| Business | Phone |
| Southwest Educational Dev Lab 211 E 7th St 200, Austin 78701 | (512) 476-6861 |
| Human Factors Research Project 1609 Shoal Creek Blvd 200, Austin 78701 | (512) 480-9997 |
| Ncs Pearson-Atr 905 W Howard Ln, Austin 78753 | (512) 989-0077 |
| Academic Information Mgmt Inc 8902 W View Rd, Austin 78737 | (512) 301-2887 |