| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | JA Armentièroise | Sports team | 1 |
| 2 | JA Vichy Auvergne | Sports team | 1 |
| 3 | Jääkarhut | Sports team | 1 |
| 4 | Jaboticabal Atlético | Sports team | 1 |
| 5 | Jacintoville United | Sports team | 1 |
| 6 | Jaciobá Atlético Clube | Sports team | 1 |
| 7 | Jackson Senators | Sports team | 1 |
| 8 | Jackson State Tigers | Sports team | 1 |
| 9 | Jacksonville Gamecocks | Sports team | 1 |
| 10 | Jacksonville State Gamecocks | Sports team | 1 |
| 11 | Jagiellonia Bialystok | Sports team | 2 |
| 12 | Jaguaarit | Sports team | 1 |
| 13 | Jaguares | Sports team | 1 |
| 14 | Jaguares de Tabasco | Sports team | 1 |
| 15 | Jamaica Cricket | Sports team | 1 |
| 16 | James Madison Dukes | Sports team | 2 |
| 17 | Jamestown Jammers | Sports team | 1 |
| 18 | Jamestown Jimmies | Sports team | 1 |
| 19 | Jamhuri | Sports team | 1 |
| 20 | Jandaia Esporte Clube | Sports team | 1 |