Mobile Paint Manufacturing Company of Delaware, INC. | Theodore | AL | Chemical Manufacturing325510 | — | ● ACTIVE |
| MDMolded Dimensions | Port Washington | WI | Chemical Manufacturing325200 | 20-99 | ● ACTIVE |
| MMMolnlycke Manufacturing Us, LLC (formally Rynel ) | Wiscasset | ME | Chemical Manufacturing325211 | — | ● ACTIVE |
Momar, Incorporated | Atlanta | GA | Chemical Manufacturing325611 | 100-499 | ● ACTIVE |
| MSMontana Sulphur & Chemical CO | Billings | MT | Chemical Manufacturing325000 | 20-99 | ● ACTIVE |
Monument Chemical Houston LLC | Houston | TX | Petroleum and Coal Products Manufacturing324110 | 100-499 | ● ACTIVE |
| MCMonument Chemical Kentucky LLC | Brandenburg | KY | Chemical Manufacturing325110 | 100-499 | ● ACTIVE |
Monument Chemical Port Arthur, LLC | Port Arthur | TX | Chemical Manufacturing325110 | 20-99 | ● ACTIVE |
Moravek Biochemicals, INC | Brea | CA | Chemical Manufacturing325412 | 20-99 | ● ACTIVE |
Morgan Advanced Ceramics, INC | Hudson | NH | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
| MFMosaic Fertilizer LLC - Riverview | Riverview | FL | Chemical Manufacturing325188 | 100-499 | ● ACTIVE |
Nanograf Corporation | Chicago | IL | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
National Chemical Laboratories of Pa INC | Philadelphia | PA | Chemical Manufacturing325611 | 20-99 | ● ACTIVE |
Nation Ford Chemical CO | Fort Mill | SC | Food Manufacturing311942 | 20-99 | ● ACTIVE |
| NNatureplex | Olive Branch | MS | Chemical Manufacturing325411 | — | ● ACTIVE |
Ncp Coatings, LLC | Niles | MI | Chemical Manufacturing325510 | 100-499 | ● ACTIVE |
| NCNebraska Corn Processing LLC | Cambridge | NE | Chemical Manufacturing325193 | — | ● ACTIVE |
| NCNeville Chemical Company | Pittsburgh | PA | Chemical Manufacturing325199 | 100-499 | ● ACTIVE |
New Leaf Biofuel, LLC | San Diego | CA | Food Manufacturing311225 | — | ● ACTIVE |
| NWNew World Medical Incorporated | Rancho Cucamonga | CA | Chemical Manufacturing325199 | 100-499 | ● ACTIVE |
| NLNexpera LLC - Wurtland Plant | Wurtland | KY | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
| NINic Industries INC | White City | OR | Chemical Manufacturing325510 | 100-499 | ● ACTIVE |
| NCNippon Chemical Texas INC | Pasadena | TX | Chemical Manufacturing325110 | 100-499 | ● ACTIVE |
| NPNippon Paint Automotive Americas INC | Lansing | IL | Chemical Manufacturing325510 | 100-499 | ● ACTIVE |
| NSNippon Shokubai America Industries, INC. | Chattanooga | TN | Chemical Manufacturing325188 | 20-99 | ● ACTIVE |
| NCNisus CORP | Rockford | TN | Chemical Manufacturing325320 | 20-99 | ● ACTIVE |
| NPNiteo Products LLC. | Hernando | MS | Chemical Manufacturing325998 | 20-99 | ● ACTIVE |
| NDNitto Denko Avecia - Internal Tank Farm | Cincinnati | OH | Chemical Manufacturing325411 | 100-499 | ● ACTIVE |
Norit Americas, INC | Marshall | TX | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
Nortek Powder Coating LLC | Rome | NY | Chemical Manufacturing325510 | — | ● ACTIVE |
| NCNorthern Coatings & Chemicals CO | Menominee | MI | Chemical Manufacturing325510 | 20-99 | ● ACTIVE |
Northern Technologies International Corporation | Circle Pines | MN | Chemical Manufacturing325998 | 20-99 | ● ACTIVE |
| NGNorthrop Grumman Systems Corporation | Magna | UT | Chemical Manufacturing325998 | — | ● ACTIVE |
Northstar Medical Technologies, LLC | Beloit | WI | Chemical Manufacturing325410 | — | ● ACTIVE |
| NPNouryon Pulp and Performance Chemicals | Columbus | MS | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
| NSNouryon Surface Chemistry LLC | Morris | IL | Chemical Manufacturing325199 | 100-499 | ● ACTIVE |
Novartis Pharmaceuticals Corporation | East Hanover | NJ | Chemical Manufacturing325411 | 500+ | ● ACTIVE |
Noven Therapeutics LLC | Miami | FL | Chemical Manufacturing325412 | — | ● ACTIVE |
| NNNovo Nordisk INC | Plainsboro | NJ | Chemical Manufacturing325412 | — | ● ACTIVE |
| NANufarm Americas INC | Alsip | IL | Chemical Manufacturing325320 | 20-99 | ● ACTIVE |
| NENugen Energy LLC | Marion | SD | Chemical Manufacturing325110 | 20-99 | ● ACTIVE |
Nyco America LLC | Newnan | GA | Chemical Manufacturing325199 | 20-99 | ● ACTIVE |
| NPNyco Products CO | Countryside | IL | Chemical Manufacturing325611 | 20-99 | ● ACTIVE |
| NCNylon Corporation of America | Manchester | NH | Chemical Manufacturing325211 | 20-99 | ● ACTIVE |
| OCOccidental Chemical Corporation - Muscle Shoals Plant | Muscle Shoals | AL | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
| OCOccidental Chemical Corporation - Wichita Plant | Wichita | KS | Chemical Manufacturing325110 | 100-499 | ● ACTIVE |
Ocular Therapeutix, INC | Bedford | MA | Chemical Manufacturing325412 | 100-499 | ● ACTIVE |
| OIOcusoft INC. | Rosenberg | TX | Chemical Manufacturing325412 | 20-99 | ● ACTIVE |
| OCOlin Chlor-alkali, Charleston Plant | Charleston | TN | Chemical Manufacturing325180 | 100-499 | ● ACTIVE |
| OCOlin CORP. Mcintosh, Alabama Plant | Mcintosh | AL | Chemical Manufacturing325180 | 100-499 | ● ACTIVE |