Philip B. Sweeting
- Providing expert testimony for both plaintiff and defense attorneys concerning police policy/practices in use of force, arrest, negligent hiring, internal affairs.
- http://policepracticesexpert.com/

Corrections Consultants, L.L.C.
- New Jersey-based expert witnesses and pre-trial consultants providing testimony related to jails, prisons and community corrections. Includes staff profiles.
- http://www.correctionsconsultants.com/

Leviton & Greenstone and Associates
- Consulting and litigation support in the area of police policies and procedures. Fort Worth, Texas
- http://www.thepoliceconsultant.com/

Ken Wallentine
- Consulting and expert testimony for law enforcement shootings and police dog issues. South Jordan, Utah.
- http://www.kenwallentine.com/

Aaron J. Westrick, Ph.D.
- Consultation and expert testimony regarding use of force and body armor in police and corrections functions. Based in Boyne City, Michigan.
- http://www.westrickphd.com/

Michael D. Lyman, Ph.D.
- Expert in police misconduct for civil and criminal litigation. Based in Columbia, Maryland.
- http://www.policeexpert.net/

Forensic Criminology Associates
- Consulting and expert services for security matters, including premises security litigation. Based in Troy, Michigan.
- http://www.forensiccriminology.com/

LSA Consulting
- Correctional consulting services and expert testimony for issues of security and design. Based in Mississippi.
- http://www.lfsmall.com/

Marsh and Associates
- Consulting service, focusing on police misconduct cases. Located in Galena, Illinois.
- http://www.jmarshassoc.com/

Anthony L. Paul
- Services for firearm and toolmark identification. Based in Belmont Shore, California.
- http://www.forensicservice.com/

Ron MacKay & Associates
- Criminal profiler and behavioral consultant, with FBI training and RCMP experience, based in Ontario, Canada.
- http://www.comnet.ca/~fbamackay/

Geoffrey P. Alpert
- Expertise in the evaluation of high-risk police activities, including the use of force, deadly force, pursuit driving and accountability systems.
- http://www.deadlyforce.com/

Verne Trester
- Providing case evaluation, lab work, testing, and expert testimony relating to firearms and ballistics. Based in Indianapolis, Indiana.
- http://www.firearmexpertwitness.com/

K.R. Barnes
- 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.
- http://krbarnes.8k.com

Palmer Investigative Services
- Specializing in drunk driving, drugs, and impairment issues. Located in Prescott, Arizona.
- http://www.palmerinvestigative.com/

Harvey R. Cox
- Corrections consultant for parole, inmate transfers, initial prison placement, grievances, disciplinary actions. Located in Weatherford, Texas.
- http://www.prisonconsultant.com/

William T. Gaut
- Services include investigations, security management, litigation support, and police consulting. Based in Naples, Florida.
- http://www.wtgaut.com/

Thomas A. Rosazza
- Police and correctional custodial care standards. Located in Colorado Springs, Colorado.
- http://www.rosazza.com

George Kirkham
- Police and private security expert and consultant, based in Lake Worth, Florida.
- http://www.krimedr.com

Forensic Enterprises, Inc.
- Certified crime scene analyst, consultant and instructor, offering general incident review and interpretation, photographic services, and three-dimensional animation. Located in Illinois.
- http://www.feinc.net

John H. Painter
- TARAS,Inc. Traffic accident reconstruction to include computer simulations and animation. Located in Arlington, Texas.
- http://www.policevehicleaccident.com

La Pier & Associates
- Accident reconstruction services, with expertise in drunk driving cases. Located in Rigby, Idaho.
- http://www.lapier.com/

Gilbert L. Snowden
- DWI Consultants, Inc. Expert offering litigation support and police practice information for drunk driving cases. Located in Brick, New Jersey.
- http://www.dwiconsultants.com

Terry Pelz
- Criminal justice expert in prison and jail conditions. Also, prison and street gangs. firm located in Missouri City, Texas.
- http://www.cjconsultant.com

John L. Sullivan
- Sullivan Associates International. Providing expert witness testimony and consulting on police practices, use of force, and related subjects. Located in Las Vegas, Nevada.
- http://www.jlsai.com/