Sunbank Corporation, founded in 1972 and headquartered in Paso Robles, California, is a leading manufacturer of high-reliability electrical connector accessories and backshells. The company specializes in providing robust solutions for military, aerospace, and industrial applications. As a subsidiary of Amphenol Corporation since 1999, Sunbank benefits from global resources while maintaining its expertise in circular and rectangular connector accessories. Its core product lines include environmental backshells, strain reliefs, heat shrink boots, and connector savers. Key series such as the M85049 backshells for MIL-DTL-38999 connectors and AS85049 accessories are widely used in harsh environments. Sunbank also offers custom cable assemblies and overmolded connectors. With a strong focus on quality, the company holds AS9100 and ISO 9001 certifications. Sunbank is recognized as a premier supplier in the connector accessory market, serving major defense contractors and OEMs worldwide. Their products ensure reliable signal integrity and mechanical protection in mission-critical systems.