Mitsuiline Air Service Co., Ltd. was founded with Mitsui Steamship Co., Ltd., Mitsui & Co., Ltd., Mitsui Fudosan, Co., Ltd. as major shareholders.

Absorbed Taiyodo Travel Co. and authorized as IATA Registered Passenger Sales Agent.

Authorized as the Registered International & Domestic Travel Agency (No. 52) approved by the Ministry of Transport.

The company name changed to Mitsui Travel Service Co., Ltd.

Authorized as Money Changer by the Ministry of Finance.

Number of shareholders increased to 17 companies with capital participation of 12 Mitsui group companies.
(The Mitsui Trust & Banking Co., Ltd., Tomen Corporation, Mitsui Mining Co., Ltd., Toray Industries, Inc., Mitsui Mining & Smelting Co., Ltd., Mitsui Engineering & Shipbuilding Co., Ltd., Mitsui Petrochemical Industries, Ltd., Mitsui Toatsu Chemicals, Inc., Mitsui Mutual Life Insurance Co., The Japan Steel Works, Ltd., Toshiba Corporation and Toshoku Ltd.)

Amalgamated with Shosen Air Service Co., Ltd., a company established by Mitsui O.S.K. Lines, Ltd., and Sumitomo Corporation as major shareholders to form a company with the new trade name of M. O. Air System, Inc.
Its travel division operated under the name of M. O. Tourist.

Two divisions of M.O. Air System, Inc.: international transport business division and travel business division were separated with the travel business division starting independent operation as M.O. Tourist Co., Ltd.

Authorized as a business licensed to use privacy mark (P mark).

Mitsui O.S.K Lines, Ltd. became an exclusive shareholder of our company.