Keller Engineers, Inc.
Civil EngineeringPennsylvania, United States11-50 Employees
Keller Engineers, Inc. is a civil engineering firm founded in 1991 by Joseph G. Keller, PE, that provides civil, structural engineering and surveying services to both public and private sector clients. The firm emphasizes a client-centered approach, seeking to align designs with budget and schedule through value engineering and close collaboration with clients throughout all project phases. Its multidisciplinary team spans professional engineers, land surveyors, landscape architects, designers, GIS analysts, surveying technicians and construction inspectors, enabling a range of design and inspection services. Based in Hollidaysburg, Pennsylvania, Keller Engineers operates additional offices in State College and Gettysburg to serve projects across the region. In January 2026, the firm announced the promotion of Brian E. Wiser, PE, to Director of Transportation, signaling ongoing leadership development within its transportation practice.