| ODOkmulgee Dc-pc | Okmulgee | OK | Beverage and Tobacco Product Manufacturing312111 | 20-99 | ◐ LIKELY ACTIVE |
| OCOSCO Controls | Okc | OK | Electrical Equipment, Appliance & Component Manufacturing335314 | 20-99 | ◐ LIKELY ACTIVE |
| OPOSO Perforating | Oklahoma City | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| OMOverland Materials & Manufacturing | Ardmore | OK | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| OSOzark Steel LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| OSOzark Steel LLC North | Tulsa | OK | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| PPPerformance Pipe - a Division of Chevron Phillips Chemical Company | Pryor | OK | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| P1Plant 1 & 4 - Tulsa | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| P1Plant 180 - Downtown | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| P2Plant 2 & 3 - Tulsa | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| P4Plant 40 - Siloam Springs | Colcord | OK | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PBPratt (Love Box), LLC | Tulsa | OK | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| PBPropak - Bartlesville, OK | Ochelata | OK | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| POPropak - Oklahoma City, OK RLC | Oklahoma City | OK | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| PFPT Foundry | Eind | OK | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| QHQMI Headquarters | Pryor | OK | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| RBRBC Bearings Oklahoma | Oklahoma City | OK | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| SOSchwarz Office | Yukon | OK | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SMScott Manufacturing Oklahoma | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327993 | 20-99 | ◐ LIKELY ACTIVE |
| SFSeaboard Foods LP Fmh - 5504 5704 Optima | Optima | OK | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| SOSemaSys OKC | Oklahoma City | OK | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| SSeminole | Seminole | OK | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| STServa Tulsa | Catoosa | OK | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
| SGSouthwestern Group Of Companies, Inc. | Oklahoma City | OK | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| SWSouthwestern Wire, Inc. Tulsa | Tulsa | OK | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| SLStar Lumber El Reno Truss | El Reno | OK | Wood Product Manufacturing321214 | 20-99 | ◐ LIKELY ACTIVE |
| SWStill Water Dc | Stillwater | OK | Beverage and Tobacco Product Manufacturing312111 | 20-99 | ◐ LIKELY ACTIVE |
| STSupplyOne Tulsa | Tulsa | OK | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| TWT.D. Williamson - Pipeline Pigging Division | Tulsa | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| TOTenaris Oklahoma Service Center | Amber | OK | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| TGTensar Geogrid Blackwell | Blackwell | OK | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| TPThe Pump & Motor Works, Inc. | Okmulgee | OK | Electrical Equipment, Appliance & Component Manufacturing335931 | 20-99 | ◐ LIKELY ACTIVE |
| TKThermo King of Tulsa, LLC | Tulsa | OK | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| TOTMCO Operating | Wewoka | OK | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| TPTranscontinental Packaging Tulsa | Catoosa | OK | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| TNTRIPAC North America LLC - Ardmore | Ardmore | OK | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| TGTrulite Glass & Aluminum Solutions | Tulsa, | OK | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| TGTrulite Glass & Aluminum Solutions | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| TMTULB - Midwest Block | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| TTulsa | Tulsa | OK | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| TTulsa | Collinsville | OK | Food Manufacturing311613 | 20-99 | ◐ LIKELY ACTIVE |
| TBTulsa Brick Plant | Tulsa | OK | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| TFTulsa Facility | Tulsa | OK | Food Manufacturing311221 | 20-99 | ◐ LIKELY ACTIVE |
| TLTulsa Levare US Inc | Tulsa | OK | Machinery Manufacturing333914 | 20-99 | ◐ LIKELY ACTIVE |
| TLTulsa Litho (CP Solutions) | Tulsa | OK | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| TMTulsa Millwork - BMD | Tulsa | OK | Wood Product Manufacturing321911 | 20-99 | ◐ LIKELY ACTIVE |
| TTTulsa - Tubes & Cores and Protective Sol - C319/A610 | Tulsa | OK | Paper Manufacturing322299 | 20-99 | ◐ LIKELY ACTIVE |
| TMTurbine Master Inc | Tahlequah | OK | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| USUFP Structural Packaging, LLC (428) | Shawnee | OK | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| UPUmicore PMC USA, llc | Catoosa | OK | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |