Orbit International operates in two industry segments. Co.'s Electronics Group is comprised of its Orbit Instrument Division (Orbit Instrument) and its TDL Development Laboratory, Inc. (TDL) and Integrated Consulting Services, Inc. (ICS) subsidiaries. Orbit Instrument and TDL are engaged in the design and manufacture of electronic components and subsystems. ICS performs system integration for gun weapons systems and fire control interface, cable and harness assembly, as well as logistics support and documentation. Co.'s Power Group is comprised of its Behlman Electronics, Inc. subsidiary, which is engaged in the design and manufacture of commercial power units.