ESI Staff Owners
Jerry W. Martin, P.E. Chairman Email
Philip C. Humbard, P.E., P.L.S. President Email
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, P.E. Project Engineer Email
Bo B. Wilkins, P.E. Project Engineer Email
Anthony A. Vanderploeg, B.L.A. Landscape Architect
David A. Wilkins, P.L.S. CFedS Survey Dept Head
Mike D. Million, P.L.S. Survey Department Email
Daniel G. Lazenby 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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