| Business | Phone |
| Institute Of Reading Dev Oklahoma City 73102 | (405) 235-1022 |
| Literacy Link 8143 E Reno Ave, Oklahoma City 73110 | (405) 732-2737 |
| Multisensory Reading Tools 7220 Melrose Ln, Oklahoma City 73127 | (405) 787-3940 |
| Oklahoma City Literacy Council 300 Park Ave, Oklahoma City 73102 | (405) 232-3780 |
| Prometric Testing 2224 Nw 50th St # 196, Oklahoma City 73112 | (405) 843-8378 |