| 3C3m CO - Springfield Facility | Springfield | 100–499 | ● ACTIVE |
Brewer Science INC | Rolla | 100–499 | ● ACTIVE |
Davis Paint CO | Kansas City | 20–99 | ● ACTIVE |
Eaglepicher Technologies LLC | Joplin | — | ● ACTIVE |
| ESElementis Specialties INC | Saint Louis | 20–99 | ● ACTIVE |
| KMKingsford Manufacturing CO Briquetting Plant | Belle | 100–499 | ● ACTIVE |
| MEMid-missouri Energy LLC | Malta Bend | 20–99 | ● ACTIVE |
| OSOmnium St.joseph | Saint Joseph | 100–499 | ● ACTIVE |
Sentio Biosciences LLC | Maryland Heights | 20–99 | ● ACTIVE |
| SMShow Me Ethanol, LLC | Carrollton | 20–99 | ● ACTIVE |
| SSSteris St. Louis | Saint Louis | 100–499 | ● ACTIVE |
| UPUS Polymers Accurez LLC | Saint Louis | 20–99 | ● ACTIVE |
| ASAcci Specialty Materials LLC | Harrisonville | 1–19 | ● ACTIVE |
Chemisphere Corporation | Saint Louis | — | ● ACTIVE |
| CUCurium US LLC | Maryland Heights | — | ● ACTIVE |
Elm Dirt LLC | Grandview | — | ● ACTIVE |
Foam Supplies, INC | Earth City | 20–99 | ● ACTIVE |
Gunther Salt Company | Saint Louis | — | ● ACTIVE |
Jost Chemical CO. | Saint Louis | 100–499 | ● ACTIVE |
Medix Biochemica Usa, INC. | Maryland Heights | — | ● ACTIVE |
| NINomax, INC | Saint Louis | 20–99 | ● ACTIVE |
R-biopharm, INC | Washington | — | ● ACTIVE |
Wexford Labs, INC. | Saint Louis | — | ● ACTIVE |
Amchar, INC. | Lone Jack | — | ● ACTIVE |
| BIBioMerieux Inc. | Hazelwood | 500+ | ● ACTIVE |
Custom Compounders, INC. | Arnold | — | ● ACTIVE |
Deployable Systems, LLC | Saint Louis | — | ● ACTIVE |
Dna Polymerase Technology INC | Saint Louis | — | ● ACTIVE |
Drake Diversified Holdings, INC. | Leeton | — | ● ACTIVE |
Ez Bioresearch LLC | Saint Louis | — | ● ACTIVE |
Fluid-air Products INC. | Saint Louis | — | ● ACTIVE |
| FHFusion Holdings, LLC | Saint Charles | — | ● ACTIVE |
Genus Medical Technologies LLC | Chesterfield | — | ● ACTIVE |
Gold Biotechnology INC | Saint Louis | — | ● ACTIVE |
Health and Wisdom INC. | Arcola | — | ● ACTIVE |
Industrial Repair Technology, INC. | Lees Summit | — | ● ACTIVE |
| ITIno Therapeutics LLC | Hazelwood | — | ● ACTIVE |
Intact Genomics INC | Saint Louis | — | ● ACTIVE |
Lake Products Company LLC | Florissant | — | ● ACTIVE |
| MHMallinckrodt Hospital Products INC. | Hazelwood | — | ● ACTIVE |
Meridian Medical Technologies, LLC | Saint Louis | — | ● ACTIVE |
Missouri Organic Recycling INC | Kansas City | — | ● ACTIVE |
Oz Arc/gas Equipment & Supply, INC. | Cape Girardeau | — | ● ACTIVE |
Perimeter Solutions Suppressants LLC | Clayton | — | ● ACTIVE |
Polyboron LLC | Columbia | — | ● ACTIVE |
| RMRegimed Medical | Saint Peters | — | ● ACTIVE |
St. Louis Composting, INC. | Valley Park | — | ● ACTIVE |
Stratatech Corporation | Hazelwood | — | ● ACTIVE |
Table Mountain Energy LLC | Columbia | — | ● ACTIVE |
| TCTnemec Company, INC. | Kansas City | — | ● ACTIVE |