Triad Engineering, Inc. (Triad) is a multi-discipline engineering firm that has been serving the Mid-Atlantic region for over 44 years. Triad is 100% employee-owned with an environment that empowers team members and drives them towards success. Triad is excited to expand into Central Pennsylvania with a new office located in Mechanicsburg and continue to provide exceptional engineering and consulting services by specializing in the areas of geotechnical engineering, construction materials engineering and testing and inspection, surveying, environmental consulting services, drilling, and other earth science related disciplines.