| Business | Phone |
| J D Power & Assoc 2625 Townsgate Rd, Westlake Village 91361 | (805) 418-8000 |
| Market Scan Information Inc 31416 Agoura Rd # 110, Westlake Village 91361 | (818) 707-8338 |
| Smithgeiger 31365 Oak Crest Dr # 150, Westlake Village 91361 | (818) 707-3086 |
| Travis Research Assoc Inc 860 Hampshire Rd # P, Westlake Village 91361 | (805) 379-0774 |
| Xenologix Inc 340 N Westlake Blvd, Westlake Village 91362 | (805) 495-7171 |