March 2000 – Moved company premises (to Mitaka City, Tokyo)
October 2001 – Subsidiary established (NTT AFTY Engineering)
March 2005 – Moved Headquarters (to Hachioji City, Tokyo)
August 2007 – Shareholders changed from NTT group to Mitsui Engineering and Shipbuilding Co., Ltd. and Mitsui Electronics Inc. Operations include manufacturing, sales operations, testing, installation work, repair, inspection, service supplies provision, second-hand equipment brokering, and incidental work.
September 2007 – Company name changed to MES AFTY Corporation
December 2009 – Acquired Clean Mechatronics Department of Mitsui Engineering and Shipbuilding Co., Ltd. in absorption-type split, established AFTY Tamano