Komatsu began to establish themselves in the year 1921 as a diversified provider of industrial-use services and products. Still to this day, the Komatsu Group remains leading manufacturer of mining and construction equipment. They also are active in other kinds of businesses like for instance utility equipment, compact machines, logistics and other solutions-based operations, forest machines and industrial machinery. Komatsu Group is also involved in different kinds of utility equipment and compact machines.

The company maintains "Quality and Reliability" as their most vital management policy. Komatsu strictly upholds this policy and is wholly committed to providing innovative and safe products and services which meet and exceed the expectations of their clients all over the globe. This standard is a part of every piece of machinery and line which they make.

The company manufactures a huge variety of industrial equipment like: Articulated Dump Trucks, Wheel Loaders, Mini Hydraulic Excavators, Bulldozers, Dump Trucks, Motor Graders, Compact Machines for Utility Equipment, Forklift Trucks, Feller-bunchers, Harvesters, Mini Wheel Loaders, Backhoe Loaders and Skid Steer Loaders.

The company is also a manufacturer of Construction and Mining Machines, Mobile Screens and Forwarders. They also make other equipment utilized for Slag Handling, Demolition, Airport Equipment, Tunneling machines, Shield Machines and Small-diameter Pipe Jacking Machines referred to as "Ironmole".

Komatsu's full line of products consist of Hydraulic Equipment Casting Products, Casting Products and Components, Engines and Diesel Engines. They have a variety of Stamping Presses, Metal Forging Equipment, Servo-Presses and small, medium and large-sized presses.

Komatsu provides Laser Cutting Machines, Press Brakes, Sheet-Metal Machines, Fine Plasma Cutting Machines and Shears. Some of their well-known Machine Tools include: Wire Saws, Transfer Machines, Crankshaft Millers and Machining Centers.

The company has a complete series of Defense-related machines also. Some of their numerous items comprise: Thermoelectric Modules, Temperature-control Equipment for Semiconductor Manufacturing, Prefabricated Commercial-Use Structures, Excimer Lasers, Packing and Transport Equipment and CSS-Net.