| Business | Phone |
| Brain Workout Ctr 8006 E Arapahoe Rd # 30, Centennial 80112 | (303) 691-0882 |
| Learning Edge 7200 E Dry Creek Rd # D200, Centennial 80112 | (303) 770-0029 |
| Learning Rx 7500 E Arapahoe Rd # 310, Centennial 80112 | (720) 529-0780 |
| Sylvan Learning Ctr 8200 S Quebec St # A12, Centennial 80112 | (303) 220-8607 |