BTC LABS is a nationally recognized consulting firm providing a diverse spectrum of quality assurance related services. Founded in 1959, BTC LABS has earned a reputation for delivering quality services at reasonable costs by successfully completing thousands of projects for private and public sector clients. Located in Ventura, California, we have a full staff of experienced engineers, managers, field QA supervisors, inspectors, and field and laboratory technicians to effectively serve our client's needs. We specialize in geotechnical consulting and construction quality assurance services including construction inspection and materials testing.