| Marrone's, Inc. KS | Wholesale Trade | 0 | — | F |
| Marrou Concrete, Inc. CO | Construction | 0 | — | A |
| MARRS ELECTRIC OK | Construction | 0 | — | A |
| MARS NY | Wholesale Trade | 0 | — | A |
| Mars Electric OH | Wholesale Trade | 0 | — | C |
| Mars Energy Group, Inc. CA | Professional & Technical Services | 1 | $250,000 | — |
| Mars Energy Group, Inc. (fka NewGen Holdings, Inc.) CA | Professional & Technical Services | 1 | $250,000 | — |
| Mars Fishcare PA | Manufacturing | 0 | — | A |
| Mars Food MS | Manufacturing | 0 | — | B |
| Mars Food North America CA | — | 0 | — | — |
| Mars Horsecare OH | Manufacturing | 0 | — | C |
| Mars Information Services, Inc. NJ | Information & Media | 1 | $170,241 | — |
| MARS IT Corp. WI | Professional & Technical Services | 2 | $141,555 | — |
| MARS PARTNERS, INC. NJ | Professional & Technical Services | 1 | $104,000 | — |
| Mars Petcare AR | Manufacturing | 0 | — | A |
| Mars Petcare IL | Manufacturing | 0 | — | B |
| Mars Petcare MO | Manufacturing | 0 | — | A |
| Mars Petcare NC | Manufacturing | 0 | — | B |
| Mars Petcare NE | Manufacturing | 0 | — | C |
| Mars Petcare OH | Manufacturing | 0 | — | A |
| Mars Petcare TX | Manufacturing | 0 | — | B |
| Mars Petcare WI | Manufacturing | 0 | — | D |
| Mars Petcare US, Inc. AR | Manufacturing | 0 | — | A |
| Mars Petcare US, Inc. AZ | Wholesale Trade | 0 | — | A |
| Mars Petcare US, Inc. CA | Manufacturing | 0 | — | F |
| Mars Petcare US, Inc. MO | — | 0 | — | — |
| Mars Petcare US, Inc. NV | Manufacturing | 0 | — | F |
| Mars Petcare US, Inc. SC | Manufacturing | 0 | — | A |
| Mars Petcare US, Inc. TN | Manufacturing | 1 | $150,251 | — |
| Mars Super Markets, Inc. MD | — | 0 | — | — |
| MARS TECH SOLUTIONS LLC NJ | Professional & Technical Services | 2 | $121,000 | — |
| MARS TECHNOMINDS INC TX | Professional & Technical Services | 3 | $83,266,333 | — |
| Mars Wrigley IL | — | 0 | — | — |
| MARS WRIGLEY CONFECTIONERY LLC KS | Manufacturing | 0 | — | B |
| Mars Wrigley Confectionery US, LLC AR | Wholesale Trade | 0 | — | A |
| Mars Wrigley Confectionery US, LLC GA | Manufacturing | 0 | — | B |
| Mars Wrigley Confectionery US, LLC IL | Manufacturing | 0 | — | B |
| Mars Wrigley Confectionery US, LLC KS | Manufacturing | 0 | — | C |
| Mars Wrigley Confectionery US, LLC NJ | Manufacturing | 0 | — | C |
| Mars Wrigley Confectionery US, LLC NV | Manufacturing | 0 | — | A |
| Mars Wrigley Confectionery US, LLC OH | Wholesale Trade | 0 | — | A |
| Mars Wrigley Confectionery US, LLC PA | Manufacturing | 0 | — | B |
| Mars Wrigley Confectionery US, LLC TN | Manufacturing | 0 | — | B |
| Mars Wrigley Confectionery US, LLC TX | Manufacturing | 0 | — | A |
| Mars, Incorporated VA | Manufacturing | 1 | $210,000 | — |
| MARSA, INC. PA | Construction | 0 | — | F |
| Marsam Metal Finishing Company CT | Manufacturing | 0 | — | A |
| Marsam Metalfab Inc OH | Manufacturing | 0 | — | F |
| Marsan & Son Enterprises DBA Carpenter & Costin VT | Administrative & Waste Services | 0 | — | F |
| Marschel Wrecking LLC MO | Construction | 0 | — | A |
