Kranunion is a group of three leading crane manufacturers specialized in the design and production of cranes and transporters for ports, shipyards, steel mill and the railways:

- KIROW: Founded in 1887 is the world market leader for railway cranes and slag pot carriers. KIROW is well known and reputed for its highly mobile and elegant cranes and its versatile transporters.

- ARDELT: Founded in 1902 is the world market leader for double job level luffing cranes. ARDELT is the specialist for highly efficient slewing cranes. The company stands for its strong tradition for engineering excellence and entrepeneurship

- KOCKS: founded in 1872 is the world market leader for Goliath cranes and the specialist for Container Cranes. When projects requirements test the limits of technology, customers today trust the great know-how of KOCKS.