| CECimarron Energy INC / Newcastle Facility | Newcastle | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
 Clear Edge Filtration | Tulsa | OK | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| CLClw, LLC | Lawton | OK | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| DLDefi Laser Company LLC | Sapulpa | OK | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| DVD & V Manufacturing, INC. | Sand Springs | OK | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| EIExpress Integrated Technologies | Tulsa | OK | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| FRFalcon Rigs, INC. | Cashion | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FLFinishing Line Machining | Broken Arrow | OK | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| FMFlexrig Machinery Center | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FLFlogistix LP / Flogistix El Reno | El Reno | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| GMGarnesh Machinery | Oklahoma City | OK | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| GIGary's Industrial Machine, LLC | Valliant | OK | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| HMHe & M INC | Pryor | OK | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| HMH-v Manufacturing Company | Okmulgee | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HIHypro INC. | Vinita | OK | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| JIJak Industries LLC | Tulsa | OK | Machinery Manufacturing333997 | — | ◇ UNVERIFIED |
| JIJcr Industrial LLC | Tulsa | OK | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| KIKeco, INC. | Oklahoma City | OK | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MKMaster Kraft Tooling Corporation | Tulsa | OK | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| MMMaxx Machine, INC. | Oklahoma City | OK | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| MSMeridian Sheet Metal, INC. | Oklahoma City | OK | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MMMid-continent Millwork L.l.c. | Tulsa | OK | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| NONational Oilwell Varco, L.p. | Duncan | OK | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| NWNov Wilco | Marlow | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| OPO-tex Pumping, L.l.c. | Duncan | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| PMPhelps Machine & Fabrication, INC. | Ringling | OK | Machinery Manufacturing333513 | — | ◇ UNVERIFIED |
| PBPlan B Services and Solutions, LLC | Tulsa | OK | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| PRPollution Reduction Systems, INC. | Ardmore | OK | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| PIPRS, Inc. | Tulsa | OK | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| RTRandall's Temperture Control Specialist INC. | Yukon | OK | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| RKRay Kinnunen | Stillwater | OK | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| RDRed Devil, Incorporated | Tulsa | OK | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
 Reel Power International, INC. | Oklahoma City | OK | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| RFReplogle Farm Machinery Inc. | Coweta | OK | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| SKService King Manufacturing, INC. | Stroud | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SSShawn Sutton Shavings Inc | Antlers | OK | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| SISmdi, INC. | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SSSpecific Systems, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SRSucker Rod Mfg | Claremore | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TCTarget Completions LLC | Broken Arrow | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TITaylor Industries LLC | Erick | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TMTci Manufacturing & Equipment Sales, INC. | Pryor | OK | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| TATemtrol a Nortek Air Solutions Brand | Okarche | OK | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| TPTriangle Pump Components, INC | Oklahoma City | OK | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| TTTucker Techs INC | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TTylerDunkin | Woodward | OK | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| UCUnit Corporation | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VHVanessa House Beer Company | Oklahoma City | OK | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| WSWalter Snedeker, INC. | Chickasha | OK | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| WEWenco Energy Corporation | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
