| Business | Phone |
| Twia Professional Consultant 4009 Sw 39th Ter, Topeka 66610 | (785) 266-2164 |
| Agape Investigations Po Box 67601, Topeka 66667 | (785) 267-0060 |
| All Background Checks Topeka 66603 | (785) 357-0281 |
| Atlas-Viking Investigations 110 Se 8th Ave, Topeka 66603 | (785) 234-2979 |
| Regal Investigations 1409 Sw Armagh St, Topeka 66611 | (785) 266-2499 |
| Research Information Svc 2201 Ne Meriden Rd, Topeka 66608 | (785) 235-6767 |
| Silver Bullet Investigation 2145 Ne 56th St, Topeka 66617 | (785) 230-1117 |
| Patterson Investigations 3436 Se Highland Ave, Topeka 66605 | (785) 266-7604 |