| Business | Phone |
| Frame Design Group Inc 14144 Ventura Blvd # 101, Sherman Oaks 91423 | (818) 971-3737 |
| Seismic Design Consultants Inc 14930 Ventura Blvd # 230, Sherman Oaks 91403 | (818) 382-1340 |
| Steven W Mezey & Assoc 15230 Burbank Blvd # 105, Sherman Oaks 91411 | (818) 908-1554 |
| Structural Design Plus 15053 Ventura Blvd # 205, Sherman Oaks 91403 | (818) 905-9871 |
| Anm Engineering Inc 15335 Morrison St, Sherman Oaks 91403 | (818) 981-0000 |