Komatsu began to establish themselves in 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 businesses such as 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 is build on the foundation and motto of "Quality and Reliability". Komatsu strictly upholds this policy and is fully committed to providing safe and ground-breaking services and products that meet and go beyond the expectations of their customers throughout the world. This standard is a part of each and every piece of machine and line which they make.

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

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

Komatsu's complete series of products include Hydraulic Equipment Casting Products, Components and Casting Products, Engines and Diesel Engines. They have an array Stamping Presses, Metal Forging Equipment, Servo-Presses and small, medium and large-sized presses.

Some of the features which Komatsu offers consist of, Press Brakes, Laser Cutting Machines, Sheet-Metal Machines, Shears and Fine Plasma Cutting Machines. Several of their popular Machine Tools include: Transfer Machines, Wire Saws, Crankshaft Millers and Machining Centers.

The company has a full line of Defense-related machines too. Some of their many items consist of: Thermoelectric Modules, Temperature-control Equipment for Semiconductor Manufacturing, Excimer Lasers, Prefabricated Commercial-Use Structures, CSS-Net and Packing and Transport Equipment.