| Business | Phone |
| Check Your Mate Investigations Po Box 2151, Butler 16003 | (724) 285-6206 |
| Empire Investigation 116 Wyncrest Dr, Butler 16001 | (724) 283-4797 |
| Hunter Investigative Svc 125 Fared Dr, Butler 16001 | (724) 282-7798 |
| Star Security Detective Agency 172 N Duffy Rd, Butler 16001 | (724) 287-8470 |