M Line Holdings, Inc., through its subsidiaries, acquires, refurbishes, and sells pre-owned computer numerically controlled machine tools to manufacturing customers in the United States. The company also manufactures precision metal component parts for the aerospace, medical, and defense industries; and provides financial and management advice services. It markets its machines through in-house sales staff, as well as through alternative channels, such as the Internet, auctions, and other machine sales. The company was formerly known as Gateway International Holdings, Inc. and changed its name to M Line Holdings, Inc. in March 2009. M Line Holdings, Inc. is based in Anaheim, California.