Consultation and expert testimony regarding use of force and body armor in police and corrections functions. Based in Boyne City, Michigan.

Services for firearm and toolmark identification. Based in Belmont Shore, California.

Performance Shooting, Inc. Expert in personal defense training in firearms, impact weapons, chemical defense sprays, and use of force issues. Forest Park, Georgia.

Offering consultation and expert testimony for drunk driving cases, including repair and maintenance of the Intoxilyzer 5000 Series.

New Jersey-based expert witnesses and pre-trial consultants providing testimony related to jails, prisons and community corrections. Includes staff profiles.

Consulting and expert services for security matters, including premises security litigation. Based in Troy, Michigan.

Certified crime scene analyst, consultant and instructor, offering general incident review and interpretation, photographic services, and three-dimensional animation. Located in Illinois.

Law enforcement training and consulting, including issues of police liability and discipline. Seattle, Washington.

Expertise in the evaluation of high-risk police activities, including the use of force, deadly force, pursuit driving and accountability systems.

Police and private security expert and consultant, based in Lake Worth, Florida.

DWI Consultants, Inc. Expert offering litigation support and police practice information for drunk driving cases. Located in Brick, New Jersey.

Corrections consultant for parole, inmate transfers, initial prison placement, grievances, disciplinary actions. Located in Weatherford, Texas.

Consulting services and expert testimony on policing topics, including public order, firearms strategy, major events and concerts, traffic management, and accident investigation. Shropshire, United Kingdom.

TARAS,Inc. Traffic accident reconstruction to include computer simulations and animation. Located in Arlington, Texas.

Sullivan Associates International. Providing expert witness testimony and consulting on police practices, use of force, and related subjects. Located in Las Vegas, Nevada.

Professor of the Administration of Justice Studies, experienced in police, jails and corrections, offering expert opinion on police misconduct, deaths in jails or prisons, 1983 actions, pursuits and use of force.

Expertise in use of force and firearms matters. Based in Kingston, New York.

Consulting and expert testimony for law enforcement shootings and police dog issues. South Jordan, Utah.

Providing expert testimony related to premises liability and police misconduct cases, including police pursuit accidents. Located in Northern California.

Accident reconstruction services, with expertise in drunk driving cases. Located in Rigby, Idaho.

Consulting and litigation support in the area of police policies and procedures. Fort Worth, Texas

Correctional consulting services and expert testimony for issues of security and design. Based in Mississippi.

Consulting service, focusing on police misconduct cases. Located in Galena, Illinois.

Expert in police misconduct for civil and criminal litigation. Based in Columbia, Maryland.

Specializing in drunk driving, drugs, and impairment issues. Located in Prescott, Arizona.

Litigation support and expert testimony in police procedures, including arrest, use of force, and hiring for both plaintiff and defense. Located in South Florida.

Providing case review and expert opinion in areas relating to public safety.

Police procedures and practices expert, emphasizing use of force cases. Milldale, Connecticut.

Police policy, practices and procedures. Use of force issues, police conduct, and code of silence. Located in the Los Angeles area.

Criminal profiler and behavioral consultant, with FBI training and RCMP experience, based in Ontario, Canada.

Criminal justice expert in prison and jail conditions. Also, prison and street gangs. firm located in Missouri City, Texas.

Police and correctional custodial care standards. Located in Colorado Springs, Colorado.

Providing case evaluation, lab work, testing, and expert testimony relating to firearms and ballistics. Based in Indianapolis, Indiana.

Expert services for law enforcement, premises liability, use of force, and other police litigation matters.

Veteran sheriff's captain and author, offering research, training services, and technical and legal assistance to trial lawyers. Based in California.

Services include investigations, security management, litigation support, and police consulting. Based in Naples, Florida.