| Business | Phone |
| Bowe & Assoc 4005 S Irby St, Kennewick 99337 | (509) 582-8420 |
| Casey Investigation 8424 W Gage Blvd, Kennewick 99336 | (509) 734-0431 |
| Graystone Investigations 7513 W Kennewick Ave, Kennewick 99336 | (509) 735-1341 |
| Mike's Investigative Svc 727 S Dennis St, Kennewick 99336 | (509) 582-5062 |