Marmore Inc.
- Optical lab machinery and equipment for the production of ophthalmic lenses.
- http://www.opticalmachinery.com/

LNSYS
- Specialises in optical design, systems design, custom solutions for optical instrumentation.
- http://www.lnsys.co.uk

Commercial Optical Inc.
- Custom lense manufacturer.
- http://www.commercialoptical.com

WECO UK
- Optical equipment for lens finishing, automatic lensmeters, and edgers.
- http://www.weco-uk.com

Harold Johnson Optical Laboratories, Inc.
- Custom manufacturer of cylindrical and spherical lenses, prisms, mirrors, domes, flats, wedges and beamsplitters.
- http://www.hjol.com

3Dlens Corporation
- Manufacturer of optical Fresnel lenses.
- http://www.3dlens.com

Klarmann Rulings, Inc
- Manufactures custom and standard reticles, optical sightings, precision optical patterns, stage micrometers, filter glass, pinholes, apertures, comparator screens, and optical fabrication.
- http://www.reticles.com/

Contour Metrological & Manufacturing, Inc.
- High precision diamond turning, optical machining, and CAM countour machining.
- http://www.cmmoptic.com/index.html

Gemini Optics
- Lens design, optical system design, illumination design, aspheres, precision lens assemblies, aspheric and diffractive components.
- http://www.gemini-optics.com

Omek Optics
- Optical design and engineering services.
- http://www.omekoptics.com

Hengwen Optics
- Fresnel lens manufacturer.
- http://fresneloptic.com

Resolve Optics Ltd
- Design, development and manufacture of optical lenses.
- http://www.resolveoptics.com

Applied Optics, Inc.
- Custom manufacturer of laser quality optical lenses, achromats, prisms, filters, windows and mirrors.
- http://www.applied-optics.com

Doric Lenses Inc.
- Production and design of micro-optics components
- http://www.doriclenses.com

Ability Opto-Electronics Technology Co. Ltd.
- Manufacturer of lenses and filters for scanners, bar code readers, cameras, and TVs.
- http://www.toplens.com.tw/

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.
- http://www.geniusoptical.com/

Beijing 608 Factory
- Produces optical spectacle lens and optical lens.
- http://www.bj608.com/

Complete Optical Solutions
- Providing optical design, lens design, optical engineering and consulting services.
- http://www.completeoptical.com

Reflexite Corporation
- Manufacturer of custom infrared lenses and infrared lens arrays for use instrumentation optics.
- http://www.instrumentation-optics.com

Science-Vision
- Design and production of optical elements and lens systems of all kinds with focus on DMD, DLP, and UV imaging technology.
- http://www.science-vision.at/english/

Kinko Optical Co., Ltd.
- Manufacturer of camera lenses, digital camera lenses, bar code and scanner lenses.
- http://www.kinko-optical.com/

Coastal Optical
- Designs and builds custom precision optical assemblies like projection lenses, camera lenses and telescope assemblies. Standard products include CoastalOpt(tm) Fisheye lenses.
- http://www.coastalopt.com/