| Business | Phone |
| Benchmark Real Estate Co 2725 E Pacific Coast Hwy, Signal Hill 90755 | (562) 597-4447 |
| Benchmark Real Property Mgmt C 2669 Myrtle Ave, Signal Hill 90755 | (562) 997-9594 |
| Las Brisas Community Housing 2399 California Ave, Signal Hill 90755 | (562) 427-7589 |
| Ps Business Parks 2599 E 28th St # 202, Signal Hill 90755 | (562) 421-6100 |