4N6XPRT Systems
Legal ServicesCalifornia, United States2-10 Employees
4N6XPRT Systems is a California-based provider of forensic and legal services software, operating as a dba of Expert Witness Services, Inc. Founded in 1990 (the underlying company has been in business since 1974), it develops programs used in accident reconstruction and related investigative work by court-qualified professionals. The company’s offerings include a vehicle database, an offline NHTSA crash test reference, VIN decoding, and ancillary resources aimed at informing vehicle accident investigators about human-body considerations, with additional published tools in related analytical areas. Its customer base consists of professionals in the legal services and forensic fields who need accurate data and calculations to support investigations and expert testimony, with a focus on correcting data and maintaining timely updates when errors are identified. The firm is based in la Mesa, California, and operates within the legal services industry, providing specialized software and reference materials to assist investigators and experts in reconstructing incidents and evaluating factors relevant to vehicle-related cases.