| Mansfield Plumbing Products Llc. OH | Transportation & Warehousing | 0 | — | C |
| Mansfield Plumbing Products Llc. TX | Manufacturing | 0 | — | D |
| Mansfield Service Partners TX | Wholesale Trade | 0 | — | A |
| Mansfield Township, Warren County NJ | Public Administration | 0 | — | F |
| Mansfield Warehousing & Distribution Inc OH | Transportation & Warehousing | 0 | — | A |
| Mansfield Warehousing and Distribution OH | Transportation & Warehousing | 0 | — | A |
| MansionsAlph Solvere OPCO, LLC GA | Healthcare & Social Assistance | 0 | — | F |
| MansionsLawr Solvere OPCO, LLC GA | Healthcare & Social Assistance | 0 | — | F |
| MansionsPC Solvere OPCO, LLC GA | Healthcare & Social Assistance | 0 | — | F |
| Manson Construction Co. CA | Construction | 0 | — | D |
| Manson Construction Co. FL | Construction | 0 | — | B |
| Manson Construction Co. LA | Construction | 0 | — | C |
| Manson Construction Co. WA | Construction | 0 | — | B |
| Manson Growers LLC WA | Wholesale Trade | 0 | — | F |
| Manson Growers Orchard Services WA | — | 0 | — | — |
| Manson Roofing, Inc. FL | Construction | 0 | — | F |
| Manson School District WA | Educational Services | 0 | — | A |
| Mansur Trucking Inc WI | Transportation & Warehousing | 0 | — | A |
| Manta Cares Inc. CA | Other Services | 1 | $183,102 | — |
| Mantaline Corporation OH | Manufacturing | 0 | — | D |
| Manteca Care and Rehabilitation Center CA | Healthcare & Social Assistance | 0 | — | F |
| ManTech International KS | — | 0 | — | — |
| ManTech Technical Services Group TX | — | 0 | — | — |
| ManTech Technical Services Group - Fort Bliss TX | — | 0 | — | — |
| Mantel Machine Products, Inc. WI | Manufacturing | 0 | — | F |
| Manteno Community Fire Protection District IL | Public Administration | 0 | — | F |
| Mantey Heights Stellar Senior Living CO | Healthcare & Social Assistance | 0 | — | F |
| Manth Manufacturing NY | Manufacturing | 0 | — | F |
| Manth-Brownell, Inc. NY | Manufacturing | 0 | — | F |
| Manthan Systems Inc. CA | Professional & Technical Services | 2 | $136,000 | — |
| Manticore Fuels TX | Wholesale Trade | 0 | — | A |
| Manticore Games Inc CA | Information & Media | 1 | $195,000 | — |
| Manticorp MD | Agriculture & Forestry | 0 | — | A |
| Mantis Ag Technology, Inc CA | Agriculture & Forestry | 0 | — | F |
| Mantle Industries WA | Manufacturing | 0 | — | F |
| Manton Capital Partners LLC MD | Finance & Insurance | 1 | $175,000 | — |
| MANTRA TELECOM, INC. TX | Professional & Technical Services | 2 | $85,250 | — |
| Manuel Flores Concrete Construction Inc. CA | Construction | 0 | — | F |
| Manuel Gomez Corporation CA | Retail Trade | 0 | — | D |
| Manuel Luis Construction Company, Inc. MD | Construction | 0 | — | F |
| Manuel Villa Enterprises, Inc. CA | Retail Trade | 0 | — | C |
| Manufactured Housing Enterprises, INC OH | Construction | 0 | — | F |
| Manufacturers & Trust Company (dba) M&T Bank NJ | — | 0 | — | — |
| Manufacturers and Traders Trust Company (dba NJ | — | 0 | — | — |
| Manufacturers Assistance Group MO | Healthcare & Social Assistance | 0 | — | A |
| Manufacturers Components, Inc. FL | Wholesale Trade | 0 | — | A |
| Manufacturers Pallet Disposal Inc. WI | Manufacturing | 0 | — | F |
| Manufacturers Products, Inc. IN | Wholesale Trade | 0 | — | A |
| Manufacturing AR | Manufacturing | 0 | — | F |
| Manufacturing Compliance and Automation Services, Inc. NC | Professional & Technical Services | 1 | $105,975 | — |