Oklahoma City, Oklahoma1 day ago
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). Collaborate with subsidiary leadership to cross-sell ECS service lines, including geotechnical engineering, environmental consulting, construction materials testing, and facilities services, to support oil and gas projects.