Hi-Rel Group, founded in 1976 and headquartered in Essex, Connecticut, is a leading manufacturer of highly specialized metal components for the microelectronic packaging industry. Hi-Rel’s products include hermetic microcircuit packaging lids, ring frames, solder preforms, thermal management products, getter assemblies, as well as other products and services for the aerospace, defense, optical networking, petrochemical and medical industries. © Hi-Rel Group