| AKApac Ks INC Shears Div / Plant 424 | Guymon | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAsc, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| APAsphalt Plt Ap 9 | Stigler | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| APAsphalt Producers I/3101 N E 4th (new Pl | Oklahoma City | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AMAthenian Marble CORP / 7724 W Melrose Lane Athenian Marble | Oklahoma City | OK | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| AAAtlas Asphalt Products INC / Logan County Plant | Guthrie | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BHBaker Hughes Oilfield Operations INC / Bhi Mcoe | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| BCBalon CORP / Eastern Valve Mfg Facility | Oklahoma City | OK | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| BFBar-s Foods - Altus Plant | Altus | OK | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| BFBar-s Foods CO. - Clinton Plant | Clinton | OK | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| BMBayliner Marine CORP | Miami | OK | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| BPBeetle Plastics LLC / Ardmore Plant | Ardmore | OK | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BGBerry Global Films LLC / Tulsa Plant | Sapulpa | OK | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| BFBig Four Foundries CORP | Tulsa | OK | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BABison Asphalt LLC / Hot Mix Asphalt Plant 3 | Bartlesville | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BBBison Bluff Services | Catoosa | OK | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing, INC. - Okc | Oklahoma City | OK | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| BCBorg Compressed Steel CORP | Tulsa | OK | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| BIBremner Inc/bremner Poteau Faclt | Poteau | OK | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| CDCactus Drilling Company LLC / Okc Fabrication Yard | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| CMCadet Manufacturing INC / Cadet Truck Bodies | Chouteau | OK | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| CICameron Intl - Compression / Cameron Compression Systems | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| CACapital Aviation | Bethany | OK | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| CPCapitol Paint Manufacturing CORP | Oklahoma City | OK | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CICarbonyx INC / Carbonyx Alpha Plant R and D | Ardmore | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCarefusion | Mannford | OK | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| CCCarlisle Coatings A/waterproofing Mfg Pl | Sapulpa | OK | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CTCascades Tissue Group - Oklahoma (formerly Orchids Paper Products) | Pryor | OK | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| CSCdr Systems CORP | Waynoka | OK | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CDCeco Door Prods | Oklahoma City | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CCCentral Carbide LLC / Central Carbide LLC | Pryor | OK | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CTCentrilift Tulsa | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| CUCeral USA | Oklahoma City | OK | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CRCff Recycling USA / 100 N Bath | Oklahoma City | OK | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| CBChandler Batch Plant | Chandler | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPChevron Phillips Ch/cpcc Phillips Resear | Bartlesville | OK | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| CMChoctaw Manufacturing and Defense Contractors | Mcalester | OK | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| CMChoctaw Mfg and Dev CORP / Choctaw Metal and Goods Mfg Faclty | Hugo | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CDChromalloy Div Ok / 1720 National Blvd | Midwest City | OK | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| CACimarron Aircraft CORP / Airport Industrial Park | El Reno | OK | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| COClariant Oil Services | Clinton | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CRCommercial Resins | Tulsa | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CIContinental Industries | Tulsa | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CTCooling Tower Composites and Fabricatio / Chickasha Facility | Chickasha | OK | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCCornell Construction CO INC / Portable Asphalt Plant 3 Ptd 400 Cmi | Clinton | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCCrane Carrier CO / Truck Mfg Plant | Tulsa | OK | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Astec Portable Plant 2747 | Perkins | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Plant 2711 Durant | Durant | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Plant 2721 Enid | Enid | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCCummins Construction CO INC / Plant 2728 Hugo Sawyer | Sawyer | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
