| WNWaddington North America (dba Wna Holley) | Holley | NY | — | ◇ UNVERIFIED |
| WTWahlco-d.w. Tool INC. | Jackson | MO | — | ◇ UNVERIFIED |
| WPWalbert Plastics Incorporated | Lowell | MA | — | ◇ UNVERIFIED |
| WIWallside INC | Taylor | MI | — | ◇ UNVERIFIED |
| WOWal-mart Optical Labs 9271 | Dallas | TX | — | ◇ UNVERIFIED |
| WJWalter & Janet Pittman | Oxnard | CA | — | ◇ UNVERIFIED |
| WPWasley Products/precision Molding | Plainville | CT | — | ◇ UNVERIFIED |
| WRWaste Recovery West, LLC | West Sacramento | CA | — | ◇ UNVERIFIED |
| WCWatersaver CO INC | Commerce City | CO | — | ◇ UNVERIFIED |
| WPWatertown Plastics, INC | Watertown | CT | — | ◇ UNVERIFIED |
| WMWatson Marlow Fluid Technology Solutions | Devens | MA | — | ◇ UNVERIFIED |
| WRWaukesha Rubber CO INC | Ladd | IL | — | ◇ UNVERIFIED |
| WLWci LLC | North Salt Lake | UT | — | ◇ UNVERIFIED |
| WWWeathergard Window CO INC | Oak Park | MI | — | ◇ UNVERIFIED |
| WWWebby Washer, LLC | Cave Springs | AR | — | ◇ UNVERIFIED |
| WNWeidplas North America, LLC | Auburn | AL | — | ◇ UNVERIFIED |
| WWWeir Wales | Tucson | AZ | — | ◇ UNVERIFIED |
| WLWeistado LLC | Denver | CO | — | ◇ UNVERIFIED |
| WIWek Industries | Jefferson | OH | — | ◇ UNVERIFIED |
| WPWepco Plastics INC | Middlefield | CT | — | ◇ UNVERIFIED |
| WAWest American Rubber CO INC | Orange | CA | — | ◇ UNVERIFIED |
| WBWestech Building Products | Mount Vernon | IN | — | ◇ UNVERIFIED |
| WAWestern Architectural Services LLC | 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 | Kinston | NC | — | ◇ UNVERIFIED |
| WPWest Pharmaceutical Services | Lionville | PA | — | ◇ 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 |
| 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 |
| WOWide Open Company | Grand Rapids | MN | — | ◇ UNVERIFIED |
 Wiggins Plastics INC. | Nutley | NJ | — | ◇ UNVERIFIED |
| WFWilbert Funeral Services - Astral Molding & Finishing | Portland | IN | — | ◇ UNVERIFIED |
| WIWilbert INC | Lebanon | KY | — | ◇ UNVERIFIED |
| WIWilbert, INC. | Bellevue | OH | — | ◇ UNVERIFIED |
