| CFCorteva Freeport Operations | Freeport | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CBCott Beverages San Antonio | San Antonio | TX | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| CRCoyote Ready Mix - Concrete Batch Plant 1 | Magnolia | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCpi Products Intl | Walburg | TX | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CSCpi - Stafford | Stafford | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| CPCrane Plant | Crane | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CBCsm Bakery Products | Dallas | TX | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CPCustom Pipe Coating Houston | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CSCynco Specialty | Stafford | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DADallas Airmotive Grapevine Rtc | Grapevine | TX | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| DCDallas Chemical Techs INC | Houston | TX | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| DFDallas Facility | Dallas | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DLDallas Love Field | Dallas | TX | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| DPDallas Plant | Dallas | TX | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| DPDallas Plastics Longview | Longview | TX | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| DWDallas Woodcraft CO LP | Dallas | TX | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| DCDal-tile CORP Dallas Manufacturing | Dallas | TX | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| DMDaniel Measurement and Control | Houston | TX | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| DPDavids Patio | Springtown | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DIDavis Iron Works Operations | Hewitt | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DUDeacero USA | Houston | TX | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| DFDecker Food Company | Garland | TX | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| DDDe Dietrich | Corpus Christi | TX | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| DLDe Leon Concrete Batch Plant | De Leon | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DMDel Monte Foods Crystal City Plant 250 | Crystal City | TX | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| DNDel Norte Masonry | El Paso | TX | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| DPDels Plating Works | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DRDelta Refractories | Lumberton | TX | Nonmetallic Mineral Product Manufacturing327124 | — | ◇ UNVERIFIED |
| DTDelta Tubular Processing | Channelview | TX | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| DPDenwil Plating INC | El Paso | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DTDeposition Technology | Austin | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DRDerichebourg Recycling USA | Houston | TX | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| DPDfb Pharmaceuticals | Brooks City Base | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| DCDiamond Coatings | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DFDiamond Fiberglass Houston Plant | Houston | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| DPDome Petrochemical Chambers Plant | Baytown | TX | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| DPDon-nan Pump and Supply | Temple | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DKDorf Ketal Energy Services | Midland | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DTDorian Tool CO | East Bernard | TX | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| DPDover Precision Components | Houston | TX | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| DHDow Haltermann Plant 2 | Channelview | TX | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| DTDownhole Technology | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DDDowntown Dallas Plant | Dallas | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DLDpt Laboratories | Brooks City Base | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| DPDragon Products | La Porte | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| DPDragon Products North Silsbee Facility | Silsbee | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DFDresser Flow Control | Stafford | TX | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| DSDrilling Specialties Company, Alamo Plant | Conroe | TX | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| DRD & R Metal Finishing | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DPDuco Pipe Manufacturing Facility | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
