FLIR Infrared Camera Systems, Inc.
FLIR is the global leader in thermal imaging infrared cameras. Manufacturing a wide range of thermal imagers, thermal imaging cameras and infrared cameras for many industries and applications.
http://www.goinfrared.com

Infrared Development Corporation
Infrared radiation blackbody, blackbody radiation sources and infrared detector preamplifiers. Manufacturer of Infrared Blackbody Systems: blackbody radiation sources & infrared detector preamplifiers
http://www.infraredsystems.com

Infrared Astronomy
All about infrared astronomy from NASA's infrared astronomy center: Discovery of infrared, what is infrared and infrared astronomy, history, the infrared universe, gallery, activities, discoveries, missions and a lot of links to IR astronomy sites.
http://coolcosmos.ipac.caltech.edu/cosmic_classroom/ir_tutorial/

DIAS Infrared Systems
DIAS Infrared GmbH - Infrared Cameras, Pyrometers and Infrared Detectors, Manufacturing and Sales, Home
http://www.dias-infrared.com/

Infrared Astronomy
Maintained for grades 6 to 12 by NASA's Infrared Processing and Analysis Center (IPAC), this site introduces students to Infrared Astronomy and the detection and study of infrared radiation emitted from objects in the Universe.
http://coolcosmos.ipac.caltech.edu/cosmic_classroom/ir_tutorial/

CCI Thermal Technologies Inc.
CCI Thermal Technologies Inc. is a leader in the development and manufacturing of industrial heating and filtration solutions, featuring the Cata-Dyne™ (CataDyne), Ruffneck™, Caloritech™, Norseman™, DriQuik™ and 3L Filters™ brands. Products include explosion-proof heaters, infrared catalytic heaters, electric heaters, steam heaters, convection heaters, immersion heaters and flanged immersion heaters, unit heaters, duct heaters, air heaters, space heaters, line heaters and pipeline heaters, infrared ovens and finishing systems, boilers, thermostats, controls, filtration systems, heaters for transit applications and more.
http://www.ccithermal.com/

Land Infrared
Specialists in the design and manufacture of industrial infrared temperature measuring, linescanning and thermal imaging systems for non contact measurement in the range -50 to 3200 degrees Celsius.
http://www.landinst.com/infr/index.html

VIGO Systems
Detektory podczerwieni i aparatura pomiarowa.
http://www.vigo.com.pl

CompuscanIR
A division of Stockton Infrared Thermographic Services, Inc. Specialized infrared P/PM inspections on the electrical and mechanical systems that support the uninterrupted operation of computer centers.
http://compuscanir.com/

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