ATC Associates provides integrated Environmental, Industrial Hygiene, Geotechnical Engineering and Construction Materials Testing & Inspection services nationwide. Our professionals have completed thousands of projects and know how to safely deliver effective and creative solutions. Perhaps that's why 90% of our business comes from referrals. And, why, year after year, Engineering News Record recognizes ATC as one of the nation's leading environmental consulting, engineering and testing companies. For more than a quarter of a century, members of the Petroleum, Real Estate, Retail, Financial, Insurance, Construction, Education, Government, Hospitality, Manufacturing and Telecommunications sectors have counted on ATC as a one-stop resource. Contact us today to discuss how ATC can support your project needs.

We are: Environmental Scientists • Geotechnical & Materials Engineers • Geologists • Remedial Design Engineers • Industrial Hygienists • Microscopists • EH&S Trainers • Project Designers • Safety Professionals • Certified Inspectors & Technicians • Roofing Professionals • Project Monitors • Hazardous Management Planners • Chemists • Hydrologists • Ecologists • Structural Engineers