Letterle & Associates maintains offices in Allison Park (Allegheny County), Franklin (Venango County), and Bellefonte (Centre County). Our staff consists of environmental scientists, licensed geologists, project engineers, CAD operators and field technicians. We offer an outstanding benefits package, newly renovated offices and well-maintained fleet of vehicles.

If you are interested in pursuing a career at Letterle, you are encouraged to submit a résumé and letter of interest to:

Letterle & Associates
2859 Oxford Boulevard
Allison Park, PA 15101

or via email: info@letterleassociates.com