| Business | Phone |
| America West Investigative Svc 10035 E Dartmouth Ave, Lakewood 80215 | (303) 274-2622 |
| American Research Bureau 2109 S Wadsworth Blvd # 3, Lakewood 80227 | (303) 980-0955 |
| T Decker Investigations 98 Wadsworth Blvd # 127, Lakewood 80226 | (303) 237-6007 |
| Delphic Information 6911 Lakewood Pl, Lakewood 80214 | (303) 239-1411 |
| Dickerson Financial Invstgtion 215 Union Blvd # 315, Lakewood 80228 | (303) 864-9900 |
| R & D Agency 390 Union Blvd, Lakewood 80228 | (303) 988-8400 |
| National Assn Of Investigators 215 Union Blvd # 150, Lakewood 80228 | (303) 864-1999 |
| Merica & Assoc Po Box 28025, Lakewood 80228 | (303) 987-1605 |
| Leuthauser Inc Lakewood 80228 | (303) 980-0880 |