| Management and Training Corporation, Tongue Point Job Corps Center OR | — | 0 | — | — |
| Management Consulting Group CA | Professional & Technical Services | 1 | $83,200 | — |
| Management Consulting Personnel Services, Inc. CA | Administrative & Waste Services | 0 | — | A |
| Management Data Systems International Inc GA | Wholesale Trade | 0 | — | B |
| Management Data Systems International Inc PA | Wholesale Trade | 0 | — | A |
| Management Health Systems, LLC FL | Administrative & Waste Services | 60 | $61,312 | — |
| Management Registry Inc, DBA JC Malone, Malone Staffing, Malone Staffing Solutions KY | Administrative & Waste Services | 0 | — | A |
| Management Registry Inc, DBA Malone Healthcare, Malone Solutions, Malone Staffing Solutions NE | Administrative & Waste Services | 0 | — | A |
| Management Registry Inc. DBA JC Malone Associate, Malone Staffing, Malone Staffing Solutions GA | Administrative & Waste Services | 0 | — | A |
| Management Science Associates, Inc. PA | Professional & Technical Services | 3 | $129,607 | — |
| Management Science for Health (MSH) VA | — | 0 | — | — |
| Management Services Group, Inc. VA | Manufacturing | 0 | — | B |
| Management Systems International, Inc. VA | Professional & Technical Services | 2 | $103,985 | — |
| Management Training Corporation (Sanders Estes Unit) TX | — | 0 | — | — |
| ManageMy Inc. NC | Finance & Insurance | 1 | $85,000 | — |
| Manager Group-Austin TX | — | 0 | — | — |
| Manager Group-Temple TX | — | 0 | — | — |
| Managing Internal Activities Inc. PA | Professional & Technical Services | 1 | $66,310 | — |
| Manahan OH | Healthcare & Social Assistance | 0 | — | F |
| Manan Medical Products Inc. dba Argon Medical Devices Inc. IL | Manufacturing | 0 | — | C |
| Manarchs Athletics CA | — | 0 | — | — |
| Manas AI, Inc. NY | Professional & Technical Services | 1 | $140,000 | — |
| MANASES ENTREPRISES LLC KS | Construction | 1 | $71,178 | — |
| MANASI INFORMATION TECHNOLOGIES INC NJ | Professional & Technical Services | 4 | $93,264 | — |
| Manassas City Public Schools VA | Educational Services | 1 | $69,972 | D |
| Manassas Park City Schools VA | Educational Services | 4 | $73,888 | — |
| Manatee County Habitat for Humanity FL | Healthcare & Social Assistance | 0 | — | A |
| MANATEE RIVER FAIR ASSOCIATION, INC. FL | Arts & Entertainment | 0 | — | A |
| Manatts Inc IA | Construction | 0 | — | F |
| Manawa Community Living Center WI | Healthcare & Social Assistance | 0 | — | A |
| Manchester Center for Rehabilitation TN | Healthcare & Social Assistance | 0 | — | F |
| Manchester Flats I VA | Real Estate | 0 | — | A |
| Manchester Grand Hyatt CA | — | 0 | — | — |
| Manchester Housing Authority CT | Public Administration | 0 | — | F |
| Manchester Industries Inc. of Virginia IN | Manufacturing | 0 | — | C |
| Manchester Industries Inc. of Virginia MI | Manufacturing | 0 | — | F |
| Manchester Industries Inc. of Virginia PA | Manufacturing | 0 | — | A |
| Manchester Industries Inc. of Virginia VA | Manufacturing | 0 | — | F |
| Manchester Industries Inc. of Virginia TX | Manufacturing | 0 | — | F |
| Manchester Learning Center TN | — | 0 | — | — |
| Manchester Manor Convalescent Hospital CA | Healthcare & Social Assistance | 0 | — | F |
| MANCHESTER MOLDING & MFG CO. INC. CT | Manufacturing | 0 | — | A |
| MANCHESTER MOTOR FREIGHT INC NH | Transportation & Warehousing | 0 | — | A |
| Manchester Packaging Company MO | Manufacturing | 0 | — | F |
| Manchester Packing Company, Inc. CT | Wholesale Trade | 0 | — | F |
| Manchester Tank & Equipment IN | — | 0 | — | — |
| Manchester Tank & Equipment KY | Manufacturing | 0 | — | F |
| Manchester Tank & Equipment Co. TN | — | 0 | — | — |
| Manchester Tobacco & Candy Co. CT | Wholesale Trade | 0 | — | A |
| MANCHESTER TOOL AND DIE IN | Manufacturing | 0 | — | A |
