WTWest Tech. Structures LLC | West Valley City | UT | — | ◇ UNVERIFIED |
| WSWhale Scientific INC | Commerce City | CO | — | ◇ UNVERIFIED |
| WIWheeling Investments, Inc. | Payson | AZ | — | ◇ UNVERIFIED |
| WAWheels America | San Leandro | CA | — | ◇ UNVERIFIED |
| WNWheels Now Inc. | Waukesha | WI | — | ◇ UNVERIFIED |
| WDWhirley Drink Works | Warren | PA | — | ◇ UNVERIFIED |
| WIWhirley Ind Inc/harmar St | Warren | PA | — | ◇ UNVERIFIED |
| WIWhitefield Industrial Coating | Green Bay | WI | — | ◇ UNVERIFIED |
| WGWhite Graphic Systems | Grand Prairie | TX | — | ◇ UNVERIFIED |
| WOWhite Oak Partners | Portland | ME | — | ◇ UNVERIFIED |
| WSWhite Sands Pool Plastering, INC | Altamonte Springs | FL | — | ◇ UNVERIFIED |
| WWWhitewater Whirlpool Baths & Systems- Cultured Marble & Fiberglass Casting | Lindon | UT | — | ◇ UNVERIFIED |
| WTWholesale Tire Distributors | Pasadena | CA | — | ◇ UNVERIFIED |
| WTWholesale Tire Distributors | Fullerton | CA | — | ◇ UNVERIFIED |
| WOWide Open Company | Grand Rapids | MN | — | ◇ UNVERIFIED |
 Wiggins Plastics INC. | Nutley | NJ | — | ◇ UNVERIFIED |
| WPWikle Performance Specialties | Wichita | KS | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services - Astral Molding & Finishing | Portland | IN | — | ◇ UNVERIFIED |
| WIWilbert INC | Lebanon | KY | — | ◇ UNVERIFIED |
| WIWilbert, INC. | Harrisburg | NC | — | ◇ UNVERIFIED |
| WIWilbert, INC. | Bellevue | OH | — | ◇ UNVERIFIED |
| WIWilbert INC Dba Wilbert Plastic Services | Lebanon | KY | — | ◇ UNVERIFIED |
| WMWilco Molding | Maryland Heights | MO | — | ◇ UNVERIFIED |
| WPWilden Plastics | Peachtree City | GA | — | ◇ UNVERIFIED |
| WIWil-Kast, Inc | Grand rapids | MI | — | ◇ UNVERIFIED |
| WIWil-Kast, Inc. | Byron Center | MI | — | ◇ UNVERIFIED |
| WKWilliam Kreysler & Associates | Petaluma | CA | — | ◇ UNVERIFIED |
| WRWillis Rubber Company INC | Wadena | MN | — | ◇ UNVERIFIED |
| WFWilmington Fibre Specialty Company, INC. | New Castle | DE | — | ◇ UNVERIFIED |
| WIWilsonart International | Temple | TX | — | ◇ UNVERIFIED |
| WCWilson Composites LLC Pendleton Plt | Pendleton | SC | — | ◇ UNVERIFIED |
| WIWincup INC | Jacksonville | FL | — | ◇ UNVERIFIED |
