Phone 412-824-5672
David W. Gilliland, PE, President x113
Donald M. Glenn, PE, Senior Engineer x0
Mary Kay Kustra, Office Manager x102
Ted Czekaj x118
Rob DeZorzi x117
Joe Dursa x0
Rich Hinkle x114
Randy Zischkau x119
Bob Zischkau x112



Our North Huntingdon office is within easy reach of any point in Allegheny County or southwest Pennsylvania—on eastbound Route 30, just a half-mile east of the Route 48 intersection.

Surface Mail
14920 State Route 30
North Huntingdon, PA 15642-1073


Ask any of our long-established clients, and they’ll tell you that we work exceptionally hard to maintain relationships based on stability, trust, responsiveness, and personal attention. Our technical expertise is second to none, and our specialization in municipal and environmental engineering makes us the logical choice when local governments look for first-hand knowledge of their communities, and for economical solutions to difficult challenges.

14920 State Route 30
North Huntingdon, PA 15642-1073
p: 412-824-5672
f: 412-824-9587

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