| M & C Concrete Company IN | Construction | 0 | - | F |
| M & G Polymers USA LLC WV | - | 0 | - | - |
| M & K Technovations, INC. PA | Professional & Technical Services | 1 | $108,000 | - |
| M & L Ventures Inc MO | Professional & Technical Services | 1 | $83,200 | - |
| M & M Manufacturing, Inc. TX | - | 0 | - | - |
| M & M Restaurant Supply OH | - | 0 | - | - |
| M & N Dental Management, LLC. TX | Healthcare & Social Assistance | 2 | $200,000 | - |
| M & T Bank NJ | - | 0 | - | - |
| M A Mortenson Company MN | Construction | 0 | - | A |
| M A Mortenson Company OK | Construction | 0 | - | C |
| M A Mortenson Company TX | Construction | 0 | - | B |
| M A Mortenson Company WI | Construction | 0 | - | D |
| M Abraham Floor Covering LLC PA | Construction | 1 | $241,238 | - |
| M and G Polymers USA LLC OH | - | 0 | - | - |
| M and S Enterprise LLC CA | Transportation & Warehousing | 0 | - | F |
| M Argueso & Co dba Paramelt MI | Manufacturing | 0 | - | F |
| M Crowd Restaurant Group TX | Accommodation & Food Services | 0 | - | C |
| M Digital LLC NJ | Professional & Technical Services | 8 | $96,936 | - |
| M Lanza engineering PLLC TX | Professional & Technical Services | 2 | $92,875 | - |
| M Moser Associates LLC NY | Professional & Technical Services | 1 | $81,557 | - |
| M Resort Spa Casino NV | - | 0 | - | - |
| M Royce Architecture CA | Professional & Technical Services | 1 | $88,800 | - |
| M Science LLC NY | Finance & Insurance | 5 | $132,000 | - |
| M Star Shipping Corp CA | Transportation & Warehousing | 0 | - | F |
| M Three Ranches, LLC CA | Agriculture & Forestry | 0 | - | D |
| M Work LLC OH | Other Services | 2 | $72,942 | - |
| M Zone Logistics LLC NY | Transportation & Warehousing | 0 | - | F |
| M&C Hotel Interest, Inc. CA | - | 0 | - | - |
| M&C Management Services (USA) Inc formerly Millennium Hotels & Resorts CA | Accommodation & Food Services | 0 | - | F |
| M&C Management Services (USA) Inc formerly Millennium Hotels & Resorts IL | Accommodation & Food Services | 0 | - | F |
| M&D Properties CA | Real Estate | 3 | $84,000 | - |
| M&D Supply TX | Retail Trade | 0 | - | C |
| M&D Wholesale Distributors PA | Wholesale Trade | 0 | - | F |
| M&F Collaboration Inc IL | Professional & Technical Services | 1 | $108,077 | - |
| M&G DuraVent, Inc. NY | - | 0 | - | - |
| M&G Foodstuff LLC NY | Manufacturing | 1 | $140,000 | - |
| M&G Resins USA LLC dba M&G Chemicals TX | - | 0 | - | - |
| M&H Enterprises, Inc. TX | Professional & Technical Services | 1 | $155,210 | - |
| M&J Engineering, D.P.C. NY | Professional & Technical Services | 2 | $98,800 | - |
| M&M Auto Parts, INC. VA | Retail Trade | 0 | - | F |
| M&M Cartage Co., Inc. KY | Transportation & Warehousing | 0 | - | C |
| M&M Industries, Inc. TN | Manufacturing | 0 | - | C |
| M&M Luxury Automotive LLC MI | Retail Trade | 0 | - | A |
| M&M Manufacturing TX | Manufacturing | 0 | - | F |
| M&M Manufacturing, Inc. MN | Manufacturing | 0 | - | F |
| M&M Moghul II, LLC NJ | Accommodation & Food Services | 1 | $61,000 | - |
| M&M Service Company IL | Wholesale Trade | 0 | - | F |
| M&M Transport Services, Inc. CT | Transportation & Warehousing | 0 | - | C |
| M&M Transport Services, Inc. IN | Transportation & Warehousing | 0 | - | C |
| M&M Transport Services, Inc. MA | Transportation & Warehousing | 0 | - | F |
