| Business | Phone |
| Aspen Engineering & Cns Mg Svc 879 W 190th St # 400, Gardena 90248 | (310) 217-4009 |
| Nelson & Belding Contracting 17626 S Broadway St, Gardena 90248 | (310) 527-6200 |
| Ryco Construction 431 W 164th St, Gardena 90248 | (310) 324-1151 |
| Dismon Corp 1101 W 190th St, Gardena 90248 | (310) 225-3704 |
| High Speed Engineering 17800 S Main St, Gardena 90248 | (310) 323-7014 |
| Koury Engineering 17800 S Main St, Gardena 90248 | (310) 818-0116 |
| Davoral Engineering 1632 W 134th St, Gardena 90249 | (310) 767-1627 |
| Masters Contracting Corp 13210 Purche Ave, Gardena 90249 | (310) 329-7306 |
| Lmc Engineering 1311 W 130th St, Gardena 90247 | (310) 715-2348 |