| McGraw Hill LLC OH | Educational Services | 16 | $164,231 | - |
| McGraw-Hill Companies, Inc IA | - | 0 | - | - |
| McGraw-Hill Education CA | - | 0 | - | - |
| McGraw-Hill Education IN | - | 0 | - | - |
| McGraw-Hill Education MO | - | 0 | - | - |
| McGregor Metal OH | Manufacturing | 0 | - | F |
| McGriff Tire Company, Inc. AL | Retail Trade | 0 | - | A |
| McGrory Glass, Inc. NJ | Manufacturing | 0 | - | F |
| McGuffey Healthcare AL | Healthcare & Social Assistance | 0 | - | - |
| McGuire Memorial PA | Healthcare & Social Assistance | 0 | - | F |
| McGuire Moorman Hospitality LLC TX | Accommodation & Food Services | 1 | $65,000 | A |
| McGuireWoods LLP VA | Professional & Technical Services | 2 | $250,000 | - |
| MCH - 58 Baribeau ME | Healthcare & Social Assistance | 0 | - | F |
| MCH Electric CA | Construction | 0 | - | D |
| MCH Professional Care TX | - | 1 | $310,000 | - |
| McHale McHale Landscape Design MD | Administrative & Waste Services | 0 | - | F |
| McHenry Township Fire Protection District IL | Public Administration | 0 | - | B |
| McHone Industries, Inc. NY | Manufacturing | 0 | - | F |
| McHugh Concrete Construction, Inc. IL | Construction | 0 | - | F |
| McHugh Engineering Group LLC IL | Professional & Technical Services | 1 | $133,900 | - |
| McIlhenny Company LA | Manufacturing | 0 | - | B |
| McIlwain School Bus Lines, Inc. PA | Transportation & Warehousing | 0 | - | D |
| Mcincr - Mcb Quantico VA | Administrative & Waste Services | 0 | - | C |
| McIntosh Box & Pallet Co., Inc. MD | Manufacturing | 0 | - | F |
| McIntosh Box & Pallet Co., Inc. NC | Manufacturing | 0 | - | F |
| McIntosh Box & Pallet Co., Inc. NY | Manufacturing | 0 | - | F |
| McIntosh Corporation OK | Construction | 0 | - | B |
| Mcintosh Senior Living MN | Healthcare & Social Assistance | 1 | $76,648 | - |
| McIntyre Labor Services, LLC. CA | Agriculture & Forestry | 0 | - | F |
| MCK Trucking, Inc. OH | Transportation & Warehousing | 0 | - | F |
| McKay Books, Inc. TN | - | 0 | - | - |
| McKay Nursery Company WI | Agriculture & Forestry | 0 | - | C |
| McKee & Company Electric CA | Construction | 0 | - | F |
| McKee Foods Corporation MI | Manufacturing | 0 | - | B |
| McKee Foods Corporation TN | Manufacturing | 0 | - | F |
| McKee Foods Corporation VA | Manufacturing | 0 | - | F |
| McKee Foods Corporation and Affiliates AR | Manufacturing | 0 | - | D |
| McKee Foods Transportation AR | Transportation & Warehousing | 0 | - | F |
| McKee Foods Transportation AZ | Transportation & Warehousing | 0 | - | F |
| McKee Foods Transportation VA | Transportation & Warehousing | 0 | - | D |
| McKeever Enterprises KS | Retail Trade | 0 | - | B |
| McKeever Enterprises MO | Retail Trade | 0 | - | C |
| McKenna Labs Inc. CA | Manufacturing | 0 | - | F |
| McKenna Motor Co., Inc. CA | Retail Trade | 0 | - | D |
| McKenney's, Inc. GA | Construction | 0 | - | C |
| McKenzie County Healthcare Systems, Inc ND | Healthcare & Social Assistance | 6 | $82,222 | D |
| McKenzie Health System MI | Healthcare & Social Assistance | 0 | - | F |
| McKenzie Sports Products NC | Manufacturing | 0 | - | D |
| McKesson AZ | Wholesale Trade | 0 | - | D |
| McKesson CA | Wholesale Trade | 0 | - | F |