| Mesa Solutions FL | Professional & Technical Services | 1 | $180,000 | — |
| Mesa Springs TX | Healthcare & Social Assistance | 0 | — | D |
| Mesa Systems, Inc CO | Transportation & Warehousing | 0 | — | F |
| Mesa Systems, Inc ID | Transportation & Warehousing | 0 | — | F |
| Mesa Systems, Inc UT | Transportation & Warehousing | 0 | — | D |
| Mesa Systems. Inc MT | Transportation & Warehousing | 0 | — | F |
| Mesa Verde Convalescent Hospital CA | Healthcare & Social Assistance | 0 | — | F |
| Mesa Verde Country Club CA | — | 0 | — | — |
| Mesa Verde Enterprises NM | Construction | 0 | — | F |
| Mesa Vista Consolidated Schools NM | Educational Services | 1 | $56,774 | — |
| Mesa Water District CA | Utilities | 0 | — | F |
| MESA/AMP KY | Utilities | 0 | — | A |
| MESA/AMP WV | Utilities | 0 | — | A |
| Mesaba Airlines MI | — | 0 | — | — |
| Mesaba Airlines, Inc. NY | — | 0 | — | — |
| Mesabi Metallics Company LLC MN | Mining & Extraction | 0 | — | A |
| Mesalands Community College NM | Educational Services | 1 | $38,022 | — |
| Mescada LLC IL | Professional & Technical Services | 2 | $102,500 | — |
| Meschi's Minimax, Inc TX | Retail Trade | 0 | — | A |
| Meschkat Precision Machining Inc CA | Manufacturing | 0 | — | A |
| Mesco Manufacturing Group LLC IN | Manufacturing | 0 | — | D |
| Mesenburg Bros Inc OH | Transportation & Warehousing | 0 | — | D |
| Mesh Connect, Inc. CA | Professional & Technical Services | 4 | $177,278 | — |
| Mesh LLC FL | Construction | 0 | — | A |
| MESH LOGISTICS INC CA | Professional & Technical Services | 0 | — | F |
| meShare, Inc. IL | Professional & Technical Services | 1 | $74,000 | — |
| Mesher Supply Co. OR | Wholesale Trade | 0 | — | F |
| Meshfore LLC GA | Professional & Technical Services | 1 | $88,000 | — |
| Meshy LLC CA | Professional & Technical Services | 2 | $277,500 | — |
| Mesilla Valley Hospice Inc. NM | Healthcare & Social Assistance | 0 | — | F |
| Mesirow Financial IL | Finance & Insurance | 1 | $142,158 | — |
| Mesko Glass Co., Inc. PA | Construction | 0 | — | F |
| MESO SCALE DIAGNOSTICS, LLC MD | Manufacturing | 7 | $125,987 | A |
| Mesons Technologies LLC FL | Professional & Technical Services | 4 | $87,188 | — |
| MESQUITE CATTLE FEEDERS, INC. CA | Agriculture & Forestry | 0 | — | D |
| Mesquite Comercial Solutions CO | Construction | 0 | — | F |
| Mesquite Concrete TX | Manufacturing | 0 | — | F |
| Mesquite Gaming, LLC NV | Accommodation & Food Services | 0 | — | D |
| Mesquite Independent School District TX | Educational Services | 3 | $66,821 | — |
| Mesquite Specialty Hospital, LP TX | Healthcare & Social Assistance | 0 | — | D |
| MessageBird USA, Inc. MD | Professional & Technical Services | 2 | $163,806 | — |
| Messco Building Supply, Inc. NY | Retail Trade | 0 | — | F |
| Messer Construction IN | Construction | 0 | — | A |
| Messer Construction KY | Construction | 0 | — | A |
| Messer Construction NC | Construction | 0 | — | A |
| Messer Construction OH | Construction | 0 | — | B |
| Messer Construction TN | Construction | 0 | — | D |
| Messer Construction Co. SC | Construction | 0 | — | A |
| Messer Cutting Systems Inc. WI | Manufacturing | 0 | — | C |
| Messer North America Inc. AL | Manufacturing | 0 | — | B |