ATC ASSOCIATES

Established in 1982 in Sioux Falls, South Dakota, ATC Associates Inc. provides environmental consulting, industrial hygiene, geotechnical engineering, government services and construction-materials testing and special inspection with 70 locations throughout the United States and over 1,350 employees. ATC nurtures strong client relationships and referrals by consistently exceeding expectations through our professional, well trained, well-equipped and highly motivated team.