| AIApac-central, Inc., Muskogee Asphalt | Muskogee | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACApac Central INC / Muskogee Asphalt 4030 | Muskogee | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACApac Central INC / Pawhuska Quarry and Asphalt 4055 | Pawhuska | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIApac-central INC Tulsa Gencor Asphalt 4053 | Tulsa | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIApac-central, Inc., Vinita Asphalt | Vinita | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACApac Central INC / Vinita Quarry and Asphalt 4054 | Vinita | OK | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| AKApac Ks INC Shears Div / Plant 424 | Guymon | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACApex Composites | Ada | OK | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| AMAptus Manufacturing I, LLC | Pryor | OK | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| AIAsc, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| AAAsco Aerospace USA LLC | Stillwater | OK | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
 Asphalt and Fuel Supply | Tulsa | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ 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 |
| AFAviagen Feed Processing Unit | Sallisaw | OK | Food Manufacturing311119 | — | ◇ 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 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 |
| BBBest Block - Tulsa Plant | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ 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 |
| BBBixby Batch Plant | Bixby | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ 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 |
| CCaptiveaire | Muskogee | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CICarbonyx INC / Carbonyx Alpha Plant R and D | Ardmore | OK | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCarefusion | Mannford | OK | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| CACargill Anml Nutrition - Guymon / 2500 N Hurliman Rd | Guymon | OK | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CCCarlisle Coatings A/waterproofing Mfg Pl | Sapulpa | OK | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CCCarlson Company | Tulsa | OK | Fabricated Metal Product Manufacturing332919 | — | ◇ 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 |
| CICentek INC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ 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 |
