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We work with industry and government professionals to provide monitoring and sampling solutions for process improvement and to protect our planet's natural resources.
YSI's environmental products provide high quality, high resolution data to better understand and manage our water resources. They are used for wastewater process control, climate change and drought studies, flood monitoring and warning, stormwater runoff monitoring, groundwater quantification and contamination, aquaculture production and source water safety. In addition to standard products, YSI's custom integrated systems help customers obtain critical data in most any application. Tell us what you need and let us design and deploy a total system, even if you simply just want the data.

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SonTek, founded in 1992 and advancing environmental science in over 100 countries, manufactures affordable, reliable acoustic Doppler instrumentation for water velocity measurement in oceans, rivers, lakes, harbors, estuaries, and laboratories. SonTek is headquartered in San Diego, California, and is a division of YSI Inc., a Xylem company that provides monitoring and data collection instrumentation to global water quality, water quantity, and aquaculture markets.

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Aanderaa's roots were formed in the need to make reliable measurements in the earth's most harsh environments. Founded in the early 1960s by Ivar Aanderaa, the Aanderaa name quickly became synonymous for robust and reliable instrument solutions for oceanographic and other environmental measurements. Now as part of Xylem, Inc., the Aanderaa reputation for data quality, reliability, and excellent customer support continues to serve the global need to have better, smarter, and more robust sensor and systems solutions.

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Tideland’s vision of growth is achieved by focusing on our mission to deliver innovative aids to marine navigation products and services, and support our customers with comprehensive technical assistance and after sales care.
We continually utilize new technologies to enhance the performance of traditional AtoN products, while bridging the link in conceiving, developing and manufacturing digital aids to navigation.

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Solinst Canada Ltd. manufactures high quality groundwater and surface water monitoring instrumentation. For over 40 years, we have been providing innovative equipment to hydrogeologists, hydrologists, geotechnical engineers, environmental consultants, government agencies, researchers, and water & wastewater professionals. Our product line features a full range of water monitoring devices including water level indicators and oil/water interface meters, dataloggers and telemetry systems, groundwater samplers, drive-point piezometers, multilevel groundwater monitoring systems, and bioremediation device