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  • YSI Incorporated
  • www.ysi.com
  • Designs, manufactures and distributes sensor technology, instruments and real-time systems for the global biosystems market.
3.9
(si*)
<5
6
  • Schlumberger Water Services
  • www.swstechnology.com
  • Offers groundwater monitoring instruments and software, multilevel well systems and groundwater monitoring dataloggers.
3.5
(si*)
-
5
  • Stevens Water Monitoring Systems Inc.
  • www.stevenswater.com
  • Manufacture of water level sensors, water quality sensors, soil moisture sensors, water flow measurement, and basic weather monitoring sensors.
3.7
(si*)
-
5
  • In-Situ, Inc.
  • www.in-situ.com
  • Supplies water level and water quality instrumentation for hydrologic monitoring equipment and field data logging of water level and quality.
3.5
(si*)
<5
5
  • HD Supply Inc.
  • www.hdsupply.com
  • Supplies Hester Dendy multiple plate benthic invertebrate samplers direct from the manufacturer.
4.1
(si*)
-
5
  • Turner Designs
  • www.turnerdesigns.com
  • Specialized in providing sensitive, reliable and easy-to-use fluorometers and luminometers for the measurement of measurement of genetic reporters, nucleic acids, fluorescent tracers, algal pigments and hydrocarbons in water.
3.7
(si*)
-
5
  • Hydrolab
  • www.hydrolab.com
  • Multiprobes and displays for surveys, profiling, remote, unattended monitoring of any array of water quality parameters in fresh, salt, ground, waste waters to 200 meters.
3.5
(si*)
-
5
  • Biospherical Instruments, Inc.
  • www.biospherical.com
  • Designs and manufactures state-of-the-art submersible and ground-based optical instruments for monitoring water and atmosphere. Product features, careers, and technical support.
3.5
(si*)
-
5
  • IQ Scientific Instruments
  • www.phmeters.com
  • State-of-the-art non-glass pH systems with ISFET silicon-chip sensor technology. A full line of non-glass pH meter and probe are displayed.
3.5
(si*)
-
4
  • Geoscientific Ltd.
  • www.geoscientific.com
  • Distributor of environmental monitoring instruments and global positioning systems.
3.2
(si*)
-
4