Haag is an employee-owned forensic engineering & technical consulting firm, since 1924. In June 2024, Haag joined Salas O'Brien, an employee-owned engineering and technical services firm focused on advancing the built environment. *FORENSIC ENGINEERING- Haag provides failure analysis, extent of damage, and repair options for civil/structural, mechanical, electrical, metallurgical, construction defect, product liability/failure, and transportation cases. *FORENSIC METEOROLOGY- Haag's expert meteorologists conduct detailed meteorological analyses of severe weather events, assess weather effects on building performance, and provide expert witness testimony.  *FORENSIC ARCHITECTURE- Haag’s forensic architects evaluate construction defects, standard of care, premises liability, building envelope/moisture intrusion, ADA/code compliance, and provide expert witness and litigation support.  *TESTING- Haag's IAS Accredited lab offers material & product testing, roofing desaturation, ice- and steel-ball impact testing, pressure chamber, wind simulator testing and customizable testing. *CONSTRUCTION CONSULTING- services include restoration and reconstruction consulting, detailed estimates, replacement cost (ITV) assessments, demand appraisals, clerk of works, and construction or property claim litigation support, including delay and quantum claims, and construction defect litigation. *FIRE O&C- provides fire O&C investigation services, specializing in commercial and complex losses. *EDUCATION- premier training programs including the Haag Certified Inspector & Haag Certified Reviewer, plus online and classroom seminars, and reference books & tools including Shingle Gauges® and Haag Panel & Membrane Gauge®.  *GIS, BIM, & 3D TECHNOLOGIES- technical support, resources & analysis to forensic, litigation, oil & gas clients