Accident Analysis - Forensic accident analysis of trips slips and falls. Sciences of biomechanics and applied anatomy are used to analyse accident events and provide expert witness testimony. Human Performance and Wellness - Expert witness and consultants for biomechanics based design, testing and evaluation. Cummings Scientific, LLC - A consulting firm specializing in biomechanics, accident reconstruction, and animation preparation for civil plaintiff and defense attorneys, criminal prosecutors, and insurance companies. George Ripsom Associates - Biomechanical consulting and traffic collision reconstruction. Semper Scientific, Inc. - Provides biomechanics consulting with focus on the analysis of human motion and injury in matters involving premises liability, collisions, industry, playgrounds, and recreation. TEST, Inc. - Biomechanical engineering and accident reconstruction services in the field of agriculture and off road. Dr. Richard Collins, Ph.D., M.Sc., B.Sc. - Expert litigation support for attorneys in personal injury cases involving vehicular, industrial, sports and other types of personal injuries. Global Biomechanical Solutions - Biomechanical expert witness services for litigation. TLS Forensic - A biomechanic and engineering group specializing in accident reconstruction, pedestrian and industrial accidents, sports and paediatric injuries. Biomechanical Research and Testing, LLC - BRT is a research and consulting firm focusing on forensic analysis relating to biomechanics, accident reconstruction, mechanical failure, and visibility issues.