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. Our company’s success spans multiple industry sectors. Our steady growth comes from a deep belief in developing the people, systems and expertise required to focus on client needs. Today, with 2,800+ employees, ECS has grown to more than 100 offices and testing facilities spread across the Mid-Atlantic, Midwest, Pacific, Southeast and Southwest. ECS is currently ranked #66 in Engineering News-Record’s Top 500 Design Firms (April 2025), #144 in Engineering News-Record’s Top 200 Environmental Firms (October 2024) and #28 in Zweig Group’s Hot Firm List (June 2024).