Masaki-Muneo Shoten is founded

Masaki Doken Co., Ltd. is established

Starts receiving orders for public engineering works

Increases capital from 10,000,000 yen to 31,000,000 yen

Changes its license from general construction business to designated construction business

Starts receiving orders of unit price contract construction from Bureau of Waterworks Tokyo Metropolitan Government

Starts receiving orders of unit price contract construction from Bureau of Construction

Current President is appointed as the second President

Headquarter is relocated to the current location

Company name is changed