| MSMerit Specialities-merit Specialities | Saint Louis | — | ◇ UNVERIFIED |
| MRMetal Recovery Sys INC | Saint Louis | — | ◇ UNVERIFIED |
| MSMicrobial Solutions LLC | Mexico | — | ◇ UNVERIFIED |
| MPMid-america Precision Products LLC | Joplin | — | ◇ UNVERIFIED |
| MHMidwest Hanger CO | Kansas City | — | ◇ UNVERIFIED |
| MHMidwest Hanger Company | Cameron | — | ◇ UNVERIFIED |
| MPMidwest Plating CO INC | Saint Louis | — | ◇ UNVERIFIED |
| MDMissouri Dry Dock & Repair CO | Cape Girardeau | — | ◇ UNVERIFIED |
| MFMissouri Forge, INC | Doniphan | — | ◇ UNVERIFIED |
| MSModern Screw Products - Modern Screw Products | Saint Louis | — | ◇ UNVERIFIED |
| MMMontgomery Metal Craft INC | Springfield | — | ◇ UNVERIFIED |
| MCMulti-craft Contractors INC | Springfield | — | ◇ UNVERIFIED |
| MPMvp Painting | Harrisonville | — | ◇ UNVERIFIED |
| NCNooter Corp-nooter CORP | Saint Louis | — | ◇ UNVERIFIED |
| NCNorthland Coating Solutions | Kearney | — | ◇ UNVERIFIED |
| OIOcci INC. Wwtp | Fulton | — | ◇ UNVERIFIED |
| OOrtech | Kirksville | — | ◇ UNVERIFIED |
| OSOtten Screw Products Co-otten Screw Products CO | Saint Louis | — | ◇ UNVERIFIED |
| OMOzark Mountain Concepts | Rogersville | — | ◇ UNVERIFIED |
| OSOzark Steel Fabricators INC | Farmington | — | ◇ UNVERIFIED |
| PWPalmyra Water Plant | Palmyra | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Sporlan Valve Div Plant 1 | Washington | — | ◇ UNVERIFIED |
| PHParker Hannifin Sporlan Div - Plant #2 | Washington | — | ◇ UNVERIFIED |
| PTPas Technologies INC | North Kansas City | — | ◇ UNVERIFIED |
| PSPathfinder Systems INC | Kansas City | — | ◇ UNVERIFIED |
| PCP C Plating | Fenton | — | ◇ UNVERIFIED |
| PIPohlman Inc-pohlman INC | Chesterfield | — | ◇ UNVERIFIED |
| PJPorite Jefferson Corporation | Jefferson City | — | ◇ UNVERIFIED |
| PQPrecision Quality INC | Lees Summit | — | ◇ UNVERIFIED |
| PRPress Room Equipment CO LLC | Springfield | — | ◇ UNVERIFIED |
| PPPurolator Products INC | Dexter | — | ◇ UNVERIFIED |
| QFQuality Finishing Industries INC | Kansas City | — | ◇ UNVERIFIED |
| QSQuality Sandblasting | Valley Park | — | ◇ UNVERIFIED |
| QCQualserv CORP - Kansas City Div | Kansas City | — | ◇ UNVERIFIED |
| RIRimco INC - Scrap Metal | Saint Louis | — | ◇ UNVERIFIED |
| RLRklep LLC Dba Ultra Clean Midwest | Saint Joseph | — | ◇ UNVERIFIED |
| RHRock Hill Mechanical Corporation - Macon | Macon | — | ◇ UNVERIFIED |
| RARoderick Arms & Tool CORP | Monett | — | ◇ UNVERIFIED |
| RERustique Enterprises INC | O Fallon | — | ◇ UNVERIFIED |
| SIScore, INC. | Pevely | — | ◇ UNVERIFIED |
| SCScroll Compressors LLC Emerson Climate Tech-warehouse | Lebanon | — | ◇ UNVERIFIED |
| SISemco Incorporated Chillicothe | Chillicothe | — | ◇ UNVERIFIED |
| SISibley Industries INC | Anderson | — | ◇ UNVERIFIED |
| SRSiegel Robert Plating-siegel Robert Plating | Saint Louis | — | ◇ UNVERIFIED |
| SCSilgan Containers Manufacturing CORP | Mount Vernon | — | ◇ UNVERIFIED |
| SESnyder Equipment a Division of New York Air Brake LLC | Springfield | — | ◇ UNVERIFIED |
| SVSouth Valley Mfg | Springfield | — | ◇ UNVERIFIED |
| SSS & S Metal Fabricators | Chamois | — | ◇ UNVERIFIED |
| SBStandley Batch Systems INC | Cape Girardeau | — | ◇ UNVERIFIED |
| SBStar Brite Plating-joplin | Joplin | — | ◇ UNVERIFIED |
