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ESI Qual, formerly Enviro-San, Inc. is based in Stoughton and has clients across the continental United States, in Hawaii and in Canada. ESI’s client base includes national and multi-national corporations in the Food, Drug, Cosmetics and related industries.

The company provides on-call trouble-shooting and problem solving services. ESI is also a First Responder for food related crisis events. ESI performs supplier qualification, process verification and HACCP audits as well as routine processing and work habit audits. In addition the company is a recognized HACCP system and Process Safety System developer, expert in building custom HACCP and Process Safety systems, with effective controls such as allergen control, pathogen reduction, security and anti-Bioterrorism/Food Defense SOPs ESI Qual maintains a constant presence in the regulatory and scientific arenas. We are able to provide a steady flow of information to keep our clients on the cutting edge of quality control technology and regulatory events.

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