- D S Investigative Svc
- Denver B Moore & Assoc
- Fleming Investigations
- Gaslamp Quarter Investigations
- John Ballard Investigations
- Kitchel Investigations
- Liuzzi Investigative Svc
- Mango PI Investigations
- Manny Lopez & Assoc
- Mark Musgrove
- Martino & Assoc
- Pendragon Group
- Process Plus Inc
- S D Mendenhall & Assoc
- SBR Investigations & Cnsltng
- Stevens Investigations