Spectrum Guard PRO Inactive Notice ID:M67861-SUSPGPR PLEASE REFERENCE SOURCES SOUGHT ATTACHED. Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEPT OF THE NAVY MFR COMPTROLLER NAICS 334515 - Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals PSC LABORATORY EQUIPMENT AND SUPPLIES Data sourced from SAM.gov. View Official Posting »