In House Gas
manufactures a range of nitrogen, hydrogen, zero air generators, air dryers, TOC generators, Purge Gas generators for most laboratory applications using high purity gases. Applications include GC, Mass Spec, FTIR, MMR, TOC Analysers
http://www.inhousegas.com/

Ingasco Incorporated
Industrial gas manufacturer of oxygen, nitrogen, argon, compressed air, and acetylene. Philippines.
http://www.ingasco.com

MVS Engineering Limited
Supplier in India of a variety of gas production equipment, including oxygen and nitrogen PSA's, membranes, hydrogen generators via electrolysis and ammonia cracking, and endo- and exo-gas generators, as well as compressed air drying systems.
http://www.mvsengg.com/

Airpac Oilfield Services
Airpac Oilfield Services specialise in the rental of rigsafe and zone II air compressors, booster compressors, steam generators and on-site nitrogen generation equipment for the global well test, offshore repair and maintenance, pipeline, underbalanced drilling, air drilling, cuttings transportation and chemical descaling markets
http://www.airpac.co.uk

Green Car Congress: Compressed Air Engines
News regarding compressed air or "air-hybrid" vehicle engines which recapture and store energy as compressed air.
http://www.greencarcongress.com/compressed_air_engines/index.html

CRYOFAB
Cryogenic equipment, dewars, vessels, vacuum insulated pipe, liquid nitrogen, helium, nitrogen
http://www.idealgraphics.com/cryofab/

WinArj
WinArj is a Windows Archiver for
http://www.winarj.net/

Stabilized Nitrogen Fertilizer Products from Agrotain International LLC
UMAXX and UFLEXX - nitrogen efficiency products for the international urea fertilizer market. Products for professional lawn care, golf course maintenance and specialty applications. Includes animated stabilized nitrogen cycle demo.
http://www.stabilizednitrogen.com

CompAir
CompAir, Hydrovane one of the worlds leading manufacturers of compressed air and gas systems, including the most efficient range of compressors on the market today.
http://www.compair.com/

Nitrogen fixation
This web site is not designed to be a comprehensive presentation on nitrogen fixation, but rather it is intended as a forum to present informative images that are not otherwise easily available.
http://academic.reed.edu/biology/Nitrogen/