| MLMastermold LLC | Johnson Creek | WI | — | ◇ UNVERIFIED |
| MPMaster Paints & Chemicals CORP | Guayanilla | PR | — | ◇ UNVERIFIED |
| MCMasters CO INC. | Wood Dale | IL | — | ◇ UNVERIFIED |
| MCMax Chemical INC | Rio Piedras | PR | — | ◇ UNVERIFIED |
| MPMccormick Paint Works CO | Frederick | MD | — | ◇ UNVERIFIED |
| MFMckinney Facility | Mckinney | TX | — | ◇ UNVERIFIED |
| MAMedallic Art CO. LTD. | Dayton | NV | — | ◇ UNVERIFIED |
| MPMercury Paint Corporation | Brooklyn | NY | — | ◇ UNVERIFIED |
| MUMerisol USA LLC | Winnie | TX | — | ◇ UNVERIFIED |
| MMMesa Marble & Stone CO INC (dba Marble-craft) | Bryan | TX | — | ◇ UNVERIFIED |
| MCMetal Chem INC | Greenville | SC | — | ◇ UNVERIFIED |
| MCMexichem Chloro-vinyl - Avon Lake Facility | Avon Lake | OH | — | ◇ UNVERIFIED |
| MSMexichem Specialty Compounds, INC. | Pineville | NC | — | ◇ UNVERIFIED |
| MCMica CORP | Shelton | CT | — | ◇ UNVERIFIED |
 Michelman, INC. | Sharonville | OH | — | ◇ UNVERIFIED |
| MCMichlin Chemical CORP | Detroit | MI | — | ◇ UNVERIFIED |
| MCMilamar Coatings LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| MCMiles Chemical CO INC | Anaheim | CA | — | ◇ UNVERIFIED |
| MCMiles Chemical Company, INC. | Arleta | CA | — | ◇ UNVERIFIED |
| MLM-i LLC | Broussard | LA | — | ◇ UNVERIFIED |
| MWMiller Waste Mills Dba Rtp Company | Winona | MN | — | ◇ UNVERIFIED |
| MPMineral Processing (0388000025) | Crawford Twp. | OH | — | ◇ UNVERIFIED |
| MIMinuteman International Multi-clean Div | Shoreview | MN | — | ◇ UNVERIFIED |
| MSMobile Solvent & Supply | Eight Mile | AL | — | ◇ UNVERIFIED |
| MRModern Recreational Technologies INC (formerly Kop Coat Marine Inc) | Rockaway | NJ | — | ◇ UNVERIFIED |
| MCMonsanto Company | Martinez | CA | — | ◇ UNVERIFIED |
| MFMosaic Fertilizer LLC | Mulberry | FL | — | ◇ UNVERIFIED |
| MIMozel INC | Columbia | IL | — | ◇ UNVERIFIED |
| MGMulti-chem Group | Sonora | TX | — | ◇ UNVERIFIED |
| MGMulti-chem Group Maurice La Facility | Maurice | LA | — | ◇ UNVERIFIED |
| MGMulti-chem Group Roosevelt Ut Facility | Roosevelt | UT | — | ◇ UNVERIFIED |
| MGMulti-chem Group Three Rivers Facility | Three Rivers | TX | — | ◇ UNVERIFIED |
| MEMxi Environmental Services LLC | Abingdon | VA | — | ◇ UNVERIFIED |
| NVNalco Vancouver Plant | Vancouver | WA | — | ◇ UNVERIFIED |
| NTNanochem Technologies | Elkhart | IN | — | ◇ UNVERIFIED |
| NCNational Coatings INC | Galesburg | IL | — | ◇ UNVERIFIED |
| NCNational Controls CORP | West Chicago | IL | — | ◇ UNVERIFIED |
| NPNational Polymers INC | Charleroi | PA | — | ◇ UNVERIFIED |
| NINcoc INC (national Chemical & Oil CORP ) | Oak Park | MI | — | ◇ UNVERIFIED |
| NPNelson Paint CO of Michigan | Kingsford | MI | — | ◇ UNVERIFIED |
| NBNew Berlin Facility | New Berlin | NY | — | ◇ UNVERIFIED |
| NLNewport Laminates | Santa Ana | CA | — | ◇ UNVERIFIED |
| NSNexeo Solutions LLC Fairfield | Fairfield | CA | — | ◇ UNVERIFIED |
| NSNext-gen Supply Group INC | Mansfield | MA | — | ◇ UNVERIFIED |
| NMNof Metal Coatings North America INC | Chardon | OH | — | ◇ UNVERIFIED |
| NMNon Metallic Resources INC | Mobile | AL | — | ◇ UNVERIFIED |
| NFNorman Fox & CO | Industry | CA | — | ◇ UNVERIFIED |
| NANorth Amer Hoganas/johnstown Plt | Johnstown | PA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems | Brigham City | UT | — | ◇ UNVERIFIED |
