| Business | Phone |
| Better Business Bureau 510 16th St # 550, Oakland 94612 | (510) 238-1000 |
| Just Cause 2485 W 14th St, Oakland 94607 | (510) 763-5877 |
| Public Citizen 1615 Broadway, Oakland 94612 | (510) 663-0888 |
| Service Ratings 360 22nd St # 720, Oakland 94612 | (510) 271-6730 |
| Transfair Usa 1611 Telegraph Ave # 900, Oakland 94612 | (510) 663-5260 |