ESI Staff Owners
Jerry W. Martin, P.E. Chairman Email
Philip C. Humbard, P.E., P.L.S. President Email
Dr. E. Walt LeFevre, P.E. Senior Vice-President
Brian J. Moore, P.E. Vice-President Email
Tim J. Mays, P.E. Secretary/Treasurer Email
Professional Staff
Michael A. Weir, P.E. Project Engineer Email
Jason Appel, E.I. Project Engineer Email
Bo B. Wilkins, E.I. Project Engineer Email
Chris J. Waller, E.I. Project Engineer Email
Charles H. Anderson, P.L.S. Survey Department Head Email
Mike D. Million, P.L.S. Survey Department Email
Gary L. King Drafting Department Supervisor
Jim L. Harrelson Engineering Technician Email
ESI Professional civil engineering services for Arkansas, Missouri, Oklahoma, and Kansas.
• Water • Wastewater • Streets • Storm drainage • Subdivisions • Large scale developments
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