Forensic Engineers
& Consultants since 1924

About Us

Construction, Cranes, & Heavy Equipment Experts

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Areas of Expertise

Professional Engineering Expertise

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

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Expert Witness & Litigation Consulting

Construction Defects

Energy

Construction, Cranes and Heavy Equipment

Geotechnical Engineering

Catastrophe

Civil/Structural Engineering

Mechanical Engineering and Metallurgy

Electrical

Roofing

Expert Witness & Litigation Consulting

Construction Defects

Energy

Construction, Cranes and Heavy Equipment

Geotechnical Engineering

Catastrophe

Civil/Structural Engineering

Mechanical Engineering and Metallurgy

Electrical

Roofing

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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The Latest from haag
News & Events

07.22.2020

July Blog-- Hot Fires & Fast Fires + HCI LIVE Online

06.22.2020

June Blog-- White Paper: IMPACT TESTING OF IMPACT RESISTANT ASPHALT SHINGLES

05.05.2020

Haag Publishes "Testing of Impact Resistant Asphalt Shingles" in May 2020 IIBEC Interface Magazine
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Technical Papers