• Brain Power Inc online catalog and guide to BPI's range of optical dyes, instruments, and chemicals.

• ColorView Lenses produces specialized eyeglass lenses to help people with congenital red-green color deficiency to distinguish colors more easily.

• CustomEyes manufactures Ultra-One and other optical lenses.

• Eyewear Zone supplies optical products, specializing in eyewear.

• Harold Johnson Optical Laboratory custom optics for commercial, research, and mil-spec applications.

• Indo Industrias De ?ptica

• SOLA International Designs, manufactures, and distributes eyeglass lenses, primarily for the plastic lens segment of the market. Site includes information for optical professionals and consumers.

• Transitions Lenses offer prescription lenses that lighten and darken as the light changes.

• Wha Shin Korea Vision Co., Ltd makers of plastic optical lenses.

• X-Cel Optical Company manufacturer of ophthalmic lenses for the eyeglass industry.