ECS is currently ranked #60 in Engineering News-Record's Top 500 Design Firms (April 2026), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). As an intern working with our construction materials testing lab group, you will reinforce your education through a practical, hands-on, paid work experience.