| MKMarathon Kb Oil CORP | Richmond | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MSMarine Spill Response Corporation | Richmond | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MDMario Duenas Jimenez; Rosa Garcia Cruz, Each Individually and Jointly | Richmond | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| MAMarvin's Affordable Pallet | Richmond | VA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| MDMasonite Door Corporation | Richmond | IN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
 Masters Machine, LLC | Richmond | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MTMatheson Tri-gas INC | Richmond | CA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
 Matthews International Corporation | Richmond | IN | Miscellaneous Manufacturing339995 | — | ◇ UNVERIFIED |
| MAMauri All Debris | Richmond | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MDMax Design INC | Richmond | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| MIMaxterial INC | Richmond | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| MMdp | Richmond | VA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MUMetalspray USA INC | Richmond | VA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MCMetromont Corporation | Richmond | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MBMichael Bland | Richmond | TX | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| MCMichael Cohn | Richmond | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MMMicro Metals | Richmond | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MUMicronized Ultra Tech INC | Richmond | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| MSMonarch Studios, LLC Dba Monvera Glass Decor | Richmond | CA | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| MIMondelez International INC | Richmond | VA | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| MLMsatt, LLC | Richmond | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MPMsc Pinole Point Steel INC | Richmond | CA | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| MMMuse Media Center | Richmond | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| NMNational Marking Products INC | Richmond | VA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| NYNew York Bakery | Richmond | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| NGNuthouse! Granola Company, LLC | Richmond | CA | Food Manufacturing311230 | — | ◇ UNVERIFIED |
| NNutiva | Richmond | CA | Food Manufacturing311225 | — | ◇ UNVERIFIED |
| OCOakland Container Trucking | Richmond | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
 Oceanwide Repair | Richmond | CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| OPOnyx Pharmaceuticals INC | Richmond | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| OLOscar Luz Nava Dba Ayates Tire Sales | Richmond | CA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| PRPabco Roofing Company | Richmond | CA | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| PHPacific Hard Chrome | Richmond | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PIPacific Infinity Center LLC Dba Pacific East Mall | Richmond | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| PIPalecek Imports | Richmond | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| PIPalecek Imports | Richmond | CA | Furniture and Related Product Manufacturing337126 | — | ◇ UNVERIFIED |
| PPParis Printing | Richmond | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Veriflo Di | Richmond | CA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| PHParker Hannifin Veriflo Div | Richmond | CA | Miscellaneous Manufacturing339115 | — | ◇ UNVERIFIED |
| PPcb_richmond_ca | Richmond | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PPPerceptive Pharma Research LLC | Richmond | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PAPhilipmorrisusa an Altria Company | Richmond | VA | Beverage and Tobacco Product Manufacturing312230 | — | ◇ UNVERIFIED |
| PMPhillip Morris USA | Richmond | VA | Beverage and Tobacco Product Manufacturing312221 | — | ◇ UNVERIFIED |
| P6Phillips 66 | Richmond | CA | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| PBPhipps & Bird, Inc. | Richmond | VA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| PCPhlow CORP. Richmond Facility | Richmond | VA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| PDPhoenix Day INC | Richmond | CA | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| PFPilgrim Fireplace Equipment CO | Richmond | CA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| PBPlan B Design & Fabrication, INC. | Richmond | VA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PCPlexus CORP. Rky | Richmond | KY | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
