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

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

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

Infrared Solutions
Low cost infrared cameras for use in predictive/preventive maintenance and other IR applications requiring highly accurate temperature measurements.
http://www.infraredsolutions.com/

Extreme CCTV
Manufactures video surveillance cameras for explosive, wet, and corrosive environments as well as infrared cameras and illuminators for total darkness performance.
http://www.ExtremeCCTV.com/

Videology
Videology Imaging Solutions, Inc. is an ISO 9001 registered manufacturer of video cameras for industrial, machine vision, biometric, aerospace, surveillance, IT, IP, and specialty OEM markets. Videology designs, develops, manufactures, and distributes image acquisition, display, and networked imaging technologies to OEMs worldwide.
http://videologyinc.com

Videology
Videology Imaging Solutions, Inc. is an ISO 9001 registered manufacturer of video cameras for industrial, machine vision, biometric, aerospace, surveillance, IT, IP, and specialty OEM markets. Videology designs, develops, manufactures, and distributes image acquisition, display, and networked imaging technologies to OEMs worldwide.
http://videologyinc.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/

Cantronic Systems Inc
Cantronic Systems Inc. is a leading designer, manufacturer and marketer of infrared thermal imaging cameras and CCTV systems and other CCTV products for demanding security applications. Our infrared imaging cameras, active and passive infrared CCTV camera systems for security surveillance and nondestructive testing. Our night vision active infrared CCTV camera is unique. The ThermalRanger 2000 is a passive thermal imaging CCTV camera ideal for perimeter security. Our product IR 860M and Fever Scan M3000 can be used as mass screening devices for SARS.
http://www.cantronics.com

Flir Systems
FLIR Systems Inc. -The largest selection of Night Vision, thermal imaging systems, infrared cameras, IR detectors for government, commercial, and industrial use.
http://www.flir.com/