| Mirea Corporation | |
| Mireene | Seoul |
| Miso, Inc. | |
| MLsoft Co. | Seoul |
| MNCS Korea | |
| MOAIS Co., Ltd | Seoul |
| MOAlifeplus Co., Ltd | |
| Moasoftware | Seoul |
| Mobilint, Inc. | Seoul |
| Mobiltech Co., Ltd | |
| MockingBird, Inc. | |
| Modu Labs | Seoul |
| Mofin Co., Ltd | Seoul |
| Mogam Institue for Biomedical Research | |
| MOIN, Inc. | Seoul |
| Mokpo Catholic University | |
| Mokpo National University | |
| Mokpo Science University | |
| Mokwon University | |
| MONITORAPP, Inc. | |
| Mopiens, Inc. | Seoul |
| MORAI, Inc. | |
| Motion High Tech Co., Ltd | Gyeonggi |
| MOVENSYS, Inc. | |
| Mthera Pharma | |
| MultimediaLink, Inc. | Gyeonggi |
| Munkyung College | |
| Mutec Korea Co., Ltd | Seoul |
| MVTech Co., Ltd | Gyeonggi |
| MxT Biotech | |
| My Workspace Co., Ltd | Seoul |
| MYKC | Seoul |
| Myongji College | |
| Myongji University | |
| N.THING | Seoul |
| N2SOFT | Gyeonggi |
| Naddic Games Co., Ltd | Seoul |
| Naju College | |
| NALBI, Inc. | |
| Nambu University | |
| Namu AI | Seoul |
| NanoEntek | |
| NanoHelix Co., Ltd | |
| NANOTECH, Inc. | Gyeonggi |
| Nansoft Co., Ltd | Seoul |
| Nanum Tech Co., Ltd | Gwangju |
| NAONWORKS Co., Ltd | |
| Nara Information Co., Ltd | Seoul |
| Narae Nanotech Corporation | Gyeonggi |
| National Academy of Engineering of Korea | Seoul |