CGC Inc

Founded in 1994, CGC specializes in geotechnical engineering and design, construction observation and laboratory testing services. The company has worked on buildings, lakes, retention ponds, wastewater treatment facilities, landfills, highways and bridges. It serves architects, engineers, developers, contractors, attorneys and owners. CGC also provides building layout, construction staking and pay item measurement options. The company offers on-site sampling and nondestructive testing services. It provides dewatering, settlement and slope stability analysis. The company offers geotechnical consulting services for subgrade stabilization, temporary earth retention, and pavement evaluation and design. Its full-service laboratories specialize in soil, aggregate, concrete and asphalt mixture testing. CGC maintains a location in Madison, Wis.