| Business | Phone |
| Authorized Testing Inc 2522 Kansas Ave, Riverside 92507 | (951) 682-4110 |
| Inland Inspections & Consltng 231 E Alessandro Blvd # A283, Riverside 92508 | (951) 776-1981 |
| All American Inspection 3243 Arlington Ave # 312, Riverside 92506 | (951) 682-0500 |
| Canyon Testing 16801 Van Buren Blvd, Riverside 92504 | (951) 789-6997 |
| L K Tool Inc Riverside 92503 | (951) 662-5140 |
| Team Inspections 1131 Coronet Dr, Riverside 92506 | (951) 776-0786 |
| Wayne Padgett Inspection Svc 3026 Mumford Ave, Riverside 92503 | (951) 358-0363 |
| Usa Inspections 7900 Limonite Ave # G266, Riverside 92509 | (951) 788-8163 |