| WCWest Coast Frames LLC | Portland | OR | — | ◇ UNVERIFIED |
| WCWest Coast Glazing, INC. | West Sacramento | CA | — | ◇ UNVERIFIED |
| WCWest Coast Hydraulics & Repair | Atwater | CA | — | ◇ UNVERIFIED |
| WCWest Coast Industries | San Francisco | CA | — | ◇ UNVERIFIED |
| WCWest Coast Innovations | Redding | CA | — | ◇ UNVERIFIED |
| WCWest Coast Ironworks Inc | Federal Way | WA | — | ◇ UNVERIFIED |
| WCWest Coast Metalcrafts, INC. | Long Beach | CA | — | ◇ UNVERIFIED |
| WCWest Coast Metal Finishing | Los Angeles | CA | — | ◇ UNVERIFIED |
| WCWest Coast Metal Works | Hesperia | CA | — | ◇ UNVERIFIED |
| WCWest Coast Pipe Inspection Incorporated | Shafter | CA | — | ◇ UNVERIFIED |
| WCWest Coast Plating | Oceanside | CA | — | ◇ UNVERIFIED |
| WCWest Coast Plating INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| WPWestcoast Plating, INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| WCWest Coast Porcelain Industries INC | Corona | CA | — | ◇ UNVERIFIED |
| WCWest Coast Precision Equipment LLC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WCWest Coast Sandblasting INC | Long Beach | CA | — | ◇ UNVERIFIED |
| WSWestcoast Shutters of Fl. INC Dba Wind Shutters | Sarasota | FL | — | ◇ UNVERIFIED |
| WCWest Coast Spas | Woodburn | OR | — | ◇ UNVERIFIED |
| WCWest Coast Turf | Livingston | CA | — | ◇ UNVERIFIED |
| WWWestcoast Wood Workers | Vista | CA | — | ◇ UNVERIFIED |
| WSWestcoat Specialty Coatings Systems | San Diego | CA | — | ◇ UNVERIFIED |
| WIWestco Iron Works | Livermore | CA | — | ◇ UNVERIFIED |
| WIWestco Iron Works INC | Newman | CA | — | ◇ UNVERIFIED |
| WCWest - Conn Tool & Die, INC. | Stratford | CT | — | ◇ UNVERIFIED |
| WCWest Cost Centerless Grinding INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WBWestech Building Products | Mount Vernon | IN | — | ◇ UNVERIFIED |
| WEWest Edge Design | San Francisco | CA | — | ◇ UNVERIFIED |
| WEWest End Fabricators Incorporated | Richmond | VA | — | ◇ UNVERIFIED |
| WEWest End Food Mart | Raymond | IL | — | ◇ UNVERIFIED |
| WAWestern Architectural Iron CO | Chicago | IL | — | ◇ UNVERIFIED |
| WAWestern Architectural Services LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| WBWestern Baler & Conveyor, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| WCWestern Cascade Container LLC | Kelso | WA | — | ◇ UNVERIFIED |
| WCWestern Castings Company | Santa Clara | CA | — | ◇ UNVERIFIED |
| WCWestern Coating INC | Auburn | WA | — | ◇ UNVERIFIED |
| WCWestern Coating, INC. | Eugene | OR | — | ◇ UNVERIFIED |
| WCWestern Construction Components INC | Santee | CA | — | ◇ UNVERIFIED |
| WEWestern Enterprises | Riverside | CA | — | ◇ UNVERIFIED |
| WFWestern Fabrication & Equipment | Bakersfield | CA | — | ◇ UNVERIFIED |
| WFWestern Fabrication, LLC | Las Cruces | NM | — | ◇ UNVERIFIED |
| WFWestern Fabricators | Hesperia | CA | — | ◇ UNVERIFIED |
| WFWestern Falcon | Odessa | TX | — | ◇ UNVERIFIED |
| WFWestern Falcon | Houston | TX | — | ◇ UNVERIFIED |
| WFWestern Forge & Flange Company | Albany | CA | — | ◇ UNVERIFIED |
| WGWestern Golf Cart Mfg INC | Desert Hot Springs | CA | — | ◇ UNVERIFIED |
| WGWestern Group | Fort Worth | TX | — | ◇ UNVERIFIED |
| WGWestern Group | Portersville | PA | — | ◇ UNVERIFIED |
 Western Industrial Contractors | Aurora | CO | — | ◇ UNVERIFIED |
| WIWestern Integrated Material | Paramount | CA | — | ◇ UNVERIFIED |
| WIWestern Iron Enterprises | Las Vegas | NV | — | ◇ UNVERIFIED |
| WIWestern Ironmakers INC. | Orem | UT | — | ◇ UNVERIFIED |
