| Mull Drilling Company KS | Mining & Extraction | 0 | — | A |
| MULLEN INDUSTRIAL HANDLING CORP NY | Other Services | 0 | — | B |
| Mullen's Markings Inc VA | Construction | 0 | — | F |
| Mullen-Telles Inc TX | Manufacturing | 0 | — | A |
| MullenLowe U.S., Inc. MA | Professional & Technical Services | 1 | $255,000 | — |
| Muller & Muller, LTD. IL | Professional & Technical Services | 1 | $78,000 | — |
| Muller Ag, LLC CA | Agriculture & Forestry | 0 | — | F |
| Muller Boat Co MN | Transportation & Warehousing | 0 | — | D |
| Muller Construction, Inc. KS | Construction | 0 | — | A |
| MULLER CORPORATION NC | Construction | 0 | — | D |
| Muller Martini PA | — | 0 | — | — |
| Muller Martini Corp. NY | Wholesale Trade | 0 | — | A |
| Muller Martini Manufacturing Corp. VA | — | 0 | — | — |
| Muller, Inc PA | Wholesale Trade | 0 | — | F |
| Mullet Hop Trampoline Park, LLC MS | — | 0 | — | — |
| Mullet's Aluminum Products Inc FL | Manufacturing | 0 | — | F |
| Mullican Flooring TN | Manufacturing | 0 | — | C |
| Mullican Flooring L.P. VA | Manufacturing | 0 | — | C |
| Mulligan Group INC. dba Mulligan Family Fun Center CA | — | 0 | — | — |
| Mulligan Limited dba Mulligan Torrance CA | — | 0 | — | — |
| Mulligan Palmdale Corporation dba Mulligan Family Fun Center CA | — | 0 | — | — |
| Mullin Landscape Associates LA | Administrative & Waste Services | 0 | — | A |
| Mullins Brothers Paving Contractors, Inc. GA | Construction | 0 | — | F |
| Mullins Cheese Inc. WI | Manufacturing | 0 | — | C |
| Mullins Cheese Knowlton WI | Manufacturing | 0 | — | A |
| Mullins Mechanical GA | Construction | 0 | — | B |
| Mullins Mechanical & welding LLC GA | Construction | 0 | — | C |
| Mullins Rubber Products, Inc. OH | Manufacturing | 0 | — | F |
| Mullins Whey Inc. WI | Manufacturing | 0 | — | A |
| MullinTBG CA | — | 0 | — | — |
| MullinTBG TX | — | 0 | — | — |
| Multani Veterinary Clinic PLLC TX | Professional & Technical Services | 1 | $65,000 | — |
| Multi Care Management OH | Healthcare & Social Assistance | 0 | — | A |
| Multi Color Corporation KY | Manufacturing | 0 | — | F |
| Multi Color Corporation NY | Manufacturing | 0 | — | D |
| Multi Color Corporation PA | Manufacturing | 0 | — | B |
| Multi Color Corporation TX | — | 0 | — | — |
| Multi Color Corporation WI | Manufacturing | 0 | — | D |
| Multi Color North America CPG TN | Manufacturing | 0 | — | F |
| MULTI CREATIONS NJ INC NJ | Wholesale Trade | 1 | $80,000 | — |
| Multi Drywall & Partition, LLC MI | Construction | 0 | — | C |
| Multi Family Building Products Co Inc DBA Direct Lumber and Door of Colorado CO | Manufacturing | 0 | — | F |
| Multi Mechanical, Inc CA | Construction | 0 | — | F |
| Multi Media LLC CA | Information & Media | 3 | $181,500 | — |
| Multi Packaging Solutions CO | — | 0 | — | — |
| Multi Packaging Solutions KY | — | 0 | — | — |
| Multi Packaging Solutions Allegan Inc MI | Manufacturing | 0 | — | D |
| Multi Packaging Solutions Inc MI | Manufacturing | 0 | — | B |
| Multi Packing Solutions IN | — | 0 | — | — |
| Multi Products Company Inc. WI | Manufacturing | 0 | — | A |
