GRL Engineers, Inc.

GRL Engineers, Inc. is a professional engineering firm that specializes in providing testing, analysis and consulting services for the deep foundation industry world-wide. The firm was founded in 1976 by the Case Western Reserve University research team that developed the Case Method of dynamic pile testing and the Pile Driving Analyzer® (PDA) system for performing the test. Since its incorporation, GRL has continued to expand its capabilities in this field through in-house research efforts and several funded studies, most notably in the area of wave equation technology and hammer performance evaluation. GRL Engineers, Inc. (www.GRLengineers.com) maintain its corporate headquarters in Cleveland, OH with branch offices across the United States.