| MFMars Fishcare INC | Chalfont | PA | — | ◇ UNVERIFIED |
| MLMartin Lumber 18 #1 & Swd | Union Hill | LA | — | ◇ UNVERIFIED |
| MSMarubenl Specialty Chemicals | Vandalia | IL | — | ◇ UNVERIFIED |
| MKMary Kay Dallas Facility | Dallas | TX | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions US at Palmer Logistics | Grand Prairie | TX | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions US LLC | Allentown | PA | — | ◇ UNVERIFIED |
| MWMaster Wall INC. | Lithonia | GA | — | ◇ UNVERIFIED |
| MWMaster Wash | Commerce City | CO | — | ◇ UNVERIFIED |
| MMMatchless Metal Polish CO | Chicago | IL | — | ◇ UNVERIFIED |
| MPMax Pax LLC | Elkhorn | WI | — | ◇ UNVERIFIED |
| MIMaxxum INC | Rush | MN | — | ◇ UNVERIFIED |
| MIMc Ionic Solutions Us, INC | Memphis | TN | — | ◇ UNVERIFIED |
| MRMckees Rocks Transfer Station | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| MBMedical Biowaste Solutions INC | Mission Viejo | CA | — | ◇ UNVERIFIED |
| MIMenard INC | Chicago | IL | — | ◇ UNVERIFIED |
| MBMept Bedford Park LLC | Bedford Park | IL | — | ◇ UNVERIFIED |
| MFMetal Finishing Research CORP | Chicago | IL | — | ◇ UNVERIFIED |
| MCMetokote Corporation | Sanford | NC | — | ◇ UNVERIFIED |
| MEM&g Equity Llc, Marlin Company ** Inactive ** | Lenoir | NC | — | ◇ UNVERIFIED |
| MPMiami Products & Chemical CO. | Dayton | OH | — | ◇ UNVERIFIED |
| MRMineral Right, INC. Environmental Manager | Phillipsburg | KS | — | ◇ UNVERIFIED |
| MPMirandy Products LLC | Miami | FL | — | ◇ UNVERIFIED |
| MPMirandy Products LLC | South Hempstead | NY | — | ◇ UNVERIFIED |
| MKMission Kleensweep Prods INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| MEMissouri Electrochem Incorporated | Saint Louis | MO | — | ◇ UNVERIFIED |
| MCMistolin Caribe INC | Bayamon | PR | — | ◇ UNVERIFIED |
| MCMonson Chemical Distribution | Leominster | MA | — | ◇ UNVERIFIED |
| MIMorton International | Grand Saline | TX | — | ◇ UNVERIFIED |
| MHMount Hood Chemical Corporation | Portland | OR | — | ◇ UNVERIFIED |
| MSMpower Specialty Chemicals | Brookshire | TX | — | ◇ UNVERIFIED |
| MIMti Insulated Products, INC. | Fort Wayne | IN | — | ◇ UNVERIFIED |
| MGMulti-chem Gc LLC - New Iberia Chemical Distribution Facility | New Iberia | LA | — | ◇ UNVERIFIED |
| MGMulti-chem Group LLC - Geismar Facility | Geismar | LA | — | ◇ UNVERIFIED |
| MGMulti-chem Group, LLC Rock Springs Facility | Rock Springs | WY | — | ◇ UNVERIFIED |
| MFMultisorb Filtration Group, French Road Facility | Buffalo | NY | — | ◇ UNVERIFIED |
| MBMyku Biosciences LLC | Denver | CO | — | ◇ UNVERIFIED |
| NMNagl Manufacturing CO | Omaha | NE | — | ◇ UNVERIFIED |
 Nalco Company, Energy Services Division | Evansville | WY | — | ◇ UNVERIFIED |
| NCNalco CO Tulsa Plant 102 | Tulsa | OK | — | ◇ UNVERIFIED |
| NENalco Energy Services LP | Gillette | WY | — | ◇ UNVERIFIED |
| NSNanochem Solutions INC | Peru | IL | — | ◇ UNVERIFIED |
| NNanosys | Milpitas | CA | — | ◇ UNVERIFIED |
 National Foam/west Chester | West Chester | PA | — | ◇ UNVERIFIED |
| NINational Interchem CORP | Chicago | IL | — | ◇ UNVERIFIED |
| NPNational Purity LLC | Britt | IA | — | ◇ UNVERIFIED |
| NINavico Ind Dba Navy Brand Mfg CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| NINcoc INC (national Chemical & Oil CORP ) | Oak Park | MI | — | ◇ UNVERIFIED |
| NDNew Deal Deicing - Denver Plant | Denver | CO | — | ◇ UNVERIFIED |
