Welcome to Tonias Engineers, a civil engineering and computer applications firm founded by Elias C. Tonias, P.E., in 1980. The company is committed to the implementation of Computer Aided Design and 3D Visualization in all design aspects. Tonias Engineers provides a range of services, including planning, studies, hydrologic-hydraulic, environmental, structural, tunnels, transportation, and municipal engineering, land planning and site development, and computer applications and software development. With a strong focus on knowledge, efficiency, and thoroughness, the firm serves municipalities, developers, and state agencies, working on projects such as bridge rehabilitation, water distribution modeling, and software application development.