Fire and Explosions

Water and Oil Releases

Equipment Failures Accidents

Lab Services

Evidence Examination

Ignition Testing

Electrical Testing

Mechanical Testing

Case Studies

Real-Life, practical testing

Topics important to the investigative community

Photos, data and references supporting the analysis


Offered at your site or at our lab

Hands-On exhibits Live demonstrations

Topics include electrical, plumbing, appliances and HVAC


GAI is excited to announce the purchase of a Keyence VHX-7000 digital microscope.  This major investment demonstrates our commitment to provide our clients with the latest technology needed for a modern forensic laboratory examination.  GAI is presently the only forensic engineering firm in New England to offer both digital radiography and digital microscopy at out facility.


Scene Services

Every GAI scene examination begins with the end in mind – to process the scene as if the case will go to trial.

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Lab Services

GAI’s 1,800 square foot laboratory is proof of our commitment to the scientific method.

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GAI has created unique seminars to help our clients understand the technical aspects of property damage and personal injury cases.

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Case Studies

Many of the cases GAI works on are “one in a million” occurrences.

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Forensic Engineering since 1934

GAI Engineers is a forensic engineering firm specializing in origin and cause investigation, failure analysis, accident reconstruction, and other technical support for insurance companies, law firms, manufacturers, fire investigation companies and private parties. Since our founding in 1934, GAI has investigated and resolved thousands of cases involving property loss, premise liability, personal injury, and product liability. GAI works on behalf of insureds, claimants, plaintiffs and defendants, to help with insurance contracts or legal disputes. Our registered professional engineers and certified analysts help clients achieve cost-effective resolution on anything from small water damage claims to massive building explosions.

Today, under the direction of Andrew J. Williams, P.E., GAI continues the tradition of responsive service, accurate analysis, thorough reporting, and defensible opinions for insurers, attorneys, and private parties throughout New England.