| GIGray Iron Fndry | Blackwell | OK | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| GCGreenhill Concrete Products, INC. | Owasso | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services, INC. | Duncan | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHeat Exchanger Faclty Galvanizing Plt | Catoosa | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HFHi-pro Feeds Llc-cheyenne | Cheyenne | OK | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| HFHoffman Fixtures CO | Tulsa | OK | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| IEInternational Envir CORP / Air Conditioning Manufacturing Plant | Oklahoma City | OK | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| ICIochem Corporation | Vici | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| LELinde Engineering North America, LLC | Catoosa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| MSMatrix Service Fabrication Div | Catoosa | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MCMid Continent Concrete CO / 431 W 23rd St Tulsa Facility | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MBMidtown Batch Plant | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MBMoore Batch Plant | Moore | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| NONational Oilwell Varco/tulsa Multiplex | Tulsa | OK | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| NLNeofab, LLC | Miami | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NPNestle Purina Petcare | Edmond | OK | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| NINordam I&s Div | Tulsa | OK | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| NSNorris Sucker Rods / 4801 W 49th St Norris Sucker Rod Faclt | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| OCOcv Control Valves / 7400 E 42nd Pl Paint Booth | Tulsa | OK | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| OIOk Ind INC /heavener Feed Mill | Heavener | OK | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| OIOklahoma Investment Casting CO | Blackwell | OK | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| OSOklahoma Steel & Wire Co., INC. | Madill | OK | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| OCOwens Corning Roofing and Asphalt LLC / 3400 Ne 4th St Asphalt Plant | Oklahoma City | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PBPiedmont Batch Plant | Piedmont | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PCPonca City Metal Products Faclty | Ponca City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| PMPrecise Machining & Manufacturing LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PPPrecision Parts & Remanufacturing Company | Oklahoma City | OK | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| PFPrestage Farms of Oklahoma LLC / Texhoma Feed Mill | Texhoma | OK | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PCPt Central Machine and Tool Company | Enid | OK | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
 Quality Plating of Tulsa INC / 2665 N Darlington | Tulsa | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RCRainbow Concrete CO / Rainbow Concrete | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SBSchlumberger Bartlesville Product Center | Bartlesville | OK | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| SFSimmons Foods INC - Fairland Feedmill / Fairland Feed Mill | Fairland | OK | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| SDSintertec Div of Bpi INC - Muskogee Cnty Plant | Muskogee | OK | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| SASlw Automotive INC / Sallisaw Plt | Sallisaw | OK | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| SNSouth Norman Batch Plant | Norman | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SWSouthwestern Wire, INC. | Norman | OK | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| SGSpecialty Gas Mfg Plt | Catoosa | OK | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| SRStillwater Ready Mix INC / Concrete Batch Plant | Stillwater | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TWTd Williamson INC / 6801 S 65th W Ave | Sapulpa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TCThe Crucible LLC | Norman | OK | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| TPThe Pork Group INC / Holdenville Feed Mill | Holdenville | OK | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| TFTonkawa Foundry INC / Tonkawa Foundry | Tonkawa | OK | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| TGTulsa Glass Plt | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| UEUnited Engines, LLC | Oklahoma City | OK | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| VCValmont Coatings Oklahoma Galvanizing | Claremore | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| VNValmont Newmark | Tulsa | OK | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| VBVance Brothers INC | Oklahoma City | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| VPVault Pressure Control Shawnee | Shawnee | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
 Webco Industries, INC. Mannford Specialty Tube | Mannford | OK | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
