| Business | Phone |
| Advanced Optical Systems 1236 Norwalk Rd, Salt Lake City 84123 | (801) 971-3955 |
| Insight Contact Lens Lab Inc 2470 S 1700 E, Salt Lake City 84106 | (801) 486-8228 |
| Intermountain Anti-Reflective 1877 S 3230 W, Salt Lake City 84104 | (801) 973-7711 |