EXA E&C Inc. manufactures and sells specialized construction and electronic components in South Korea. Its construction offerings include clean room products for industrial and bio applications, interior finishing of walls, floors, ceilings, and stairs, interior design services, and partition products. The company also manufactures crystal units and oscillators, TCXO and VCXO products, monitor crystals, and IC products for the communications industry. Formerly known as Yaelim International Corp., it changed its name to EXA E&C Inc. in October 2004, was founded in 1988, and is headquartered in Seoul, South Korea.