| Business | Phone |
| Aero-Dyne Supply Co 474 Whitney St, San Leandro 94577 | (510) 562-0657 |
| Bay Aviation Inc 1956 Williams St, San Leandro 94577 | (510) 352-4258 |
| California Power Systems 790 139th Ave, San Leandro 94578 | (510) 357-2403 |
| Nor-Cal Supply Co 840 Doolittle Dr, San Leandro 94577 | (510) 569-3121 |
| Rolls Wood Group 14700 Doolittle Dr, San Leandro 94577 | (510) 635-1500 |
| Worldwide Filter 1685 Abram Ct, San Leandro 94577 | (510) 483-5122 |