Our Staff:
Gregory W. McMahon, P.E., President, email
- Licensed Professional Engineer, registered in New York State since 1976.
- 30+ years of Engineering, Construction and Land Development Experience
- Member ASCE
Alfred I. LaRue, L.S., Vice-President, email
- Licensed Professional Surveyor, registered in New York State since 1971.
- 40+ years of Surveying and Land Development Experience
- Member NYSAPLS & GVLSA

David J. LaRue, L.S., E.I.T., email
- Licensed Professional Surveyor, registered in New York State since 2000.
- Engineer in Training registered in New York State since 2000.
- 25+ years of Engineering & Surveying experience.
- Graduate of Rochester Institute of Technology, 1997.
- Member of Webster Volunteer Fire Department
- Member NYSAPLS & GVLSA
- Carlson Software Beta Tester

Click here to download a business card:

Tim Tressler, Survey Party Chief
- 20+ years of field experience.
- A.A.S. degree from Monroe Community College
- B.S. degree from Suny Brockport College
- GPS and Total Station Collection Experience
- 30+ years of field experience
- GPS and Total Station Collection Experience
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