Stahly Engineering & Associates
Civil EngineeringMontana, United States51-200 Employees
Stahly Engineering & Associates is a mid-sized civil engineering and surveying firm based in Helena, Montana, with additional offices in Bozeman, Billings, Great Falls, and Cody, Wyoming. The firm offers engineering services across transportation, site development, municipal, bridges, and structural projects. It also supports public and private clients with planning, grant administration, GIS, surveying, public engagement, and construction inspection. Its approach centers on building reliable professional relationships and delivering work grounded in experience and integrity. In April 2026, Stahly Engineering & Associates merged with Pryor Mountain Engineering, expanding its presence in Wyoming and the broader region.