| NMNortex Metal Finishing | Garland | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NBNorth Basin Coating | Levelland | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| NHNorth Houston Plant | Fort Worth | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| NTNov Tuboscope Custom Coating Odessa | Odessa | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NMNrg Maintenance Services | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| OSOcean Spray Cranberries INC | Sulphur Springs | TX | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| OROconnor Ready Mix Plant 11 | San Antonio | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OBOdessa Brandt | Odessa | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| OIOfs International Houston Plant | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| OOhmstede | La Porte | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
 Oil City Iron Works INC | Corsicana | TX | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| OIOilfield-electric-marine INC | Houston | TX | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| OSOil States Industries | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| OSOil States Lampasas | Lampasas | TX | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| OPOna Polymers | Garland | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| OSO'neal Steel INC | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 Optek Technology, INC. | Carrollton | TX | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| OIOptiblend Industries, INC. | Midland | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| OOteco | Houston | TX | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| OEOxbow Energy Solutions | Texas City | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OLOzburn-hessey Logistics | Fort Worth | TX | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America - Waco Sheet Feed | Waco | TX | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PPPadgett Printing | Dallas | TX | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| PHPalm Harbor Homes | Burleson | TX | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| PHPalm Harbor Homes, INC. | Buda | TX | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| PVParadigm Valve Services | Deer Park | TX | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| PUParex USA | Cleburne | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PPParker-hannifin Parflex Division Texloc Operations | Fort Worth | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| PPPar Products | Wylie | TX | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| PCParylene Coating Services | Katy | TX | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PMPasadena Methanol Plant | Pasadena | TX | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| PPPasadena Paper CO LP | Pasadena | TX | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| PWPatterson Wood Products | Nacogdoches | TX | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| PSPcb Specialties | Irving | TX | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| PGPd Glycol Beaumont Plant | Beaumont | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| PFPeden Facility | Fort Worth | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PKPelletizer Knives | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PIPenatek Inds INC | Odessa | TX | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PBPepsi Bottling Group | Houston | TX | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| PCPepsi Cola Sales & Distribution | Grand Prairie | TX | Food Manufacturing311930 | — | ◇ UNVERIFIED |
| PIPerfection Industries INC | Terrell | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PCPerformance Contracting | Pasadena | TX | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| PPPerformance Plastic Produ | Houston | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| PFPermian Fiberglass Facility | Odessa | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| PIPgi International | Houston | TX | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| PDPhelps Dodge Magnet Wire | El Paso | TX | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| PIPhibro-tech INC | Garland | TX | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| PPPilgrims Pride Northeast Texas Complex Wwtp | Mount Pleasant | TX | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| P1Plant 12 | Pinehurst | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PIPlexmar Incorporated | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
