Seneca is a premier U.S.-based custom system manufacturer and value-added technology distributor with over 30 years of experience. Through a commitment to the total technology lifecycle, Seneca delivers scalable solutions backed by a complete services offering. Proven Expertise and a Total Solution Offering Proven engineering and manufacturing expertise make Seneca the trusted source for OEMs and ISVs looking to shorten time to market and decrease project risk. Through a complete, flexible blend of services, Seneca enables our customers to deploy wide-ranging technology solutions.