| NINox-crete, INC. | Omaha | NE | — | ◇ UNVERIFIED |
| NANpa Automotive Finishes & Films | Cleveland | OH | — | ◇ UNVERIFIED |
| NSNupla - South | Meridian | MS | — | ◇ UNVERIFIED |
| OCOccidental Chemical CORP - Luling | Luling | LA | — | ◇ UNVERIFIED |
| OSOil Spill - Summer Shade Plant | Summer Shade | KY | — | ◇ UNVERIFIED |
| OBOmg Building Products LLC | Rockford | MN | — | ◇ UNVERIFIED |
| OEOmg Electronic Chemicals INC | Maple Plain | MN | — | ◇ UNVERIFIED |
| OIOptiblend Industries-cambridge | Cambridge | OH | — | ◇ UNVERIFIED |
| OIOptiblend Industries Inc-miles City | Miles City | MT | — | ◇ UNVERIFIED |
| OCOrg Chem Group LLC | Evansville | IN | — | ◇ UNVERIFIED |
| OSOrlandi Statuary | Chicago | IL | — | ◇ UNVERIFIED |
| OMOzark Materials, LLC | Marion | IN | — | ◇ UNVERIFIED |
| OMOzark Materials, Llc, an Ingevity Company | Childress | TX | — | ◇ UNVERIFIED |
| PMPaint Mfg | Carrollton | TX | — | ◇ UNVERIFIED |
| PIPalmetto Imaging Technology | Winnsboro | SC | — | ◇ UNVERIFIED |
| PCParamelt CORP | Rosemead | CA | — | ◇ UNVERIFIED |
| PPPeerless Products | Fort Scott | KS | — | ◇ UNVERIFIED |
| PPemco | Leesburg | AL | — | ◇ UNVERIFIED |
| PCPetrolite CORP Bakersfield Blend Plant | Bakersfield | CA | — | ◇ UNVERIFIED |
| PIPfi INC Paints for Industry | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PCPico Chemical CORP | Chicago Heights | IL | — | ◇ UNVERIFIED |
| PDPlastic Diversity Solutions | Dayville | CT | — | ◇ UNVERIFIED |
| PIPlasti-dip International | Blaine | MN | — | ◇ UNVERIFIED |
| PIPlating International INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| PIPlaze INC | Saint Clair | MO | — | ◇ UNVERIFIED |
| PCPlz CORP | Bridgeview | IL | — | ◇ UNVERIFIED |
| PSPolyad Services LLC | Earth City | MO | — | ◇ UNVERIFIED |
| PIPolychemie INC | Pearlington | MS | — | ◇ UNVERIFIED |
| PIPolychemie INC. - Wayne, Mi | Wayne | MI | — | ◇ UNVERIFIED |
| PPPolycoat Products LLC | Bedford | TX | — | ◇ UNVERIFIED |
| PPPolycoat Products LLC | Arlington | TX | — | ◇ UNVERIFIED |
| PIPolymerics INC | Kent | OH | — | ◇ UNVERIFIED |
| PCPolynt Composites USA INC | Orlando | FL | — | ◇ UNVERIFIED |
| PCPolynt Composites Usa, INC (0322020129) | Sandusky | OH | — | ◇ UNVERIFIED |
| PCPolyone CORP | Bethlehem | PA | — | ◇ UNVERIFIED |
| PCPolyone CORP | Kennesaw | GA | — | ◇ UNVERIFIED |
| PCPolyone CORP North Baltimore | North Baltimore | OH | — | ◇ UNVERIFIED |
| PCPolyone Corporation | Terre Haute | IN | — | ◇ UNVERIFIED |
| PCPolyone Corporation | Pasadena | TX | — | ◇ UNVERIFIED |
| POPoly One Corporation-st. Louis | Saint Louis | MO | — | ◇ UNVERIFIED |
| PGPolyone, Glendale | Glendale | AZ | — | ◇ UNVERIFIED |
| PPPolyone Plastic Compounds and Color Groups | Dyersburg | TN | — | ◇ UNVERIFIED |
| PDPolyventive ? Dalton South | Dalton | GA | — | ◇ UNVERIFIED |
| PLPolyventive, LLC | Calhoun | GA | — | ◇ UNVERIFIED |
| PIPorce-len, INC | Hamden | CT | — | ◇ UNVERIFIED |
| PFPort Fourchon North | Golden Meadow | LA | — | ◇ UNVERIFIED |
| PAPostle Aluminum (p0448) | Cassopolis | MI | — | ◇ UNVERIFIED |
 Ppg Architectural Finishes, INC. | Huron | OH | — | ◇ UNVERIFIED |
| PEPpg Euclid Pretreatment & Specialty Prods | Euclid | OH | — | ◇ UNVERIFIED |
| PIPpg Idustries INC. Tx | Gainesville | TX | — | ◇ UNVERIFIED |
| PIPpg Ind Inc/springdale | Springdale | PA | — | ◇ UNVERIFIED |
