Headquarters / 7-2-18 Uno, Tamano City, Okayama Prefecture tel.0863-21-5474 fax.0863-31-1116

Tamano Office / 3-1-1 Tama, Tamano City, Okayama Prefecture Inside Mitsui E&S Holdings Co., Ltd. Tamano Factory

tel.0863-21-2523 fax.0863-31-6211

Niigata Office / 4-3776 Irifune-cho, Chuo-ku, Niigata City Inside Niigata Shipbuilding Co., Ltd. tel.&Fax.025-222-6310

Yura Office / 193-13 Ajiro, Yura-cho, Hidaka-gun, Wakayama Prefecture Inside MES Yura Dock Co., Ltd. tel.&Fax.0738-65-0082


Start-up year 1917AD

Established  April 1950AD

Capital  30,000,000 JPY

President and CEO Kazuhiko Maeda

The number of employees  103(as of June 2021)

Major customers Mitsubishi Heavy Industries Maritime Systems Co., Ltd Mitsui E&S Holdings Co., Ltd., Mitsui E&S Shipbuilding Co., Ltd., Mitsui E&S Machinery Co., Ltd., MES Yura Dock Co., Ltd., Niigata Shipbuilding Co., Ltd., Pan Pacific Copper Co., Ltd., Kanrei Shipbuilding Co., Ltd.

Trading Bank Hyakujushi Bank Tamano Branch, Kinokuni Shinkin Bank Yura Branch

Business content 

・ General painting work
・ Sandblasting work
・ Can making work (ironwork / welding)
・ Diesel engine assembly, installation, maintenance work
・ Marine transportation of diesel engines and plants
・ Manufacture and import of canned goods in Vietnam
・ Dispatch of engineers to domestic and overseas projects


・ Okayama Prefectural Governor's permission General 19 No. 10095
・ Painter business ・ Interior finish work ・ Machinery and equipment installation work
・ First-class transportation agency business under the Freight Forwarding Business Law, China Marine Co., Ltd. No. 3403
・ General worker dispatch business 33-300054


1918  Mitsui & Co., Ltd. Shipbuilding Department was established in Tamano City, Okayama Prefecture, and at the same time, a painting department was opened.

1950 Established Daido-Toso Co., Ltd. Until now, he has been in charge of the painting department as a partner company of Mitsui Engineering & Shipbuilding Co., Ltd. (currently Mitsui E&S Shipbuilding).

1977 Entered overseas construction work and dispatched engineers to overseas construction work.

2004 Started transportation work for marine engines at Mitsui Engineering & Shipbuilding Co., Ltd. Tamano Works.

2005 Opened a business office at Niigata Shipbuilding Co., Ltd.

2012 Established Daido-Associates Co., Ltd.

2020  Merged with Daido-kougyo Co., Ltd. (Innoshima) and Daido-kogyo Co., Ltd. (Yura) / Increased capital to 30 million yen


1. At Mitsui E&S Shipbuilding Co., Ltd., ships and marine structures. Work on painting of various plants.
2. Equipment maintenance and painting work at Mitsui Kinzoku Co., Ltd. Hibi Smelter.
3. Construction of on-site painting work for chemical, power generation, and environmental plants in Japan and overseas.
4. Main engine assembly work is carried out at Mitsui E & S Machinery Tamano Works.
5. Marine transportation work for the engine completed at Mitsui E & S Machinery Tamano Works to domestic and overseas shipyards.
6. Ship painting work and engine maintenance work at Niigata Shipbuilding Co., Ltd.
7. Painted repair ship and engine maintenance work at MES Yura Dock Co., Ltd.
8. Construction of ship blocks at each shipyard.
9. Manufacture and import of ship accessories, engine accessories, carrier accessories, etc. in Vietnam.
10. Dispatched painting technology instructor and maintenance team for FPSO (floating production storage and shipping facility) of MODEC Co., Ltd.
11. Dispatched painting technology instructors to overseas bridge construction work.