| WLWestern Lion LTD Landfill | Mattoon | IL | — | ◇ UNVERIFIED |
| WMWestern Machine & Fab | Union City | CA | — | ◇ UNVERIFIED |
| WMWestern Maine Steel Inc | West Paris | ME | — | ◇ UNVERIFIED |
| WMWestern Manufacturing CORP. | Fresno | CA | — | ◇ UNVERIFIED |
| WMWestern Metal Decorating CO | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| WMWestern Metal Enterprises, INC. | Montebello | CA | — | ◇ UNVERIFIED |
| WMWestern Metal Fab INC | Lebanon | OR | — | ◇ UNVERIFIED |
| WMWestern Metals Recycling, LLC | Pueblo | CO | — | ◇ UNVERIFIED |
| WMWestern Mouldings | Upland | CA | — | ◇ UNVERIFIED |
| WNWestern New York Manufacturing | Buffalo | NY | — | ◇ UNVERIFIED |
| WPWestern Pacific Storage | South El Monte | CA | — | ◇ UNVERIFIED |
| WPWestern Pacific Storage Sys in | Monrovia | CA | — | ◇ UNVERIFIED |
| WPWestern Pacific Storage Systems | Paris | KY | — | ◇ UNVERIFIED |
| WPWestern Pacific Storage Systems, INC. | San Dimas | CA | — | ◇ UNVERIFIED |
| WPWestern Pipe Coaters and Engineers | Vineyard | UT | — | ◇ UNVERIFIED |
| WPWestern Pipe Service | Birmingham | AL | — | ◇ UNVERIFIED |
| WPWestern Plating Co., INC. | Owensboro | KY | — | ◇ UNVERIFIED |
| WPWestern Polyform CORP | Riverside | CA | — | ◇ UNVERIFIED |
| WPWestern Precision Manufacturing LLC | Grand Junction | CO | — | ◇ UNVERIFIED |
| WRWestern Rubber Products, INC. | Emmett | ID | — | ◇ UNVERIFIED |
| WRWestern Rubber & Supply | Livermore | CA | — | ◇ UNVERIFIED |
| WSWestern Sintering Company | Richland | WA | — | ◇ UNVERIFIED |
| WSWestern Skies Design Company | Cripple Creek | CO | — | ◇ UNVERIFIED |
| WSWestern Square Industries INC | Stockton | CA | — | ◇ UNVERIFIED |
| WSWestern Star Sandblasting CO. | Madera | CA | — | ◇ UNVERIFIED |
| WSWestern States Automation, LLC | Garden City | ID | — | ◇ UNVERIFIED |
| WSWESTERN STEEL & WIRE INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| WSWestern Steel Fabricators INC | Huntington Park | CA | — | ◇ UNVERIFIED |
| WTWestern Threaders, INC. | Bessemer | AL | — | ◇ UNVERIFIED |
| WUWestern Utility Telecom | Salem | OR | — | ◇ UNVERIFIED |
 Western Valve, INC. | Amarillo | TX | — | ◇ UNVERIFIED |
| WWWestern Welding & Iron Works, X.trieu Db | South El Monte | CA | — | ◇ UNVERIFIED |
| WWWestern Wire Rope INC | Eugene | OR | — | ◇ UNVERIFIED |
| WZWestern Zirconium | Ogden | UT | — | ◇ UNVERIFIED |
| WCWestfab Custom Fabrication, LLC | Worden | MT | — | ◇ UNVERIFIED |
| WFWest Falls Machine CO | East Aurora | NY | — | ◇ UNVERIFIED |
 Westfield Electroplating CO | Westfield | MA | — | ◇ UNVERIFIED |
| WGWestfield Gage CO INC | Southwick | MA | — | ◇ UNVERIFIED |
| WMWestfield Museum INC | Westfield | MA | — | ◇ UNVERIFIED |
| WPWestfield Plastics and Molding, LLC | Westfield | MA | — | ◇ UNVERIFIED |
| WAWestford Anodizing Corporation | Westford | MA | — | ◇ UNVERIFIED |
| WGWest Georgia Cornhole LLC | Winston | GA | — | ◇ UNVERIFIED |
| WHWest Homestead Engineering & Machine | Pittsburgh | PA | — | ◇ UNVERIFIED |
| WIWest Indies Valve and Machine Works Corporation | Penuelas | PR | — | ◇ UNVERIFIED |
| WEWestinghouse Electric:columbia | Columbia | SC | — | ◇ UNVERIFIED |
| WEWestinghouse Electric Company Llc- Zirconium Hafnium Production Plant | Ogden | UT | — | ◇ UNVERIFIED |
| WDWestlake Dmd, LLC | San Mateo | CA | — | ◇ UNVERIFIED |
| WMWestlake Metal Industries | Columbus | OH | — | ◇ UNVERIFIED |
| WPWestlake Plastics Co/mayfield | Mayfield | PA | — | ◇ UNVERIFIED |
