or
Komatsu is a multinational corporation that manufactures construction

Construction

In the fields of architecture and civil engineering, construction is a process that consists of the building or assembling of infrastructure. Far from being a single activity, large scale construction is a feat of human multitasking...

, mining

Mining

Mining is the extraction of valuable minerals or other geological materials from the earth, from an ore body, vein or seam. The term also includes the removal of soil. Materials recovered by mining include base metals, precious metals, iron, uranium, coal, diamonds, limestone, oil shale, rock...

, and military

Military

A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

 equipment, Industrial equipments such as press machines, lasers, and thermoelectric generators.
Its headquarters is at 2-3-6, Akasaka, Minato, Tokyo

Minato, Tokyo

is one of the 23 special wards of Tokyo, Japan. As of 1 March 2008, it had an official population of 217,335 and a population density of 10,865 persons per km². The total area is 20.34 km².Minato hosts 49 embassies...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. Its name was taken after the current city of Komatsu, Ishikawa

Komatsu, Ishikawa

is a city located in Ishikawa Prefecture in the Hokuriku region of Japan.As of 2008, the city has an estimated population of 109,285 with a density of 294 persons per km². The total area is 371.13 km²....

 at the company's foundation there in 1917.

Komatsu is the world's second largest manufacturer of construction equipment

Construction Equipment

Construction Equipment is a trade publication and web site serving the information needs of construction contractors, materials producers, and other owners and operators of construction equipment....

 and mining equipment after Caterpillar

Caterpillar Inc.

Caterpillar Inc. , also known as "CAT", designs, manufactures, markets and sells machinery and engines and sells financial products and insurance to customers via a worldwide dealer network. Caterpillar is the world's largest manufacturer of construction and mining equipment, diesel and natural gas...

.