water systems service and installation

Environmental Systems Service, Ltd. (ESS) is an independent, privately held company offering technical services in the chemical and biological sciences, including environmental consulting, water and wastewater treatment, field sampling, and environmental testing. Organized in 1973 in Culpeper, VA, ESS operates an in-house laboratory and serves clients in the Mid-Atlantic States ranging from small independent companies to Fortune 500 companies.

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chemical testingenvironmental consultingequipment repair and calibrationfield samplingmicrobiological testingwater and wastewater treatment