Sumitomo Electric Interconnect Products, Inc. (SEIP) is a subsidiary of Sumitomo Electric Fine Polymer, established in 1985 to market and sell products from Sumitomo Electric Industries, Ltd. in North America. With a manufacturing site in San Marcos, CA, SEIP specializes in heat-shrinkable plastics technology, providing innovative solutions to a diverse range of industries including automotive, aerospace, electronics, and medical. The company is committed to delivering high-quality products and excellent customer support while fostering strong internal relationships to drive profitable growth.