| MATERIALS MARKETING LTD MASTER CO | Retail Trade | 0 | — | A |
| MATERIALS MARKETING LTD MASTER GA | Retail Trade | 0 | — | A |
| MATERIALS MARKETING LTD MASTER IL | Retail Trade | 0 | — | A |
| MATERIALS MARKETING LTD MASTER OR | Retail Trade | 0 | — | A |
| MATERIALS MARKETING LTD MASTER TX | Retail Trade | 0 | — | A |
| Materials R Us, LLC NY | Administrative & Waste Services | 0 | — | A |
| Materials Transport Company KS | Transportation & Warehousing | 0 | — | A |
| Materials Transport Services CA | Transportation & Warehousing | 0 | — | D |
| MATERIALS TRANSPORTATION COMPANY TX | Manufacturing | 0 | — | F |
| Materion AZ | Manufacturing | 0 | — | A |
| Materion MA | Manufacturing | 0 | — | D |
| Materion NM | Manufacturing | 0 | — | A |
| Materion NY | Manufacturing | 0 | — | F |
| Materion OH | Manufacturing | 0 | — | C |
| Materion PA | Manufacturing | 0 | — | D |
| Materion RI | Manufacturing | 0 | — | F |
| Materion WI | Manufacturing | 0 | — | D |
| Materion Advanced Materials Technologies NY | Manufacturing | 0 | — | C |
| Materion Newton Inc MA | Manufacturing | 0 | — | F |
| Materne North America ID | Manufacturing | 0 | — | C |
| Mates Inc CA | Information & Media | 0 | — | F |
| Matesich Distributing Co OH | Wholesale Trade | 0 | — | D |
| MATEX HOSE AL | Manufacturing | 0 | — | A |
| Matha, Inc VA | Professional & Technical Services | 1 | $90,000 | — |
| Mathematica Inc. NJ | Professional & Technical Services | 1 | $131,300 | — |
| Matheny Motor Truck Company WV | Wholesale Trade | 0 | — | D |
| Mather AZ | Healthcare & Social Assistance | 0 | — | F |
| Mather IL | Healthcare & Social Assistance | 0 | — | F |
| Mather Corporation CT | Construction | 0 | — | A |
| Matherly Mechanical Contractors, LLC OK | Construction | 0 | — | C |
| Mathers Construction VA | Construction | 0 | — | C |
| Matheson CA | Manufacturing | 0 | — | B |
| Matheson MN | Wholesale Trade | 0 | — | A |
| Matheson Fast Freight, Inc. CA | — | 0 | — | — |
| Matheson Flight Extenders AR | Transportation & Warehousing | 0 | — | F |
| Matheson Flight Extenders CO | Transportation & Warehousing | 0 | — | C |
| Matheson Flight Extenders ID | Transportation & Warehousing | 0 | — | A |
| Matheson Flight Extenders KS | Transportation & Warehousing | 0 | — | C |
| Matheson Flight Extenders MO | Transportation & Warehousing | 0 | — | A |
| Matheson Flight Extenders MT | Transportation & Warehousing | 0 | — | F |
| Matheson Flight Extenders NM | Manufacturing | 0 | — | F |
| Matheson Flight Extenders NV | Transportation & Warehousing | 0 | — | F |
| Matheson Flight Extenders OR | — | 0 | — | — |
| Matheson Flight Extenders, Inc. CA | — | 0 | — | — |
| Matheson Flight Extenders, Inc. GA | — | 0 | — | — |
| Matheson Flight Extenders, Inc. MA | — | 0 | — | — |
| Matheson Flight Extenders, Inc. MD | — | 0 | — | — |
| Matheson Flight Extenders, Inc. PA | — | 0 | — | — |
| Matheson Flight Extenders, Inc. TX | — | 0 | — | — |
| Matheson Postal Services ID | — | 0 | — | — |
