| Business | Phone |
| California Bookkeeping Svc 4505 Tokay Dr, Oakley 94561 | (925) 679-1840 |
| Alice Ott Bookkeeping Svc 20 Macy Ln, Oakley 94561 | (925) 679-0413 |
| Analytical Bookkeeping Svc Inc 1033 Main St, Oakley 94561 | (925) 756-0768 |
| Small Business Solutions Oakley 94561 | (925) 625-8675 |
| Tercels 1245 Quail Valley Run, Oakley 94561 | (925) 625-2277 |