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Engineering Consulting Services
Engineering consulting, geotechnical, environmental, testing services
Engineering Consulting Services
Engineering consulting, geotechnical, environmental, testing services
Overview
ECS provides engineering consulting in geotechnical, environmental, construction materials testing/inspection, and facilities engineering. It operates nationwide through subsidiaries under ECS Group of Companies, with 3,000+ employees and 100+ offices. It differentiates itself as an employee-owned firm with a large regional footprint and a focus on delivering on time, under budget, and with value. Its goal is to deliver high-quality services and earn recognition for practical results and strong client relationships, evidenced by repeat business and referrals.
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Simplify's take
What believers are saying
- ECS opened Denver, Johnstown, Oklahoma City, Orange County, and Dover offices in 2026.
- Rankings improved: ENR #60, environmental #148, and Zweig Hot Firm #38 in 2026.
- ECS keeps hiring principals and managers, signaling healthy demand and continued project backlog.
What critics are saying
- ASGN could push ECS into a weaker strategic fit under Everforth integration by 2027.
- Private-equity-style growth demands acquisitions; integration mistakes can erode margins and client trust quickly.
- Federal spending concentration exposes ECS if contract awards slow after Donnie Scott's 2026 leadership change.
What makes Engineering Consulting Services unique
- ECS ranked #60 in ENR Top 500 Design Firms in April 2026.
- ECS combines geotechnical, environmental, and building-science services across multi-state local offices.
- ASGN-backed ECS appointed Donnie Scott president on February 18, 2026, strengthening federal-tech positioning.
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