| Business | Phone |
| Usis America Inc 4611 Bee Cave Rd, Austin 78746 | (512) 328-2424 |
| Weeks & Assoc 316 W 12th St 308, Austin 78701 | (512) 472-9989 |
| Tyler Mc Lennon 1601 Rio Grande St, Austin 78701 | (512) 482-5200 |
| Travis Investigations 711 Jewell St, Austin 78704 | (512) 447-6331 |
| Thomas Publications 9513 Burnet Rd 101, Austin 78758 | (512) 719-3595 |
| Robert Sutton & Co 4205 Oak Creek Dr, Austin 78727 | (512) 341-8100 |
| Peden Investigations 8760a Research Blvd 378, Austin 78758 | (512) 219-6256 |
| Private Security Investigation 5322 Manchaca Rd, Austin 78745 | (512) 462-9998 |
| Lee Mattingly & Assoc 600 W 9th St, Austin 78701 | (512) 263-2809 |
| Kelmar & Assoc 2553 Jackson Keller Rd # 200, Austin 78759 | (512) 342-0509 |
| Eyes Only Investigations 3600 N Hills Dr 104, Austin 78731 | (512) 217-8171 |
| Fred Ligarde & Assoc 4215 Woodway Dr, Austin 78731 | (512) 345-7337 |
| Gerald Adams & Assoc 8329 N Mo Pac Expy, Austin 78759 | (512) 502-9700 |
| Cervantes & Assoc Inc 814 San Jacinto Blvd, Austin 78701 | (512) 441-6743 |
| Choice Point Services 701 Brazos St 500, Austin 78701 | (512) 334-6244 |
| Citadel Investigations & Sec Austin 78746 | (512) 963-9232 |
| C W Investigations Inc Po Box 203633, Austin 78720 | (512) 335-3841 |
| Capital Area Crime Stoppers 715 E 8th St, Austin 78701 | (512) 921-5559 |
| Confidential Service 1400 E Rundberg Ln, Austin 78753 | (512) 834-8599 |
| Crown Investigation & Protctn 8222 N Lamar Blvd, Austin 78753 | (512) 339-6680 |
| Austin Polygraph Svc-R Snolnik Austin 78758 | (512) 576-8939 |
| Bates Investigations 4131 Spicewood Springs Rd J2, Austin 78759 | (512) 502-1111 |
| Ameritex Security 2800 S I H 35 201, Austin 78704 | (512) 442-7880 |
| Akin Investigations 316 W 12th St, Austin 78701 | (512) 477-2546 |
| Securitas Security Svc Usa Inc 313 E Rundberg Ln, Austin 78753 | (512) 835-4367 |
| John Horn Austin 78723 | (512) 320-0067 |
| Pollock Marine Surveyor 38 Autumn Oaks Dr, Austin 78738 | (512) 261-9955 |
| Ruffin & Assoc 1505 W No Loop Blvd, Austin 78756 | (512) 469-7666 |
| Adetect Investigations Austin 78737 | (512) 301-0105 |
| Arbiter Investigations 6503 Wolfcreek Pass, Austin 78749 | (512) 288-1926 |
| Eagle Investigations Po Box 91464, Austin 78709 | (512) 288-7240 |
| Investigations Unlimited Po Box 27798, Austin 78755 | (512) 502-2345 |
| John C Dunaway & Co Po Box 202102, Austin 78720 | (512) 835-5888 |
| Sage Investigations Llc Po Box 160161, Austin 78716 | (512) 328-6878 |
| Bustos Statewide Investigators 1602 E 7th St, Austin 78702 | (512) 462-9998 |
| Ceo Investigations 13509 Fitzhugh Rd, Austin 78736 | (512) 301-4760 |
| Cornerstone Information Svc 2211 S I H 35, Austin 78741 | (512) 383-9191 |
| Kimmons Investigative Services, Inc. 111 Congress Ave., Suite 400, Austin 78701 | (512) 300-3111 |