| TWTotal Warehouse | Anaheim | CA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
 T/q Systems INC. | Anaheim | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TITravis Industries INC | Anaheim | CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TETri Enviormental Dba Precision Geosynthetics Laboratories Intl | Anaheim | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| TPTristar Plastics and Molding INC. | Anaheim | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TPTri-star Plastics & Molding INC | Anaheim | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TST S Spray | Anaheim | CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
 Twilight Technology INC | Anaheim | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| UDUnited Duralume Products, INC. | Anaheim | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| UAUniversal Alloy Corporation | Anaheim | CA | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| UDUniversal Dust Collector Mfg & Supply CORP Dba Udc Corporation | Anaheim | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| UMUniversal Molding Company INC. | Anaheim | CA | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| UFUniversity Frames INC | Anaheim | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| UUop | Anaheim | CA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| USUpton Sheet Metal, Inc. | Anaheim | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| VAValence Analytical | Anaheim | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| VTVal Trefz Printing Company | Anaheim | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| VMVenetian Marble | Anaheim | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| VFVilla Frontera Hoa | Anaheim | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| VSV System Composites | Anaheim | CA | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| WDWadina Distribution Company LLC | Anaheim | CA | Beverage and Tobacco Product Manufacturing312230 | — | ◇ UNVERIFIED |
| WRWages Rodeo Silversmith and Engravers | Anaheim | CA | Apparel Manufacturing315999 | — | ◇ UNVERIFIED |
| WFWasser Filtration Inc., Dba Pacific Pres | Anaheim | CA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| WCW C Richards Company | Anaheim | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| WCWeller-white Chem INC | Anaheim | CA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| WWWild West Lift Trucks | Anaheim | CA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| WWWild West Lift Trucks | Anaheim | CA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| WMWillard Marine INC | Anaheim | CA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| WEWinn Engineering | Anaheim | CA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| WBWng Bot Anaheim 406 LLC | Anaheim | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| WCWohler Chemical, LLC | Anaheim | CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 Wright Industries | Anaheim | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| Wright Industries | Anaheim | CA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| WLWright Lithography | Anaheim | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| XCXcel Coating, LLC | Anaheim | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| YMYeager Mfg CORP Dba Cummins Aerospace | Anaheim | CA | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| YDYoung Dong Chung | Anaheim | CA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| ZIZincnation INC | Anaheim | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
