Sierra Electronics – America's Only SMT Splice Tape Manufacturer Sierra Electronics is the leading U.S. manufacturer of high-performance SMT splice tapes, covertape connectors, leader tape extenders, splice tools, and SMD component reels — engineered and produced entirely in Santa Fe, New Mexico. Founded in 1998, we supply OEM and EMS factories across aerospace, defense, automotive, medical device, consumer electronics, and advanced manufacturing sectors.