Engineering Expertise

Professional Engineering Expertise

Know what happened and why.

Accurate, understandable, and impartial. That characterizes the reports that, since 1924, Haag’s professional staff of forensic engineers and consultants have been providing clients worldwide. While they represent a huge diversity of industries and the circumstances under which they call on Haag are never the same twice, these clients all share a vital need — the need to understand the origin and cause of damage or a failure. As one of the pioneers of forensic engineering, Haag is able to ascertain the hidden truths of “what happened and why” through the application of specialized knowledge and advanced technology along with an important something extra — a savvy gained only through many decades of experience with every conceivable type of failure and damage event. Field expertise, our laboratory testing capabilities, and our vast technical resources all combine to uniquely qualify Haag for creating an authoritative report and delivering it with compelling clarity.

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



Haag Engineers will determine the cause failure and extent of damage to a wide range of energy and oil & gas-related equipment.

Construction, Cranes and Heavy Equipment

Haag Engineers are experts at determining the cause and extent of damage related to aerial lifts, cranes and rigging, and other heavy equipment.

Geotechnical Engineering

Haag Engineers are experienced forensic geotechnical investigators, who conduct geologic and geophysical studies, inspections, and testing services nationwide.


Haag Engineers analyze damage caused by catastrophic events and weather phenomena, establish cause and scope, and work to reduce business interruption

Mechanical Engineering & Metallurgy

Haag Mechanical Engineers determine causes of failures and damage to mechanical equipment and our staff metallurgist will analyze failed components.

Electrical Engineering

Haag Electrical Engineers determine causes for failures and damage to a variety of electrical equipment and distribution systems, and detail the scope of damage and costs to repair or rebuild.


Haag Engineers are experts at examining failures, conducting structural analysis, and performing on-site inspections.


Haag Engineers are the industry experts at evaluating damage to residential, commerical and industrial roofing.


Haag Engineers are available to provide expert witness and litigation consulting services throughout the Unites States and internationally.

Engineers at the Cutting Edge

Haag engineers and consultants are diligent to be knowledgeable on all leading-edge technology and to stay at the forefront of technical advances in their respective disciplines. Each professional Haag Engineer supervising assignments ensures that we provide clients with the highest level of professionalism and expertise.

The above list of expertise areas represents merely a cross- section of our abilities and is by no means all-inclusive.

Every project is unique. Contact us to discuss the pertinent facts of each individual assignment to better assess your needs and our ability to assist. Call us at 800-527-0168 or 214-614-6500 to find the right engineer for your project.

*For information on all of Haag's services, check out our winning employee-made video: