Founded in 1988, ECS Group of Companies (ECS) is a leader in geotechnical, construction materials, environmental and facilities engineering. At that time, our goal was to raise the standards of professional consulting engineering by hiring industry professionals who understood the complexities of building and maintaining modern infrastructures. Today, with 3,000+ employees, ECS has grown to more than 100 offices and testing facilities spread across the Country. ECS is currently ranked #50 in Zweig Group’s Hot Firm List (May 2025).