| SLStableheat LLC | Saint Louis | — | ◐ LIKELY ACTIVE |
| SIStitch It International, INC. | Patton | — | ◐ LIKELY ACTIVE |
| SLSt. Louis Branch | Saint Louis | 1–19 | ◐ LIKELY ACTIVE |
| SMSukup Missouri Distribution Center | Cameron | 1–19 | ◐ LIKELY ACTIVE |
| SPSunnen Products CO | Saint Louis | — | ◐ LIKELY ACTIVE |
| TITarmac International, Inc | Lees Summit | 20–99 | ◐ LIKELY ACTIVE |
| TITetraPak Incorporated Sikeston | Sikeston | 1–19 | ◐ LIKELY ACTIVE |
| TPTexwrap Packaging Systems LLC | Washington | 20–99 | ◐ LIKELY ACTIVE |
| TKThermo King of Springfield | Springfield | 20–99 | ◐ LIKELY ACTIVE |
 The Toolroom Inc. | Owenville | 20–99 | ◐ LIKELY ACTIVE |
| TSTri State Equipment Company INC | Saint Louis | — | ◐ LIKELY ACTIVE |
| TWTri-state Welding & Equipment, INC. | Kahoka | — | ◐ LIKELY ACTIVE |
| ULUltrasource LLC | Kansas City | 100–499 | ◐ LIKELY ACTIVE |
| URUnited Refrigeration INC | Saint Charles | — | ◐ LIKELY ACTIVE |
| UTUS Tool- Boeing ACC STL | Hazelwood | 1–19 | ◐ LIKELY ACTIVE |
| UTUS Tool Group - Farmington | Farmington | 500+ | ◐ LIKELY ACTIVE |
| VEValenti Enterprises LLC | Kansas City | — | ◐ LIKELY ACTIVE |
| VDVelodyne Dynamics, LLC - Grain Valley | Grain Valley | 20–99 | ◐ LIKELY ACTIVE |
| VSVoltascribe Systems LLC | Columbia | — | ◐ LIKELY ACTIVE |
 Westar Display Technologies, Inc. | Saint Charles | 20–99 | ◐ LIKELY ACTIVE |
| WTWta Tool LLC | Grandview | — | ◐ LIKELY ACTIVE |
| ZBZumbiel Beverage Services LLC / Zumbev | Farmington | 20–99 | ◐ LIKELY ACTIVE |
| FIFormpak, INC. | Saint Louis | — | ◇ UNVERIFIED |
| KMKluhsman Machine Inc.* | Lockwood | — | ◇ UNVERIFIED |
| ACAc Component Specialists, INC. | Marshfield | — | ◇ UNVERIFIED |
| AGAllied Gear & Machine Co-research Blvd | Saint Louis | — | ◇ UNVERIFIED |
| ACAlsalor CORP. | Monett | — | ◇ UNVERIFIED |
| AAAmerican Access Industries and Services, Inc. | Grandview | — | ◇ UNVERIFIED |
| AMAspire Machine Tool | Union | — | ◇ UNVERIFIED |
| AIAutomated Ingredient Systems | Grandview | — | ◇ UNVERIFIED |
| ASAutomatic Systems, INC. | Clifton Hill | — | ◇ UNVERIFIED |
| BIBbc Industries, INC. | Pacific | — | ◇ UNVERIFIED |
| BTBellwether Technologies, LLC | O'Fallon | — | ◇ UNVERIFIED |
| BEBills Electric Motor Service | Saint Charles | — | ◇ UNVERIFIED |
| BPBranson Pattern Works | Hollister | — | ◇ UNVERIFIED |
| BSBriggs & Stratton Corporation | Poplar Bluff | — | ◇ UNVERIFIED |
| BBButler Brothers Redevelopment Corporation | Saint Louis | — | ◇ UNVERIFIED |
| CDCalta Design and Construction CO. | Saint Louis | — | ◇ UNVERIFIED |
| CMCamcorp Manufacturing | Willow Springs | — | ◇ UNVERIFIED |
| CCCentury Concrete INC. | Harrisonville | — | ◇ UNVERIFIED |
| CIConcorp INC. | North Kansas City | — | ◇ UNVERIFIED |
 Cost Effective Equipment LLC | Rolla | — | ◇ UNVERIFIED |
| CMCreation Machining LLC | Grandby | — | ◇ UNVERIFIED |
| CBCreative Blow Mold Tooling, LLC | Lees Summit | — | ◇ UNVERIFIED |
| CSCsc Serviceworks | Bridgeton | — | ◇ UNVERIFIED |
| CWCumley Welding & Skid Steer Services LLC | Weaubleau | — | ◇ UNVERIFIED |
 David B. Knight & Associates INC. | Cape Girardeau | — | ◇ UNVERIFIED |
| DPDavis & Pierce Die Services | Pleasant Valley | — | ◇ UNVERIFIED |
| DFDesigns for Tomorrow, INC. | Saint Louis | — | ◇ UNVERIFIED |
| DTDickerson Tool & Engineering LLC. | Chillicothe | — | ◇ UNVERIFIED |
