Downstream Strategies
Evan Hansen offers technical analyses on water quality and water resources matters, for watershed groups, environmental organizations, consulting companies, and government agencies. Describes projects and provides publications for download. Based in West Virginia, USA.
http://www.downstreamstrategies.com/

Geochron Laboratories / Krueger Enterprises Isotopic Analyses
Providing radiocarbon, potassium-argon, stable isotopes, and other radiometric analyses. Serving researchers in geology, geochronology, archeology, anthropology, hydrology, and environmental and food adulteration studies. Additional analyses include C-14 by AMS, tritium, Sr, Rb-Sr, Pb, U-Pb, and Sm-Nd.
http://www.geochronlabs.com

Marine Minerals Bibliography and Geochemical Database
Marine Geology Data Files of the NOAA National Geophysical Data Center (NGDC) Marine Geology & Geophysics Division and collocated World Data Center for Geophysics & Marine Geology, Boulder.
http://www.ngdc.noaa.gov/mgg/geology/mmdb.html

Torrent Laboratory, Inc.
State certified environmental laboratory offers analysis of waste water, solid waste, and storm water. Also specializes in printed circuit board manufacturing, plating process analyses, and metal finishing plating bath analysis.
http://www.torrentlab.com

Analytico
Provide tests for environmental hazards with chemical analyses of water, soil or air. Testing for 200 compounds with results returned in 5 days.
http://www.analytico.com/

U.S. Water News
News concerning water and water issues in the USA. US Water News coverage includes water supply, water quality, policy and legislation, litigation and water rights, conservation, climate, and international water news. Occasional articles relating to trenchless technology. A resource for professionals serving the water industry.
http://uswaternews.com/homepage.html

Flow Science Incorporated
Engineering solutions for hydraulic transient and waterhammer, fluid transport, and water quality.
http://www.flowscience.com

PEL Laboratories Inc.
Spectrum Analytical, Inc.
http://www.pelab.com/

ChemLab.cc
ChemLab.cc is a full service laboratory for chemical and microbiological testing of Drinking Water and Environmental Samples.
http://chemlab.cc/

Koch Water Management, Inc.
Providing industrial and municipal wastewater consulting. Managing and operating package plants and performing related laboratory analyses.
http://www.koch-water.com/