$PSID PositiveID's wholly owned subsidiary, E-N-G Mobile Labs, provides specialty vehicle manufacturing for TV news vans and trucks, emergency response trailers, mobile command centers, mobile labs, and other special purpose vehicles. E-N-G is a leading U.S. manufacturer of specialized vehicles that are field friendly and field tough. Major applications include mobile TV broadcasting, microwave and satellite uplink trucks, emergency response vehicles, communications command and control, surveillance vans, mobile environmental, medical, dental, and health laboratories and clinics, mobile cellular phone vehicles, infrared testing, and many other applications. We also provide mobile analytical triage centers to insulate central labs from pandemic outbreaks.