| Business | Phone |
| Diablo Investment Co 2251 Alvarado St, San Leandro 94577 | (925) 855-0104 |
| Donald L Jones Co 2081 Adams Ave, San Leandro 94577 | (510) 562-2580 |
| E F Communities Inc 2406 Merced St, San Leandro 94577 | (510) 618-5696 |
| Hawaii & San Francisco Dev Co 15311 Hesperian Blvd, San Leandro 94578 | (510) 278-6301 |
| J B East Bay Development Corp 2406 Merced St, San Leandro 94577 | (510) 618-5692 |
| J B Valley Development 2406 Merced St, San Leandro 94577 | (510) 618-5693 |
| Lsw Co 1155 E 14th St, San Leandro 94577 | (510) 895-8464 |
| Mayer Development Co 537 Santa Ynez, San Leandro 94579 | (510) 352-7887 |
| Qronis Ventures Corp San Leandro 94577 | (510) 483-2359 |
| Reynolds & Brown 2404 Merced St, San Leandro 94577 | (510) 351-4930 |