| Business | Phone |
| Taschenberg Vocational Cnltng 1430 Willow Pass Rd # 145, Concord 94520 | (925) 677-5066 |
| Contreras Vocational Consult 3330 Clayton Rd # C, Concord 94519 | (925) 687-3071 |
| Dennis Contreras Vocational 3330 Clayton Rd, Concord 94519 | (925) 687-1309 |
| Taschenberg Vocational Cnltng 1430 Willow Pass Rd # 145, Concord 94520 | (925) 998-3777 |