| Business | Phone |
| Bnl Precision Machining Inc 2630 Townsgate Rd # F, Westlake Village 91361 | (805) 374-1391 |
| Creative Engineering Concepts 31125 Via Colinas, Westlake Village 91362 | (818) 865-9106 |
| L R Precision 2552 Featherwood St, Westlake Village 91362 | (805) 531-9870 |
| Proto-Works Inc 31316 Via Colinas # 113, Westlake Village 91362 | (818) 879-1878 |