EDI has been a world leader in supply of advanced technology aeration systems and biological treatment systems since 1975. EDI currently has over 6,000 installations worldwide in more than 100 countries. EDI’s focus on a four cornerstone principle approach of innovation, dedication, technology leadership and infrastructure allows us to guide our customers and generate value solutions in the aeration industry. The experienced professionals at EDI provide the highest level of service and system design support in the industry.