| Business | Phone |
| Aes Pro Investigative 5275 W 64th Ave, Arvada 80003 | (303) 657-5322 |
| Terry Foulke & Assoc 5274 Taft Ct, Arvada 80002 | (303) 420-5171 |
| Tidyman & Assoc 11646 W 74th Way, Arvada 80005 | (303) 940-8776 |
| Capitol Detective Agency 8175 Sheridan Blvd # 216, Arvada 80003 | (303) 463-4731 |
| Cinquanta's Pro Investigators Po Box 1343, Arvada 80001 | (303) 423-9846 |
| Michael Alan Inc 7878 W 80th Pl, Arvada 80005 | (303) 940-9579 |