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In 1987, OEI was established as a specialty civil engineering and environmental design firm, primarily focusing on solving surface water issues. Over the decades, we have finely developed our expertise in water resources and environmental design and along the way, have developed a proficiency within the government arena, serving federal, state, and municipal clients. We offer our clients full architecture and engineering multidiscipline services on their vertical and horizontal projects.  Our proficiency in the A/E industry has led to our development of innovative solutions and approaches for our clients’ most complex projects.

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