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Based out of Alberta, Canada, ESSI (Environmental Sentry Services Inc.) prides itself on providing environmentally friendly and cost effective products and services. Currently, ESSI focuses on the resource industry, specifically the oil and gas sector.

ESSI has created and developed specialized products that provide complimentary systems in the prevention and containment of spills. The research and development department continually explores new methods of utilizing ESSI products to develop innovative technologies and additional applications.