Whether determining how a residential fire began or analyzing the cause of a catastrophic industrial explosion, our experts deliver timely, comprehensive analyses to support litigation, recovery planning, and prevention efforts.
Our consultants meet the qualifications of NFPA 1033 and follow NFPA 921 protocols to ensure scientifically sound, court-admissible results. Many hold certifications through IAAI and NAFI and have experience offering expert witness testimony.
Leveraging a multidisciplinary approach, we integrate civil, structural, chemical, and electrical engineering to develop a holistic view of each case. Fire investigations are enhanced by insights from related disciplines such as thermal sciences and building sciences. This comprehensive expertise allows our team to identify complex, interconnected causes and effects, from material behavior to code compliance.
We serve a wide array of clients including law firms, insurance carriers, manufacturers, government agencies, and utility companies. These clients rely on our blend of scientific rigor and practical problem-solving to clarify liability, assess damages, and support claim resolution or litigation strategy.

Expert Fire Analysis. Clear Legal Insight.

Amy E. Gray
Director, Principal
ESi Origin and Cause Investigations Capabilities
- Fire Dynamics, Growth, and Spread Modeling
- Fire Protection System Failure Analysis
- Chemical Analysis and Flammability Testing
- Electrical and Gas Appliance Fires
- Lithium-Ion Battery Fires
- Pressure Vessel and Boiler Fires
- Heavy Equipment and Vehicle Fire Investigations
- Building and Fire Code Compliance Assessments
- Standardized Fire Test Methods
- Dust Hazard Analysis (DHA)
- Process Hazard Analysis (PHA)
- Expert Witness Testimony and Litigation Support
- Visualization
ESi Related Areas of Expertise
Industries Served
Origin and Cause Investigations Case Studies
- Butane Stove and Cannister Analysis and Investigation
- Gas Grill Plastic Nut Failure
- Ignition Source Viability: A Firework Story
