Group
- Moonshine Empire1
- Moonshot Games58
- Moosetache Games91
- Moratia Games37
- Morning2
- Morningstar1
- Morningstar Inc1
- Morrigan Press Inc.2
- Morris-Butler House4
- Morris-Butler House Museum2
- Mosaic Seminars1
- Motley Kids405
- Mount Tiki Games2
- Move Rate 20 Games16
- Mr B Games9
- Mr.3
- Mr. B. Games63
- Mr. B. Games/ L4 Studios3
- Mrozekma5
- Mrs. Kraken Presents33