| PLPaxman Logging Sawmill | Collins | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| PCPayless Concrete-atchison St | St. Joseph | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PCP C Plating | Fenton | MO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PCPenny's Concrete, INC. | Hamilton Mo | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PCPennys Concrete Incorporated | Randolph | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PCPenny's Concrete - Richmond | Richmond | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PSPennzoil-quaker State Company (dba Sopus Products) (no Longer Subject to Frp) | Maryland Heights | MO | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| PSPercy S Optical Plastics LLC | Linn Creek | MO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PKPermacel Kansas City Inc-kansas City | Kansas City | MO | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| PSPermacel St Louis Inc-permacel St Louis INC | St. Louis | MO | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| PSPetnet Solutions | St Louis | MO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PBPetrofskys Bakery Products-maryland Heights | Maryland Heights | MO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PQPharmacia Queeny Pilot Plant | Saint Louis | MO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PCPierce Concrete | Stanberry | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PCPike County Concrete | Louisiana | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PIPioneer Industrial Corporation | Saint Louis | MO | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| P6Plant 65 Ava | Ava | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| P8Plant 8 - Port-0441 - Garden City | Garden City | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PPlaypower | Monett | MO | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| PCPlz CORP | St Clair | MO | Food Manufacturing311225 | — | ◇ UNVERIFIED |
| PRPm Resources-purina Mills INC | Bridgeton | MO | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| PIPohlman Inc-pohlman INC | Chesterfield | MO | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| PRPolitte Ready Mix - Van Buren | Van Buren | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PSPolyad Services LLC | Earth City | MO | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| PCPolyone-specialty Compounds | Cape Girardeau | MO | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| PBPoplar Bluff Plant | Poplar Bluff | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PKPorta King Building Systems | Montgomery | MO | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| PIPositronic Industries Mt Vernon Facility | Mt Vernon | MO | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| PFPrairie Farms Hazelwood | Hazelwood | MO | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| PAPrecision Aero Services INC | Bolivar | MO | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| PMPrecision Marble-grandview | Grandview | MO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PQPrecision Quality INC | Lees Summit | MO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PSPrecision Stone Fabricators-union | Union | MO | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| PTPremier Turbines | Neosho | MO | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| PSPremium Standard Farms-princeton Feedmill | Princeton | MO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PRPress Room Equipment CO LLC | Springfield | MO | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| PIPrintpack INC Hazelwood Plant | Hazelwood | MO | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| PSProducer S Choice Soy Ene | Moberly | MO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| PCProduction Castings | Missouri | MO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| PPProfessional Pump | Brookfield | MO | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| PCProgressive Contractors, INC. | Poplar Bluff | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PFProsys Fill Webb City | Webb City | MO | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| PTPurcell Tire and Rubber Company | Potosi | MO | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| PMPurina Mills-purina Mills | Kansas City | MO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PPPurolator Products INC | Dexter | MO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| QLQc, Llc, a Verdesian Life Sciences Company | Cape Girardeau | MO | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| QIQ-pac INC. | Saint Joseph | MO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| QCQuality Custom Molding, LLC | Linn | MO | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| QFQuality Finishing Industries INC | Kansas City | MO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| QSQuality Sandblasting | Valley Park | MO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
