| MPT Sterling Heights, a division of Magna Powertrain of America Inc. MI | Manufacturing | 1 | $111,600 | — |
| MPT Trucking LLC OH | Transportation & Warehousing | 0 | — | A |
| MPTN CT | Accommodation & Food Services | 0 | — | A |
| mPulse Mobile, Inc. CA | Professional & Technical Services | 5 | $105,165 | — |
| MPV Enterprises, LLC NC | Healthcare & Social Assistance | 0 | — | A |
| MPV Morganton Pressure Vessel North Carolina LLC NC | Manufacturing | 0 | — | D |
| MPW Environmental Services, Inc. IN | Construction | 0 | — | A |
| MPW Environmental Services, Inc. MO | Construction | 0 | — | A |
| MPW Environmental Services, Inc. OH | Construction | 0 | — | A |
| MPW Environmental Services, Inc. WV | Construction | 0 | — | A |
| MPW Industrial Services MO | — | 0 | — | — |
| MPW Industrial Services, Inc NC | Construction | 0 | — | A |
| MPW Industrial Services, Inc. AL | Construction | 0 | — | A |
| MPW Industrial Services, Inc. DE | Construction | 0 | — | A |
| MPW Industrial Services, Inc. FL | Construction | 0 | — | A |
| MPW Industrial Services, Inc. IL | Construction | 0 | — | A |
| MPW Industrial Services, Inc. IN | Construction | 0 | — | A |
| MPW Industrial Services, Inc. KY | Construction | 0 | — | F |
| MPW Industrial Services, Inc. MD | Construction | 0 | — | A |
| MPW Industrial Services, Inc. MI | Construction | 0 | — | A |
| MPW Industrial Services, Inc. OH | Construction | 0 | — | A |
| MPW Industrial Services, Inc. PA | Construction | 0 | — | A |
| MPW Industrial Services, Inc. SC | Construction | 0 | — | A |
| MPW Industrial Services, Inc. TN | Administrative & Waste Services | 0 | — | A |
| MPW Industrial Services, Inc. TX | Construction | 0 | — | A |
| MPW Industrial Services, Inc. VA | Construction | 0 | — | A |
| MPW Industrial Water Services, Inc. MO | Manufacturing | 0 | — | A |
| MPW Industrial Water Services, Inc. OH | Manufacturing | 0 | — | A |
| MPW Industrial Water Services, Inc. PA | Manufacturing | 0 | — | A |
| MPW Industrial Water Services, Inc. SC | Manufacturing | 0 | — | A |
| MPW Industrial Water Services, Inc. TX | Manufacturing | 0 | — | B |
| MPW Services TX | — | 0 | — | — |
| MQ SEWER & WATER CONTRACTORS, INC. D/B/A MQ CONSTRUCTION COMPANY IL | Construction | 0 | — | D |
| Mr Boston Brands of Maine, LLC ME | Manufacturing | 0 | — | B |
| MR BULT'S INC AL | Transportation & Warehousing | 0 | — | D |
| MR BULT'S INC CO | Transportation & Warehousing | 0 | — | C |
| MR BULT'S INC IL | Transportation & Warehousing | 0 | — | D |
| MR BULT'S INC KS | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC KY | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC MA | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC MO | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC NH | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC NY | Transportation & Warehousing | 0 | — | B |
| MR BULT'S INC OH | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC OK | Transportation & Warehousing | 0 | — | A |
| MR BULT'S INC TN | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC UT | Transportation & Warehousing | 0 | — | F |
| MR BULT'S INC VA | Transportation & Warehousing | 0 | — | C |
| MR BULT'S INC VT | Transportation & Warehousing | 0 | — | C |
| Mr Cooper - Beaverton OR | — | 0 | — | — |