| Business | Phone |
| Design West Engineering 1845 Business Center Dr # 215, San Bernardino 92408 | (909) 890-3700 |
| John Mejia 370 W 6th St # 210, San Bernardino 92401 | (909) 889-9708 |
| Equityspec Consulting Engrs 4508 N Sierra Way # 115, San Bernardino 92407 | (909) 881-7278 |