Areas of Expertise

Professional Engineering Expertise

Our professional, expert engineers are licensed and experienced in a diversity of key disciplines

Expert Witness & Litigation Consulting

Construction Defects


Construction, Cranes and Heavy Equipment

Geotechnical Engineering


Civil/Structural Engineering

Mechanical Engineering and Metallurgy



Our Locations

Haag operates offices, satellite offices and special catastrophe offices to help meet our clients needs worldwide.

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featured projects

Our clients call upon us to perform assignments all over the world

Hyatt Regency Walkway Collapse
Haag Engineer E. Earle Walters discusses the investigation of the collapse of two walkways at a Hyatt Regency hotel.Read More
Collapse on the Set of Titanic
Haag Engineering Co. consultants were called to the set of the feature film Titanic to perform an inspection following collapse of part of the set.Read More
Miller Park Crane Collapse
Haag Engineer Jim Wiethorn discusses the investigation of a crane failure during construction of Miller Park.Read More
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Technical Papers