- 3Dlens Corporation - Manufacturer of optical Fresnel lenses.
- Ability Opto-Electronics Technology Co. Ltd. - Manufacturer of lenses and filters for scanners, bar code readers, cameras, and TVs.
- Applied Optics, Inc. - Custom manufacturer of laser quality optical lenses, achromats, prisms, filters, windows and mirrors.
- Beijing 608 Factory - Produces optical spectacle lens and optical lens.
- Coastal Optical - Designs and builds custom precision optical assemblies like projection lenses, camera lenses and telescope assemblies. Standard products include CoastalOpt(tm) Fisheye lenses.
- Commercial Optical Inc. - Custom lense manufacturer.
- Complete Optical Solutions - Providing optical design, lens design, optical engineering and consulting services.
- Contour Metrological & Manufacturing, Inc. - High precision diamond turning, optical machining, and CAM countour machining.
- Doric Lenses Inc. - Production and design of micro-optics components
- Gemini Optics - Lens design, optical system design, illumination design, aspheres, precision lens assemblies, aspheric and diffractive components.
- Genius Electronic Optical Co., Ltd. - Manufacturer of camera lens, viewfinders, laser pointer lens, bar code reader lens, scanner lens, CCTV lens, telescope lenses, and magnifiers.
- Harold Johnson Optical Laboratories, Inc. - Custom manufacturer of cylindrical and spherical lenses, prisms, mirrors, domes, flats, wedges and beamsplitters.
- Hengwen Optics - Fresnel lens manufacturer.
- Kinko Optical Co., Ltd. - Manufacturer of camera lenses, digital camera lenses, bar code and scanner lenses.
- Klarmann Rulings, Inc - Manufactures custom and standard reticles, optical sightings, precision optical patterns, stage micrometers, filter glass, pinholes, apertures, comparator screens, and optical fabrication.
- LNSYS - Specialises in optical design, systems design, custom solutions for optical instrumentation.
- Marmore Inc. - Optical lab machinery and equipment for the production of ophthalmic lenses.
- Omek Optics - Optical design and engineering services.
- Reflexite Corporation - Manufacturer of custom infrared lenses and infrared lens arrays for use instrumentation optics.
- Resolve Optics Ltd - Design, development and manufacture of optical lenses.
- Science-Vision - Design and production of optical elements and lens systems of all kinds with focus on DMD, DLP, and UV imaging technology.
- WECO UK - Optical equipment for lens finishing, automatic lensmeters, and edgers.
