| Business | Phone |
| Crawford Development Inc 3832 Somerset Ave, Castro Valley 94546 | (510) 881-7856 |
| Crowell Canyon Ranch 10970 Crow Canyon Rd, Castro Valley 94552 | (510) 728-4361 |
| Gaukroger Enterprises 20211 Patio Dr # 230, Castro Valley 94546 | (510) 581-7251 |
| Sherwood & Co Po Box 2673, Castro Valley 94546 | (510) 582-3666 |