| OIOstara Inc. | St Louis | MO | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| OIOstara Inc. | Saint Louis | MO | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| PHPaulo - Headquarters | Saint Louis | MO | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PHPaulo - Headquarters | St. Louis | MO | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PFP.E. & F Inc. DBA DiMare's Specialty Foods | St Louis | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| PAPermalok A Northwest Pipe Company | St. Louis, | MO | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
| PSPiekutowski Sausage, LLC | St Louis | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| PPPremier Prosthetics and Orthotics, LLC | St. Louis | MO | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| PPPremier Prosthetics and Orthotics, LLC | Saint Louis | MO | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| PPPretium Packaging- Corporate Headquarters | St. Louis | MO | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
| PPPretium Packaging- Corporate Headquarters | Saint Louis | MO | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
| PGProcter & Gamble Manufacturing | Saint Louis | MO | Chemical Manufacturing325611 | 500+ | ◐ LIKELY ACTIVE |
| PGProcter & Gamble Manufacturing | St Louis | MO | Chemical Manufacturing325611 | 500+ | ◐ LIKELY ACTIVE |
| PBProdigious Brewing Company | St. Louis | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PSPropak - St. Louis, MO | Saint Louis | MO | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| PSPropak - St. Louis, MO | St. Louis | MO | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| QQuality | Saint Louis | MO | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| QQuality | St. Louis | MO | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| RRbpm | St. Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RRbpm | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RRRebhan R&W Meat Co. Inc. | St. Louis | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| RRReed Rubber Products | St. Louis | MO | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |
| RRReed Rubber Products | Saint Louis | MO | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |
| RBReliable Biopharmaceutical Corp. | St. Louis | MO | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| RBReliable Biopharmaceutical Corp. | Saint Louis | MO | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| SOSalumeria Oldani, LLC | St Louis | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SLSan Luigi Spirits LLC | St. Louis | MO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SMSchnuck Markets, Inc. SLNP | St. Louis | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SSemco | St. Louis | MO | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| SSemco | Saint Louis | MO | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| SBShared Brewing LLC | St. Louis | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSika Corporation | St. Louis | MO | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| SCSika Corporation | Saint Louis | MO | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| STSimply Thick LLC | St. Louis | MO | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| SISinzenard International Foods | St. Louis | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SISoulard Island Spirits | St. Louis | MO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SSSouth Side Machine Works, Inc. | St. Louis | MO | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SISpartech Innovations Center | Saint Louis | MO | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| SISpartech Innovations Center | St Louis | MO | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| SLSpecGx LLC | Saint Louis | MO | Chemical Manufacturing325411 | 500+ | ◐ LIKELY ACTIVE |
| SPStar Packing Co., Inc. | St Louis | MO | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| SEStatco-DSI Engineering Systems - St. Louis | St. Louis | MO | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| SEStatco-DSI Engineering Systems - St. Louis | Saint Louis | MO | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| SBSTL Broadway | St. Louis | MO | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| SBSTL Broadway | Saint Louis | MO | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| SCSTL Cherokee | Saint Louis | MO | Chemical Manufacturing325199 | 500+ | ◐ LIKELY ACTIVE |
| SCSTL Cherokee | St. Louis | MO | Chemical Manufacturing325199 | 500+ | ◐ LIKELY ACTIVE |
| SDSTL Dekalb | Saint Louis | MO | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| SDSTL Dekalb | St. Louis | MO | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| SESTL Ewing | Saint Louis | MO | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |