Support Staff

C. Sean Campbell

Melinda K. Ferree

Jill E. Nauman

David W. Tarver

Engineering Staff       

J. Stephen Ford, Ph.D., P.E.

Jacob L. Lingo, P.E.

Dale M. Metzinger

Danny K. St. John, P.E.

Tom C. Weber, P.E., S.E.(OK)

Angela N. Webster, P.E.


Kristin J. Killgore, P.E., S.E.(IL), LEED AP

ZFI Engineering has 300+ combined years of engineering experience to meet the needs of our clients. Two of the engineers have Ph.D.’s and seven have master’s degrees.

Combined, our engineers are  licensed in 17 states.

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8411 S. Walker

Oklahoma City, OK 73139

Ph: 405.634.3393

Fx: 405.634.6414

Structural Solutions that Work

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