| Business | Phone |
| Chan Associates 105 Florence Ct, Alamo 94507 | (925) 831-9732 |
| Craig Group 1836 Fallbrook Dr, Alamo 94507 | (925) 831-4983 |
| Garcia Development 112 Warwick Ct, Alamo 94507 | (925) 935-1964 |
| J W Jamieson 1642 Las Trampas Rd, Alamo 94507 | (925) 838-9394 |
| Margaret Shannon Designs 391 Bryan Dr, Alamo 94507 | (925) 837-2243 |
| Techsynergy 3195 Danville Blvd, Alamo 94507 | (925) 855-4390 |
| Vacua Techniques Co Po Box 212, Alamo 94507 | (925) 939-3455 |
| Wee & Wee 3008 Oakraider Dr, Alamo 94507 | (925) 838-4618 |