| UEUSA Environment | Pasadena | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| UAU.s. Army Longhorn Army Ammunition Plant | Karnack | TX | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| UCU.s. Coast Guard Base Galveston | Galveston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UDUS Department of the Air Force | San Antonio | TX | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| UIUsg Interiors INC | Corsicana | TX | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| UOU.s. Oil Recovery | Pasadena | TX | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| USU S Steel Oilwell Services Wheeling Machine Produc | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| UIUtex Industries | Conroe | TX | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| VTValerian Technologies Dba Signature Cards | Richardson | TX | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| VCValero Corner Store 2351 | Sweeny | TX | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| VPValero Partners Three Rivers | Three Rivers | TX | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| VTVallourec Tube Alloy | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VUVam USA Miller Rd | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VDVan Der Horst USA Corporation | Terrell | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| VMVanguard Metal Technologies | Houston | TX | Fabricated Metal Product Manufacturing332810 | — | ◇ UNVERIFIED |
| VIVarn International, INC. | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| VWVeolia Water North America Operating Services | Houston | TX | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| VCVessel Cleaning | Port Arthur | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| VUVesuvius USA -tyler Plant | Tyler | TX | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| VPViking Pools LLC Midland Facility | Midland | TX | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| VKVirginia Kmp Corporation | Dallas | TX | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| VEVital Earth Resources | Big Sandy | TX | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| VTVoestalpine Texas LLC | Portland | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| VPVoluntary Purchasing Group | Bonham | TX | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| VFVossloh Fastening Systems | Mc Gregor | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| VFVpg Fertilizer Plant | Bonham | TX | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| VVytron | Terrell | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| WPWaco Pit 174 | Waco | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WWWalker Wood Preserving INC | Livingston | TX | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| WEWare Electroplating CO | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WCWaste Chemical Center | Dallas | TX | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| WMWaste Management - Fairbanks Landfill | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| WMWastequip Manufacturing | Beeville | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| WHWatts Heating and Hot Water Solutions LLC | Fort Worth | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| WEWaukesha Electric High Voltage Supply | Dallas | TX | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◇ UNVERIFIED |
| WIWaukesha-pearce Industries INC | Kilgore | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| WAWeatherford Artifical Lift Systems | Longview | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| WAWeatherford Artificial Lift Systems | Longview | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| WAWeatherford Artificial Lift Systems Katy | Katy | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| WBWeatherford Baird Ct | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| WWWeatherford Well Screen | Houston | TX | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| WWeathermatic | Garland | TX | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| WAWeber Aircraft | Gainesville | TX | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| WLWellington Leisure Prods INC | Wichita Falls | TX | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| WIWellmark International | Dallas | TX | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| WMWendland Manufacturing | San Angelo | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| WVWesco Valve | Marshall | TX | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| WHWeslaco Holding Company LLC | Weslaco | TX | Fabricated Metal Product Manufacturing332112 | — | ◇ UNVERIFIED |
| WLWestern Lithotech | Jacksonville | TX | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| WOWestern of Texas Forge & Flange | Kountze | TX | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
