ULO Optics Ltd
- Manufacturer of CO2 laser optics and beam delivery systems for industrial and scientific applications.
- http://www.ulooptics.com

II-VI Infrared
- Infrared optics business unit of II-VI Inc.
- http://www.iiviinfrared.com

XenICs
- Design and manufacturing of linescan and focal plane array (FPA) near-infrared (NIR) and thermal imaging sensors for integration in spectroscopy and camera systems.
- http://www.xenics.com/

Ophir Optronics
- Infra-red components.
- http://www.ophiropt.com/company.htm

Indigo Systems Corp.
- Designs, develops, and manufactures thermal imaging infrared sensors & cameras.
- http://www.indigosystems.com

Sierra Pacific Innovations
- Thermal infrared imaging.
- http://www.x20.org/

Microtech Instruments, Inc.
- Offers polarizers and lenses for far-infrared, terahertz and sub-millimeter waves.
- http://www.mtinstruments.com

Raytheon
- Applications and equipment for infrared technology.
- http://www.thermal-eye.com

Janos Technology
- Designs and manufactures custom infrared optics, optical systems and assemblies.
- http://www.janostech.com/

Infratech
- Infrared thermograph service to industry and commerce.
- http://www.infratech.ltd.uk/

Flir Systems
- Infrared cameras design.
- http://www.flir.com/

Lumatec
- Infrared coagulators.
- http://www.lumatec.de

Cantronic Systems Inc
- Infrared thermography cameras.
- http://www.cantronics.com

Cedip Infrared Systems
- Infrared systems and solutions.
- http://www.cedip-infrared.com