- Acuity Pro
- Amcon Business Products
- Belrose Refracting Equipment Co
- Carl Zeiss Meditec, Inc.
- EMS / VSI
- EyeQuip
- First Insight Corporation
- Good-Lite
- Haag-Streit USA
- Heidelberg Engineering
- Instruments for Vision
- Lombart Instruments
- Marco Ophthalmic, Inc.
- Ocular Instruments, Inc.
- Oculus, Inc.
- Ophthalmic Brokers
- Optopol
- Pacific Ophthalmic Supply
- Quantel Medical
- Reichert Technologies
- Shin-Nippon
- Sightpath Medical
- Stereo Optical Co, Inc.
- Synemed, Inc.
- TelScreen
- Tomey
- Topcon
- IBEX EYE
- U.S. Ophthalmic
- Veatch Ophthalmic Instruments
- Vision Equipment, Inc.
- Walman
- Welch-Allyn
- Woodlyn, Inc.