Campbell Scientific, Inc.
815 West 1800 North
Logan, Utah 84321
USA
www.campbellsci.com

Dualbase Tecnologia
Avenida das Torres, 1000
Palhoca, Santa Catarina CEP 88133-300
Brasil
www.dualbase.com.br

Environment Canada
29 rue de Varennes
Gatineau, Quebec J8T 8GT
Canada
www.ec.gc.ca/rhc-wsc

Forest Technology Systems
1065 Henry England Place
Victoria, British Columbia V9B 6B2
Canada
www.ftsinc.com

High Sierra Electronics, Inc.
155 Spring Hill Drive, Suite 106
Grass Valley, California 95945
USA
www.highsierraelectronics.com

IMKO Micromodultechnik GmbH
Am Reutgraben 2
Ettlingen D-76275
Germany
www.imko.de

Impress Sensors & Systems Ltd
Regency House, 22 - 25 Kingsclere Park
Kingsclere, Hampshire RG20 4SW
United Kingdom
www.impress-sensors.co.uk

METER Group, Inc.
2365 NE Hopkins Court
Pullman, Washington 99163
USA
www.metergroup.com

NR Systems, Inc.
165 East 500 South
River Heights, Utah 84321
USA
www.sdi-12-verifier.com

OTT Hydromet GmbH
Ludwigstr 16
Kempten 87437
Germany
www.ott.com

Stevens Water Monitoring Systems, Inc.
12067 NE Glenn Widing Drive #106
Portland, Oregon 97220
USA
www.stevenswater.com

Sutron Corporation
22400 Davis Drive
Sterling, Virginia 20164
USA
www.sutron.com

U.S. Geological Survery, Hydrologic Instrumentation Facillity
Building 2101
Stennis Space Center, Mississippi 39529
USA
water.usgs.gov/hif

Waterlog/Xylem
95 West 100 South, Suite 150
Logan, Utah 84321
www.waterlog.com