C&O Services, Inc.
- Investigation, consultation and expert testimony relating to fire origin and cause. Based in Portland, Oregon.
- http://www.firesleuths.com/

Peter Vallas Associates Inc.
- Engineering and investigation services for fires and explosions, and automotive and marine accidents.
- http://www.petervallas.com/

T.J. Klem & Associates
- Fire protection engineering firm offering fire investigation and related loss analysis. Based in Massachusetts.
- http://fires.leadingexperts.com/

Avitan & Associates, Inc.
- Providing litigation support for fires, explosions, and product engineering. Based in Alpharetta, Georgia.
- http://www.avitanassoc.com/

Fire Logistics, Inc.
- Provide fire protection consulting services for the home and workplace. Montana City, Montana.
- http://www.firelogistics.com/

T.C. Forensic
- Expertise in the determination of fire causes and the analysis of fire debris for petroleum accelerants. NSW Australia.
- http://www.tcforensic.com.au/

Wolf Technical Services, Inc.
- Services for matters including accident reconstruction, fires and explosions, chemistry, metallurgy, photogrammetry, and image analysis. Based in Indiana.
- http://www.wolftechnical.com/

Western Fire Center, Inc.
- Fire litigation specialists, based in Washington.
- http://www.westernfire.com/

Steven R. Mackaig & Associates
- California firm, specializing in the investigation of fires and explosions.
- http://www.mackaig.com/

Pacific Fire Laboratory, Inc.
- Washington firm, providing fire testing for research and litigation support.
- http://www.pacificfirelab.com/

JWR, Inc.
- Providing services relating to residential and cosmetic damage from explosion airblast waves. Located in New Mexico.
- http://www.nmia.com/~jwreed

John A Kennedy & Associates, Inc.
- Florida firm, specializing in the investigation of fires and explosions, worldwide.
- http://www.kennedy-fire.com/

Fire Cause Analysis
- California firm, providing fire investigation, protection engineering, forensic engineering and scientific evaluations for the legal and insurance industries.
- http://www.fcafire.com/

David E. Cox
- Investigating fires and explosions to try to ascertain if gas was involved. Based in Massachusetts.
- http://www.gasfireman.com/

Corporate Investigative Services
- Fire investigation services, from offices in New York and Vermont.
- http://www.arson-codes.com/

Combustion Science and Engineering, Inc.
- Maryland experts in combustion and fire.
- http://www.csefire.com/

Omega Point Laboratories, Inc.
- Washington firm, providing fire research, testing, and litigation support services.
- http://www.opl.com/

Ron Hall & Associates
- Fire consulting and investigation firm, located in Ranch Cordova, California.
- http://www.rha-fire.com/

Bundy, Gale & Shields
- International consulting firm, based in Oregon, specializing in fire investigation and loss prevention services.
- http://www.fireexperts.com/

Fire & Risk Engineering - Home Page
- Offering services for fire protection engineering, fire safety and building code compliance, forensic analysis, and risk management. Based in New Jersey.
- http://www.fire-risk.com/

FireTech, Inc.
- Specializing in fire cause and origin investigations. Based in Illinois.
- http://www.firetech-illinois.com/

Chemical Accident Reconstruction Services
- Services for chemical-related accidents, injuries, fires and explosions. Located in Arizona.
- http://www.chemaxx.com/

ACS Investigative Services, Inc.
- A multi-line investigative company, specializing in fire causation, offering litigation support and courtroom testimony. Headquartered in Festus, Missouri.
- http://www.firecause.com/

Tucker Robinson
- Scientists specialising in fire investigation, based in the United Kingdom.
- http://www.tuckerrobinson.co.uk

Fire Reconstruction Consultants, Inc.
- Investigations to determine the origin and cause of fires and explosions in structures, vessels and vehicles.
- http://www.fireexpert.com/