| Malley's Chocolates OH | Manufacturing | 0 | — | F |
| Mallick Mechanical Contractors Inc. MD | Construction | 0 | — | B |
| Mallin Companies, Inc MO | Wholesale Trade | 0 | — | F |
| Mallinckrodt IL | Manufacturing | 0 | — | F |
| Mallinckrodt Enterprises LLC NY | Manufacturing | 0 | — | F |
| Mallinckrodt Pharmaceuticals CA | — | 0 | — | — |
| Mallinckrodt Pharmaceuticals MO | Manufacturing | 0 | — | A |
| Mallinckrodt Pharmaceuticals / SpecGX LLC NC | Manufacturing | 0 | — | C |
| Mallory USA, Inc. NE | — | 0 | — | — |
| Malloy, Montague, Karnowski, Radosevich & Co., P.A. MN | Professional & Technical Services | 1 | $53,830 | — |
| Malltail, Inc. CA | Retail Trade | 1 | $120,640 | — |
| Malm Electrical Contractors LLC. CO | Construction | 0 | — | A |
| Malmberg Development Corporation MN | Real Estate | 0 | — | A |
| Malnove Holding Company, Inc. FL | Manufacturing | 0 | — | F |
| Malnove Holding Company, Inc. NE | Manufacturing | 0 | — | D |
| Malnove Holding Company, Inc. UT | Manufacturing | 0 | — | F |
| Malone Industrial Machine TX | Manufacturing | 0 | — | A |
| Malone Roffing Services LLC MS | Construction | 0 | — | A |
| Malone University OH | Educational Services | 0 | — | C |
| Malone's Mechanical Inc. AR | Construction | 0 | — | C |
| MaloneBailey LLP TX | Professional & Technical Services | 1 | $77,085 | — |
| Maloney and Associates Inc. OH | Real Estate | 0 | — | A |
| Maloney Family inc CA | Retail Trade | 0 | — | A |
| Maloney Holdings LLC dba Content Restorology IN | Administrative & Waste Services | 0 | — | A |
| Maloney Properties, Inc. MA | Real Estate | 0 | — | F |
| Malouf Construction LLC MS | Construction | 0 | — | A |
| Malpass Farms LLC OR | Agriculture & Forestry | 0 | — | F |
| MALTA FIRE PROTECTION DISTRICT IL | Public Administration | 0 | — | A |
| Malta Hospitality, LLC NY | Accommodation & Food Services | 0 | — | F |
| Malta House MD | Healthcare & Social Assistance | 0 | — | F |
| Malta Land and Livestock LLC ID | Agriculture & Forestry | 0 | — | A |
| Malteurop MN | Manufacturing | 0 | — | D |
| Malteurop MT | Manufacturing | 0 | — | B |
| Malteurop WI | Manufacturing | 0 | — | A |
| Malteurop North America Inc. WI | — | 0 | — | — |
| Maltique LLC CA | Healthcare & Social Assistance | 0 | — | F |
| Maltique LLC dba Sherwood Healthcare Center CA | Healthcare & Social Assistance | 0 | — | F |
| Maltz Jupiter Theatre, Inc. FL | Arts & Entertainment | 0 | — | C |
| Malum, Inc. IA | Professional & Technical Services | 1 | $85,000 | — |
| MALVAES SOLUTIONS, INC. IL | Manufacturing | 0 | — | A |
| Malvern Panalytical Inc. MA | Manufacturing | 0 | — | A |
| Malvi Logistics LLC MI | Transportation & Warehousing | 0 | — | F |
| Malwarebytes Corporate Holdco Inc. CA | Information & Media | 1 | $211,275 | — |
| MALWAREBYTES, INC. CA | Information & Media | 3 | $172,527 | — |
| Maly Roofing Company WI | Construction | 0 | — | F |
| MAM LLC dba Mid America Specialty Services MO | Construction | 0 | — | F |
| Mama Jean's Natural Market MO | Retail Trade | 0 | — | C |
| Mama Lola's LLC AZ | Manufacturing | 0 | — | D |
| Mama Lolas LLC AZ | Manufacturing | 0 | — | F |
| MAMA MANAGEMENT CA | — | 0 | — | — |