Forensic Structural Engineers and Architects
Raths, Raths & Johnson, Inc.
Willowbrook, Illinois 60527
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Raths, Raths & Johnson, Inc. (RRJ) is a national engineering, architecture, and forensics consulting firm that provides investigative, design, repair, and testing services for building structures, enclosures, and materials. RRJ employs an evaluation methodology that combines knowledge of building sc