| NYSE | MHI | 64 |
| NYSE | MHK | 157 |
| NASDAQ | MHLD | 26 |
| NYSE | MHO | 53 |
| NYSE | MIC | 70 |
| NASDAQ | MICS | 53 |
| NASDAQ | MICT | 7 |
| NASDAQ | MIDD | 115 |
| NASDAQ | MIGI | 2 |
| NASDAQ | MILE | 1 |
| NASDAQ | MIME | 193 |
| NYSE MKT | MIMO | 9 |
| NYSE | MIN | 2 |
| NASDAQ | MIND | 6 |
| NASDAQ | MINDP | 1 |
| NASDAQ | MINM | 12 |
| NYSE | MIO | 40 |
| NYSE | MIR | 17 |
| NASDAQ | MIRA | 2 |
| NASDAQ | MIRM | 43 |
| NASDAQ | MIST | 17 |
| NASDAQ | MITK | 140 |
| NYSE | MITT | 21 |
| NYSE | MIXT | 63 |
| NYSE | MKC | 87 |
| NYSE | MKFG | 9 |
| NYSE | MKL | 181 |
| NASDAQ | MKSI | 180 |
| NASDAQ | MKTW | 32 |
| NASDAQ | MKTX | 128 |
| NYSE | ML | 65 |
| NASDAQ | MLAB | 159 |
| NYSE | MLI | 112 |
| NASDAQ | MLKN | 7 |
| NYSE | MLM | 104 |
| NYSE | MLNK | 24 |
| NYSE | MLP | 32 |
| NYSE | MLR | 25 |
| NASDAQ | MLTX | 15 |
| NASDAQ | MLVF | 108 |
| NASDAQ | MLYS | 32 |
| NASDAQ | MMAT | 29 |
| NYSE | MMC | 109 |
| NYSE | MMI | 233 |
| NASDAQ | MMLP | 383 |
| NYSE | MMM | 147 |
| NYSE | MMP | 44 |
| NYSE | MMS | 239 |
| NASDAQ | MMSI | 135 |
| NASDAQ | MMYT | 1 |