Anco Chemicals Inc.
Specialty chemical distributor of ammonia and anhydrous ammonia based products.
http://www.ancochemicals.com/

Specpoint Systems Development, Inc
Specpoint Systems Development, Inc. manufactures newly designed ammonia detector replacement parts for Honeywell UVH series ammonia detectors
http://www.specpointsystems.com

Tanner Industries, Inc.
Tanner Industries is a family owned and operated distributor of anhydrous and aqua ammonia
http://www.tannerind.com

Pranalytica Ammonia Gas Sensors
Cost effective trace gas measurement technologies for improving semiconductor clean room environment, chemical and petrochemical process analyses, environmental monitoring, chemical warfare agent detection for defense and homeland security and non invasive medical diagnostics
http://www.pranalytica.com

International Institute of Ammonia Refrigeration
Promotes education, information and industry standards for the safe and proper use of ammonia as a refrigerant. Membership, events, contact information, and news.
http://www.iiar.org/

Ammonia and Waste Calcium Chloride CaCl2
Make money, use this no waste production of calcium chloride CaCl2 and ammonia NH3.
http://www.geocities.com/CapeCanaveral/Galaxy/6137/absart07.html

R.M. Technologies, Inc.
Anhydrous ammonia and ammonium hydroxide system integration.
http://www.rmtech.net

R.M. Technologies, Inc.
Anhydrous ammonia and ammonium hydroxide system integration.
http://www.rmtech.net

LANL: Nitrogen
History, sources, natural compounds, and ammonia.
http://periodic.lanl.gov/elements/7.html

Nitrifying Bacterium
Photograph and information on Nitrosomonas which is able to convert ammonia into nitrite.
http://commtechlab.msu.edu/sites/dlc-me/zoo/zdrs0232.html