ATC Group Services LLC

National Headquarters, 600 West Cummings Park, Suite 5500
Columbia, MD 21045

About ATC Group Services LLC

ATC Associates Inc. is a nationwide consulting, engineering and testing company. We help clients manage and respond to Environmental, Occupational Health & Safety and Construction-related issues. Services include Environmental Consulting, Geotechnical Engineering, Construction Materials Testing & Inspection, Industrial Hygiene, Laboratory Analyses and Environmental Health & Safety Training. Our professionals — who’ve resolved thousands of projects, many of them uniquely challenging — thrive on delivering creative, effective, safety-oriented solutions. No doubt this is why 90% of our business comes from referrals; and why, year after year, Engineering News Record recognizes us as one of the nation's leading practitioners of Environmental Consulting, Engineering and Testing. For more than a quarter century, we have served as a one stop resource for leaders in Petroleum, Real Estate, Retail, Manufacturing, Financial Services, Insurance, Construction, Telecommunication, Education Government & Hospitality.

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