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Northeastern, Ohio

1420 W. Main Street
Alliance, OH 44601



Office Contact

Jonathan D. Raab, PE

Vice President

Geotechnical Engineering

Randy Daub, PE


Geotechnical Engineering

Partner With Us

With more than 500 engineers, geologists, scientists, technicians, and support personnel, GTA has the expertise, resources, and experience to meet your needs. Reach out to us today.