| SOSchwarz Office | Yukon, OK | Nonmetallic Mineral Product Manufacturing327320 | 20–99 | ◐ LIKELY ACTIVE |
| SDScissortail Distillery | Moore, OK | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SMScott Manufacturing Oklahoma | Oklahoma City, OK | Nonmetallic Mineral Product Manufacturing327993 | 20–99 | ◐ LIKELY ACTIVE |
| SOSemaSys OKC | Oklahoma City, OK | Machinery Manufacturing333248 | 20–99 | ◐ LIKELY ACTIVE |
| SGS & G Towing LLC | Oklahoma City, OK | Machinery Manufacturing333112 | — | ◐ LIKELY ACTIVE |
| SWShakespeare Wine Company | Chickasha, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSShi Sips Winery LLC | Moore, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSila Consulting Group LLC | Oklahoma City, OK | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
Smith + Nephew Inc. Oklahoma City | Oklahoma City, OK | Miscellaneous Manufacturing339112 | 100–499 | ◐ LIKELY ACTIVE |
| SSSooner Surfacing and Machine LLC | Oklahoma City, OK | Fabricated Metal Product Manufacturing332710 | — | ▲ REPORTED CLOSED |
| SGSouthwestern Group Of Companies, Inc. | Oklahoma City, OK | Printing and Related Support Activities323111 | 20–99 | ◐ LIKELY ACTIVE |
| SVSparks Vineyard & Winery | Sparks, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SISrlt INC | Meridian, OK | Petroleum and Coal Products Manufacturing324110 | — | ◐ LIKELY ACTIVE |
| SSS & S Foods, Inc. | Mustang, OK | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SIStarline INC | Oklahoma City, OK | Machinery Manufacturing333998 | — | ▲ REPORTED CLOSED |
| SLStar Lumber El Reno Truss | El Reno, OK | Wood Product Manufacturing321214 | 20–99 | ◐ LIKELY ACTIVE |
| SCStrebel Creek Vineyard | Oklahoma City, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| STSungjin Transformer INC | Oklahoma City, OK | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| SSSuperior Solutions Welding & Fabrication LLC | Oklahoma City, OK | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
| TOTaste of the Garden LLC | Oklahoma City, OK | Food Manufacturing311351 | — | ◐ LIKELY ACTIVE |
| TDTB Distillery | Oklahoma City, OK | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TPTennery Propane, Inc. D/B/A Hardtimes Real Beef Jerky | El Reno, OK | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| TCTerritory Cellars | Stroud, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TDThe Dunamis Group LLC | Yukon, OK | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| TGThe Grape Junction, LLC | Stroud, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TTThermaClime Technologies, Inc. | Oklahoma City, OK | Machinery Manufacturing333415 | 100–499 | ◐ LIKELY ACTIVE |
| TSTiger Sparks Electric LLC | Oklahoma City, OK | Electrical Equipment, Appliance & Component Manufacturing335132 | — | ◐ LIKELY ACTIVE |
| TSTres Suenos Vineyards and Winery | Luther, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TBTyler Broadcasting Corporation | Oklahoma City, OK | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| ULUncleSpookyPants LLC | Bethany, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| V6Variable 6 Solutions LLC | Newcastle, OK | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| VWVecinos Winery LLC | Yukon, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| VTVon Tungeln Equipment INC | El Reno, OK | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| VPVox Printing | Oklahoma City, OK | Printing and Related Support Activities323111 | 100–499 | ◐ LIKELY ACTIVE |
| VIVrtx Industrial CORP. | Edmond, OK | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| WDWanderFolk Distillery | Guthrie, OK | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| WMWashita Machine LLC | Chickasha, OK | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| WEWaters Edge Winery | Moore, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WEWaters Edge Winery - OKC | Oklahoma City, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WOWIC Oklahoma City Hattie Branch | Oklahoma City, OK | Wood Product Manufacturing321920 | 100–499 | ◐ LIKELY ACTIVE |
| WCWildhorse Canyon Farms, LLC | Luther, OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WDWoodworks Distilling Company | Oklahoma City, OK | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| WWww | Oklahoma City, OK | Machinery Manufacturing333318 | 100–499 | ◐ LIKELY ACTIVE |
| WIWynn-shield, INC. | Norman, OK | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| ZMZeco Machine Inc | Guthrie, OK | Fabricated Metal Product Manufacturing332721 | 20–99 | ◐ LIKELY ACTIVE |
| MMMidwest Medical Isotopes, L.l.c. | Oklahoma City, OK | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ADAmerican Directional Technology, INC. | Wayne, OK | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| CCCustom Cutting Millworks, INC. | Oklahoma City, OK | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| MSMark-k Specialized Manufacturing, INC. | Oklahoma City, OK | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| 2D2a Defense, LLC | Oklahoma City, OK | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |