RES Engineers, Inc.

RES Engineers, Inc. is a San Francisco-based firm providing special inspections, materials testing, and structural engineering services in the Bay Area. Its work includes construction-phase inspection and testing of concrete, reinforcing steel, structural steel, mass timber, fireproofing, and building systems, as well as forensic investigations and evaluations of existing structures. RES operates a DSA-certified laboratory and identifies itself as a City and County of San Francisco LBE and a State Certified SBE.