| Maui Oil Company, Inc HI | Wholesale Trade | 0 | — | A |
| Maui Seaside Hotel HI | — | 0 | — | — |
| MAUKA ENERGY INC. OR | Professional & Technical Services | 1 | $87,360 | — |
| Maul MFG, Inc. CA | Manufacturing | 0 | — | A |
| Maumee Assembly & Stamping OH | Manufacturing | 0 | — | F |
| Maumee Pattern Company OH | Manufacturing | 0 | — | A |
| Maumee Pointe OH | Healthcare & Social Assistance | 0 | — | F |
| Maumee Valley Fabricators, Inc. OH | Manufacturing | 0 | — | A |
| Maumee Valley Group OH | Retail Trade | 0 | — | A |
| Maumee Valley Habitat for Humanity OH | Construction | 0 | — | A |
| Mauna Kea Resort HI | — | 0 | — | — |
| Mauna Kea Roofing LLC HI | Construction | 0 | — | F |
| Mauna Lani HI | — | 0 | — | — |
| Mauna Lani, Auberge Resorts Collection HI | Accommodation & Food Services | 0 | — | F |
| Mauna Loa Macadamia Nut Company LLC HI | Manufacturing | 0 | — | A |
| Maurbeni-Itochu Steel America Inc. KY | Manufacturing | 0 | — | F |
| Maurer and Partners Corp ME | Accommodation & Food Services | 0 | — | A |
| Maurer Electric, Inc. MI | Construction | 0 | — | A |
| Maurer's Textile Rental Services MI | Other Services | 0 | — | F |
| Maurer-Stutz, Inc. IL | Professional & Technical Services | 0 | — | A |
| Maurice Max Inc NY | Manufacturing | 1 | $130,000 | — |
| Maurices Blaine MN | — | 0 | — | — |
| Maurices MOA MN | — | 0 | — | — |
| MAURICIO PULIDO CA | Agriculture & Forestry | 0 | — | A |
| Maury Regional Health Attn Human Resources Benefit Manager TN | Healthcare & Social Assistance | 0 | — | B |
| Maury Regional Health Attn: Human Resources Benefit Manager TN | Healthcare & Social Assistance | 0 | — | F |
| Mauser CA | Manufacturing | 0 | — | F |
| Mauser MO | Other Services | 0 | — | D |
| Mauser Cidra PR | Manufacturing | 0 | — | F |
| Mauser Packaging CA | Manufacturing | 0 | — | F |
| Mauser Packaging GA | Manufacturing | 0 | — | F |
| Mauser Packaging NC | Manufacturing | 0 | — | A |
| Mauser Packaging OH | Wholesale Trade | 0 | — | A |
| Mauser Packaging TX | Manufacturing | 0 | — | F |
| Mauser Packaging Cedar City UT | Manufacturing | 0 | — | A |
| Mauser Packaging Solution IL | Other Services | 0 | — | F |
| Mauser Packaging Solutions CA | Other Services | 0 | — | D |
| Mauser Packaging Solutions CO | Other Services | 0 | — | A |
| Mauser Packaging Solutions FL | Other Services | 0 | — | A |
| Mauser Packaging Solutions GA | Manufacturing | 0 | — | F |
| Mauser Packaging Solutions IA | Other Services | 0 | — | A |
| Mauser Packaging Solutions IL | Manufacturing | 0 | — | D |
| Mauser Packaging Solutions IN | Other Services | 0 | — | C |
| Mauser PAckaging Solutions KY | Other Services | 0 | — | B |
| Mauser Packaging Solutions LA | Manufacturing | 0 | — | A |
| Mauser Packaging Solutions MD | Other Services | 0 | — | C |
| Mauser Packaging Solutions MI | Manufacturing | 0 | — | D |
| Mauser Packaging Solutions MN | Other Services | 0 | — | C |
| Mauser Packaging Solutions MO | Other Services | 0 | — | D |
| MAUSER PACKAGING SOLUTIONS NC | Other Services | 0 | — | C |
