NATIONAL MEDICAL SERVICES, INC.

National Medical Services, Inc. specializes in forensic toxicology and expert witness services for federal legal and public health agencies, delivering scientifically rigorous analytical testing and courtroom-ready expert testimony. The company provides confirmatory urine and oral fluid analysis, tissue toxicology testing, and forensic laboratory services critical to criminal investigations and regulatory compliance. Their technical expertise includes advanced chromatographic and mass spectrometric methodologies for drug metabolite identification, pharmacokinetic interpretation, and toxicological reporting aligned with forensic standards. A key differentiator is their integration of laboratory data with legal advocacy, enabling qualified experts to interpret complex scientific results for judicial proceedings, particularly in drug-related prosecutions and federal litigation. The contractor maintains a consistent relationship with the Department of Justice, where they serve as a trusted provider of expert witness services in drug toxicity cases and forensic laboratory support for U.S. Attorney’s offices. They also deliver critical testing services to the Department of Health and Human Services, particularly for the National Institute of Mental Health, supporting research on substance use and neurotoxicology. Additional engagements with the Department of Veterans Affairs reflect their role in clinical and forensic specimen analysis for veteran healthcare programs. Their primary industry focus lies in medical laboratories (NAICS 621511) and professional scientific services (NAICS 541199), positioning them at the intersection of forensic science and legal systems. They operate as a niche provider of court-admissible toxicological data and expert testimony, serving law enforcement, prosecutorial, and public health research missions. National Medical Services, Inc. is a small business headquartered in Horsham, Pennsylvania, with no federal certifications on record. Their operational footprint is centered on federal government contracts, with no indication of commercial or international market activity. The company’s market positioning is defined by its ability to bridge scientific analysis with legal requirements in high-stakes federal cases.