HiRel Connectors Inc. excels in engineering and manufacturing interconnect systems which, by design, exceed the diverse needs of military, commercial and custom applications. HIRELCO is a forward looking company that anticipates, develops and solves customers’ product needs based on industry feedback and our own internal innovations. We Manufacture the Worlds Most Reliable Electrical Connection Systems. Truly Self-Locking Plugs and Backshells, Environmental, Hermetic, Filtered, Cable/Harness Assemblies, High Density, Micro Circular and Micro-D Connectors.