Alexander Jason, SCSA
- Reconstruction and analysis of shooting incidents. Based in California.
- http://www.alexanderjason.com/

Godwin Investigative Consultancy Group
- Criminal investigative psychology consultant to lawyers, police, and others for rape and serial murder cases. Based in North Carolina.
- http://www.investigativepsych.com/

Forensic Expertise
- Consultative services and expert testimony on forensic matters. Based in Minneapolis, Minnesota. Areas of expertise, consultant biographies, contact information.
- http://www.forensicexpertise.com/

Edward F. Fitzgerald
- Expertise on breath and blood alcohol testing, and evaluating hospital and laboratory alcohol reports. Mesa, Arizona.
- http://www.edwardffitzgerald.com/

RRossby & Associates
- Expert testimony for capital murder cases and penalty phase mitigation, on the theory that low serotonin, alcoholism and hypoglycemia are linked with impulsive violence.
- http://www.forensic-serotonin.com/

James and Associates
- Providing death and crime scene investigation, photography, and evidence collection services. Fort Lauderdale, Florida.
- http://www.bloodevidence.com/

JGB Detective Agency
- Offering investigation services for matters including criminal, personal injury, and matrimonial cases, and expert testimony on chemical and psychophysical testing.
- http://www.njdwiguy.net/

Forcon
- Toxicology services, including breath and blood alcohol concentration, drug identification, chemical analysis, and consulting on toxins and drugs. Toronto, Ontario.
- http://www.forensic-toxicology.com/

Investigative Process Management
- Offering consulting services, including behavioral analysis, assessing the dangerousness of offenders, psychological profiles and geographical profiles. Based in Anchorage, Alaska.
- http://www.drmauricegodwin.com/

Matthew G. Yeager
- Clinical criminologist, based in Ontario, Canada, specializing in alternatives to imprisonment.
- http://www.cyberus.ca/~myeager/

Behavioral Criminology International
- Expert in criminal profiling and crime analysis. Located in Virginia.
- http://www.criminalprofiler.com/

Michael J. Sweedo, CLPE
- In independent practice, offering services for crime scene reconstruction, fingerprint identification, tire tracks, footprints, bloodstain pattern analysis, chain of evidence review. Located in Arizona.
- http://www.dakotacom.net/~fingers/

Speckin Forensic Laboratories
- Broad investigative and analytical services for forgery, identification, chemistry, and crime scene reconstruction. Located in Michigan.
- http://www.4n6.com/

Knowledge Solutions L.L.C.
- Court qualified in crime reconstruction, crime scene analysis, criminal profiling, victimology, and offender signature analysis. Located in California.
- http://www.corpus-delicti.com/

J. Slemko Forensic Consulting
- General crime scene and bloodstain pattern analysis. Based in Alberta, Canada.
- http://www.bloodspatter.com/

Ronald Singer
- Consulting forensic scientist, based in Texas.
- http://www.flash.net/~crimelab/

Forensic Science Associates
- Providing consultation and services in the areas of criminalistics and forensic serology to an international clientele. Based in California.
- http://www.fsalab.com/

BPA Consulting
- Bloodstain splatter analysis and crime scene reconstruction. Based in Arizona.
- http://www.bloody1.com/

Forensic Enterprises, Inc.
- General incident review and interpretation, by a certified crime scene analyst. Based in Illinois.
- http://www.feinc.net/

Rehman Technology Services, Inc.
- Expert testimony for cases involving child exploitation, and electronic surveillance. Based in Florida.
- http://www.surveil.com/

Richard N. Ernest
- Firearms identification, shooting accidents, shooting scene reconstructions, crime scene reconstructions, and general criminalistics.
- http://www.flash.net/~rernest

C.E.S. Consulting Inc.
- Case review and expert testimony cases involving alcohol and drug impaired driving offenses. Based in Palm City, Florida.
- http://www.duianddreexpert.com/

Robert Walker
- Street and prison gang consultant, offering research, litigation support, and expert testimony, for both prosecutors and defense attorneys.
- http://www.gangsorus.com/

Toxicology Labs. Inc., Omaha
- Testing services and expert testimony for drugs, alcohol, and substance abuse, from a board certified forensic toxicologist.
- http://www.toxlabsomaha.com/

H.R. Cox, M.S.
- Corrections consultant for parole, inmate transfers, initial prison placement, and grievances.
- http://www.prisonconsultant.com

Independent Drug Monitoring Unit (IDMU Ltd)
- Providing information regarding cultivation and use of illicit drugs. Located in Great Britain.
- http://www.idmu.co.uk/

Forensic Science Service
- Proividing forensic scientific services for police agencies in England and Wales, and training, consultancy, and scientific support for many overseas and private sector customers.
- http://www.forensic.gov.uk/