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

The company is build on the foundation and motto of "Quality and Reliability". Komatsu strictly upholds this policy and is totally dedicated to providing safe and innovative products and services which meet and go beyond the expectations of their customers throughout the world. This standard is a part of every piece of machine and line which they manufacture.

Komatsu produces various industrial machinery, such as: Articulated Dump Trucks, Wheel Loaders, Mini Hydraulic Excavators, Bulldozers, Dump Trucks, Motor Graders, Forklift Trucks, Compact Machines for Utility Equipment, Feller-bunchers, Harvesters, Skid Steer Loaders, Mini Wheel Loaders and Backhoe Loaders.

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

Komatsu has a full line of Hydraulic Equipment Casting Products, Components and Casting Products, Diesel Engines and Engines. They have an array Metal Forging Equipment, Stamping Press, small, medium and large-sized presses, and Servo-Presses.

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

Komatsu also has a full line of Defense-related equipment as well, which includes things such as: Temperature-control Equipment for Semiconductor Manufacturing, Thermoelectric Modules, Excimer Lasers, Prefabricated Commercial-Use Structures, CSS-Net and Packing and Transport Equipment.