| Microchip Technology Inc MI | Manufacturing | 0 | — | A |
| Microchip Technology Inc OR | Manufacturing | 0 | — | D |
| Microchip Technology Inc. AL | Manufacturing | 0 | — | A |
| Microchip Technology Inc. AZ | Manufacturing | 28 | $109,356 | B |
| Microchip Technology Inc. CA | Manufacturing | 0 | — | C |
| Microchip Technology Inc. CO | Manufacturing | 0 | — | C |
| Microchip Technology Inc. CT | Manufacturing | 0 | — | D |
| Microchip Technology Inc. MA | Manufacturing | 0 | — | D |
| Microchip Technology Inc. NJ | Manufacturing | 0 | — | A |
| Microchip Technology Inc. NY | Manufacturing | 0 | — | A |
| Microchip Technology Inc. PA | Manufacturing | 0 | — | A |
| Microchip Technology Inc. TX | Manufacturing | 0 | — | A |
| Microcision, LLC. NJ | Manufacturing | 0 | — | F |
| MicroConnex WA | Manufacturing | 0 | — | A |
| Microdental Laboratories, Inc AZ | Manufacturing | 0 | — | A |
| Microdental Laboratories, Inc CA | Manufacturing | 0 | — | F |
| Microdental Laboratories, Inc KY | Manufacturing | 0 | — | A |
| Microdental Laboratories, Inc MI | Manufacturing | 0 | — | A |
| Microdental Laboratories, Inc MN | Manufacturing | 0 | — | F |
| Microdental Laboratories, Inc NY | Manufacturing | 0 | — | F |
| Microdental Laboratories, Inc TX | Manufacturing | 0 | — | A |
| Microdental Laboratories, Inc WA | Manufacturing | 0 | — | F |
| Microdyne Plastics, Inc CA | Manufacturing | 0 | — | F |
| Microfabrica, Inc. CA | Manufacturing | 1 | $147,118 | — |
| Microfinish Co., Inc. MO | Manufacturing | 0 | — | A |
| Microfinish IPC, LLC MO | Manufacturing | 0 | — | F |
| Microfinish LLC OH | Manufacturing | 0 | — | D |
| Microflex Inc. FL | Manufacturing | 0 | — | F |
| Microgen Health Inc VA | Healthcare & Social Assistance | 1 | $131,976 | — |
| MICROGIG INC TX | Professional & Technical Services | 1 | $88,150 | — |
| MicroInfo Inc TX | Professional & Technical Services | 6 | $102,950 | — |
| MICROINFO IT INC TX | Professional & Technical Services | 2 | $105,987 | — |
| Microland Limited GA | Professional & Technical Services | 17 | $95,473 | — |
| Microline Surgical, Inc. MA | Manufacturing | 0 | — | F |
| Microline Technology Corporation MI | — | 0 | — | — |
| Micrologic Associates NJ | Wholesale Trade | 1 | $180,000 | — |
| Microman Inc. OH | Real Estate | 1 | $85,000 | — |
| Micromatic LLC IN | Manufacturing | 0 | — | B |
| microMEDIA Imaging Systems Inc. NY | — | 0 | — | — |
| Micromeritics Instrument Corporation GA | Manufacturing | 0 | — | C |
| Micrometl TX | Manufacturing | 0 | — | F |
| MicroMetl Corporation IN | Manufacturing | 0 | — | F |
| MicroMetl Corporation NV | Manufacturing | 0 | — | F |
| Micron Idaho Semiconductor Manufacturing (Triton) LLC ID | Manufacturing | 9 | $121,556 | — |
| Micron INC. VA | Manufacturing | 0 | — | C |
| Micron Manufacturing Company MI | Manufacturing | 0 | — | F |
| Micron Metal Finishing IL | Manufacturing | 0 | — | F |
| Micron Precion GA | Manufacturing | 0 | — | A |
| Micron Precision AL | Manufacturing | 0 | — | A |
| Micron Precision Machining MI | Manufacturing | 0 | — | A |
