One of the main industries in Imabari is shipbuilding.

Imabari Shipbuilding Co.,Ltd., based in Imabari City is one the biggest shipbuilding companies in Japan.

Many ships are being built annually in some eight shipyards along the

Seto Inland Sea.

More than 10 shipbuilding companies concentrate in Imabari City, building

the largest number of ships in Japan.

In the 15th century, this area had the largest sea power or militia in Japan.