ENOTEC
ENOTEC One of the Leading Suppliers of InSitu Flue Gas Measuring and InSitu Analyser Systems, führend in der Entwicklung und Produktion von InSitu Sauerstoffmessungen und Emissionsmessungen
http://www.enotec.com

Aerox Oxygen Systems
Aerox Aviation Oxygen Systems specializes in aircraft oxygen systems, portable aircraft oxygen systems and accessories for the aviation industries and for first aid
http://www.aerox.com/

Oxigraf Inc.
Oxygen Analyzers: Oxigraf is YOUR source for fast laser diode oxygen analyzers and OEM oxygen sensors.
http://www.oxigraf.com/

Euthanex
Offers oxygen/isoflurane anesthesia and oxygen/CO2 euthanasia systems for small animals.
http://www.ezanesthesia.com/

Alarming Oxygen Depletion Caused by Hydrogen Combustion and Fuel Cells
Hydrogen combustion implies the permanent removal from our atmosphere of directly usable oxygen, a serious environmental problem called oxygen depletion, since the combustion turns oxygen into water whose separation to restore the original oxygen is prohibitive due to cost. Abstract.
http://arxiv.org/abs/physics/0009014

Airheads Oxygen Bars, Inc.
Oxygen Bar Supplies, o2 Bar Systems and Oxygen Bar Equipment for Rent or Purchase.
http://www.airheads1.com/

IGR Enterprises
Developer of electronic solid-state oxygen generation technology. Self-sustaining oxygen generating systems for medical and industrial use.
http://www.igroxygen.com/

Walz
WALZ - one of the worlds top producers of highly sophisticated photosynthesis measuring systems. The current product line ranges from the well known PAM Chlorophyll Fluorometers to measuring systems of plant gas exchange for physiological and ecophysiological research
http://www.walz.com/

Delta Ohm Inc.
Strumenti di misura portatili - Portable measuring instruments
http://www.deltaohm.com/

SeQual Technologies
Manufactures industrial and medical oxygen and nitrogen delivery systems. Offers a description of the separation process and comparison between conventional oxygen concentrators and advanced technology fractionators. San Diego, California.
http://www.sequal.com/