Geo-Technology Associates, Inc. (GTA) proudly celebrates 40 years of service, backed by a team of 600+ professionals—including geotechnical engineers, environmental scientists, geologists, project managers, and field technicians. As a client-focused firm, we deliver comprehensive engineering solutions across diverse markets, driven by innovation and a commitment to excellence.Our services span geotechnical issues such as subsurface exploration, geotechnical and foundation engineering; groundwater resource and wastewater disposal issues; construction observation and materials testing; environmental issues from environmental assessments through management of remediation for contaminated water and soil; and natural resource services ranging from inventories to permit processing. With 27 offices, we serve clients across the Mid-Atlantic, Southeast, Midwest, and Texas, including locations in PA (Pittsburgh, Beaver Falls, York, Quakertown, Wilkes-Barre, Philadelphia), OH (Northeastern), NJ (Somerset, Little Ferry), MD (Abingdon, Baltimore, Laurel, Frederick, Waldorf), DE (Newark, Georgetown), VA (Fredericksburg, Richmond, Sterling), TN (Nashville), NC (Charlotte, Greensboro, Raleigh), SC (Greenville), FL (Orlando), TX (Dallas-Fort Worth), and Washington, D.C.We execute projects across residential, commercial, industrial, energy, government, and recreational sectors, along with infrastructure such as roads, bridges, dams, landfills, and utilities. Our soil, aggregate, and concrete laboratories are accredited by AASHTO and the U.S. Army Corps of Engineers.We recognize that our people are our greatest asset. We empower our employees to achieve their full potential—both personally and professionally—by providing a strong foundation, essential tools, and valuable resources. This commitment drives exceptional outcomes for our clients.