Formerly Williams Earth Sciences, Inc., Williams Geotechnical Group (Williams) is proud to be a member of the Gannett Fleming family. Williams was established in 1972 with the goal of providing state-of-the-art geotechnical engineering, quality control testing, and construction inspection services. By joining forces with Gannett Fleming, Williams has the personnel, equipment, and financial resources to provide up-to-date geotechnical and geophysical investigations, along with solutions for foundation construction design.
Quality, integrity, and commitment are the guiding principles of Williams and Gannett Fleming. Williams has grown to become one of the few firms specializing in geotechnical and geophysical engineering and construction inspection training.
Williams has developed a reputation for outstanding customer service, which is best illustrated by the fact that 95 percent of Williams’ work comes from repeat business and satisfied clients.




