| UPUpton Plant | Weston County | WY | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| UCUrs Corporation | Casper | WY | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| VTVacuity Tech Corp | Cheyenne | WY | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| VMValley Meat Company: Septic S | Dayton | WY | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| VSValley Sheetmetal & fabrication LLC | Cheyenne | WY | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| VUViper Underground Mobile Crusher | Washakie | WY | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| VPVisual Products CORP. | Cheyenne | WY | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| WAWelding and Machine, INC. | Cheyenne | WY | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| WPWheatland Plant | Platte | WY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| WFWorland Factory | Washakie | WY | Food Manufacturing311313 | — | ◇ UNVERIFIED |
| WPWorland Plant #02 | Washakie | WY | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| WDWyoming Department of Environ | Cheyenne | WY | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| WFWyoming Fire Fabrication Inc/dba Downey Welding | Shoshoni | WY | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company | Casper | WY | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company: in | Gillette | WY | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| YTYellowstone Track Systems, LLC | Sheridan | WY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