| NJNew Jersey Fireworks | Elkton | MD | — | ◇ UNVERIFIED |
| NLNew Life Chemical Sodium Hydrosulfite LLC | Greenville | SC | — | ◇ UNVERIFIED |
| NLNew Life Solutions, LLC | Ashland | VA | — | ◇ UNVERIFIED |
| NLNex-gen LLC | Chavies | KY | — | ◇ UNVERIFIED |
| NSNext-gen Supply Group INC | Mansfield | MA | — | ◇ UNVERIFIED |
| NPNiche Polymer LLC | Ravenswood | WV | — | ◇ UNVERIFIED |
| NANorth American Salt CO | Chicago | IL | — | ◇ UNVERIFIED |
| NCNoxell CORP. | Cockeysville | MD | — | ◇ UNVERIFIED |
| NWNu Way Products CO. | West Memphis | AR | — | ◇ UNVERIFIED |
| NWNu Wood Design | Lake Forest | CA | — | ◇ UNVERIFIED |
| OCOakely City | Oakley | UT | — | ◇ UNVERIFIED |
| OFOberon Fuels Kershaw Facility | Brawley | CA | — | ◇ UNVERIFIED |
| OIOctochem INC | Vandalia | IL | — | ◇ UNVERIFIED |
| OIOemeta INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| OSOilfield Solutions Midland | Midland | TX | — | ◇ UNVERIFIED |
| OCOlin CORP - Moundsville Plant | Moundsville | WV | — | ◇ UNVERIFIED |
| OMOlympic Mountain Products | Kent | WA | — | ◇ UNVERIFIED |
| OTOmaha Transloading Corporation | Omaha | NE | — | ◇ UNVERIFIED |
| OEOmg Electronic Chemicals | South Plainfield | NJ | — | ◇ UNVERIFIED |
| OEOmg Electronic Chemicals LLC | Newark | NJ | — | ◇ UNVERIFIED |
| OSOmnova Solutions INC. - Calhoun Latex Plant | Calhoun | GA | — | ◇ UNVERIFIED |
| OBOpen Book Extracts | Roxboro | NC | — | ◇ UNVERIFIED |
| OPOpi Products INC. | N Hollywood | CA | — | ◇ UNVERIFIED |
| OIOptiblend Industries-cambridge | Cambridge | OH | — | ◇ UNVERIFIED |
| OIOptiblend Industries, INC. | Midland | TX | — | ◇ UNVERIFIED |
| OFOrganic Filling Solutions LLC | Chatsworth | CA | — | ◇ UNVERIFIED |
| OCOrg Chem Group LLC | Evansville | IN | — | ◇ UNVERIFIED |
| OIOrlandi INC | Farmingdale | NY | — | ◇ UNVERIFIED |
| OCOverdale CORP | Alsip | IL | — | ◇ UNVERIFIED |
| OBOwen Biosciences INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| PNPace National LP | Kirkland | WA | — | ◇ UNVERIFIED |
| PAPackaging Advantage CORP. | Los Angeles | CA | — | ◇ UNVERIFIED |
| PCPackaging Concepts | Boynton Beach | FL | — | ◇ UNVERIFIED |
 Pariser Industries | Paterson | NJ | — | ◇ UNVERIFIED |
| PSParker Solvents Company, INC. | Little Rock | AR | — | ◇ UNVERIFIED |
| PMPdq Manufacturing, INC. | Ellijay | GA | — | ◇ UNVERIFIED |
| PCPenetone Corporation | Carlstadt | NJ | — | ◇ UNVERIFIED |
| PCPenray Companies | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| PCPenray Cos INC | Wheeling | IL | — | ◇ UNVERIFIED |
| POPerma-fix of South Georgia | Valdosta | GA | — | ◇ UNVERIFIED |
| PIPerma INC | Bedford | MA | — | ◇ UNVERIFIED |
| PIP&g-clairol, INC. | Stamford | CT | — | ◇ UNVERIFIED |
| PMPharmetic Manufacturing CO | Sayreville | NJ | — | ◇ UNVERIFIED |
| PPPhoenix Products CO | Terryville | CT | — | ◇ UNVERIFIED |
| PRPhoenix Resins INC | Cinnaminson | NJ | — | ◇ UNVERIFIED |
| PCPico Chemical CORP | Chicago Heights | IL | — | ◇ UNVERIFIED |
| PLPiedmont LLC | Gainesville | GA | — | ◇ UNVERIFIED |
| PPioneer | Johnston | IA | — | ◇ UNVERIFIED |
| PCPirelli Cable and Systems LLC | West Columbia | SC | — | ◇ UNVERIFIED |
| PIPka INC Prokrete Ind | Denver | CO | — | ◇ UNVERIFIED |
| PMPlaytex Manufacturing INC. | Ormond Beach | FL | — | ◇ UNVERIFIED |
| PGPlaze Georgia (apollo Technologies, Inc) | Smyrna | GA | — | ◇ UNVERIFIED |
