| CCCentaur Concrete Co-chesterfield | Chesterfield | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICobitco INC | Chesterfield | MO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| DADallas Airmotive INC | Chesterfield | MO | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| FIFindlay Industries Inc-chesterfield | Chesterfield | MO | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| ITInsituform Technologies LLC | Chesterfield | MO | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| MLMachine Laboratory LLC | Chesterfield | MO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MBMillstone Bangert Inc-chesterfield (mbi #6) | Chesterfield | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OCOrchard Corporation | Chesterfield | MO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PIPohlman Inc-pohlman INC | Chesterfield | MO | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| SSSmurfit Stone Container CORP | Chesterfield | MO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SLStonetrends, L.l.c. | Chesterfield | MO | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| RJR J Liebe Athletic Lettering Company | Chesterfield | MO | Miscellaneous Manufacturing339920 | 20-99 | ◇ UNVERIFIED |
| SLSt. Louis Component Repair & NDT, LLC | Chesterfield | MO | Transportation Equipment Manufacturing336412 | 1-19 | ◇ UNVERIFIED |
| TMTrend Manufacturing | Chesterfield | MO | Wood Product Manufacturing321920 | 20-99 | ◇ UNVERIFIED |
| VSVortex Surgical Inc | Chesterfield | MO | Miscellaneous Manufacturing339112 | 1-19 | ◇ UNVERIFIED |
| BDBBH Donuts Incorporated | Chesterfield | MO | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BTBoomerang Tube LLC | Chesterfield | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CDCommercial Document Solutions | Chesterfield | MO | Printing and Related Support Activities323114 | — | ◇ UNVERIFIED |
| CICritink Investments, LLC | Chesterfield | MO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CDCrown Diversified Industries Corporation | Chesterfield | MO | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| DDDE Design Works | Chesterfield | MO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| MMMetro Materials Inc-chesterfield | Chesterfield | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PCPace Construction Co-chesterfield | Chesterfield | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| QEQuickheet Energy & P | Chesterfield | MO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| RIRicon, INC. | Chesterfield | MO | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
| RCRiver City Litho INC. | Chesterfield | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SSteris | Chesterfield | MO | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| TATrottier Associates, LTD. | Chesterfield | MO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |