UGL Rail is an Australian rail company specialising in building, maintaining and refurbishing diesel locomotives, diesel and electric multiple units and freight wagons. It is a subsidiary of UGL and is based in Melbourne, with a staff of 1,200 across Australia and Asia. It operates factories in Broadmeadow, Maintrain Auburn, Spotswood and Bassendean. While it used to operate a factory in Taree, the plant was shut down and the equipment sold off.

Hyundai Rotem Co. is a South Korean company that manufactures rolling stock, defense products and plant equipment. It is a part of the Hyundai Motor Group. Its name was changed from Rotem to Hyundai Rotem in December 2007 to reflect the parent company. It is also called Hyundai Railroad Technology Systems.