Downer reports its financial results under five service lines: Transport; Utilities; Facilities; Engineering, Construction and Maintenance (EC&M); and Mining.
Rail/Bus
Downer Rail was formed in March 2001 as EDI Rail following the purchase of Evans Deakin Industries by Downer Group. Evans Deakin operated the former Clyde Engineering plants at Kelso and Somerton and Walkers Limited, Maryborough plant. It reopened the former Cardiff Locomotive Workshops to build CityRail M sets. In July 2007 it was renamed Downer Rail.[26]
In 2008 Locomotive Demand Power was established as a subsidiary to lease locomotives. In November 2009 Downer Rail became a tram operator through its 49% shareholding in Keolis Downer that operated the Yarra Trams franchise in Melbourne.[27] In July 2014, Keolis Downer commenced operating the G:link light rail line on the Gold Coast.[28]
In March 2015, Keolis Downer purchased bus operator Australian Transit Enterprises which operates the Hornibrook Bus Lines, LinkSA, Path Transit and SouthLink operations with 930 buses.[29] In July 2017, Keolis Downer commenced operating bus and ferry services in Newcastle under the Newcastle Transport brand.[30][31]
In July 2025, Keolis agreed terms to purchase Downer Group's 49% stake in Keolis Downer.[32] It was completed in December 2025 with the joint venture rebranded to Keolis Australia.[33]
Transport
Transport comprises Downer's road services, infrastructure projects, and rail & transit systems businesses. It conducts transport infrastructure services that include earthworks, civil construction, asset management, maintenance, surfacing and stabilisation, supply of bituminous products and logistics, open space and facilities management and rail track signalling and electrification works.[34] In June 2023, Downer Group sold the transport projects business to Gamuda Berhad who rebranded it DT Infrastructure.[35][36][37]
Utilities
The Utilities service line provides services to customers across the power and gas, water, communications and renewables sectors. Downer designs, builds, operates and maintains steel lattice transmission towers, electricity and gas networks, wastewater treatment plants, water assets, wind farms, solar farms and telecommunication networks such as the NBN.[38]
Facilities
The Facilities services line operates in Australia and New Zealand delivering facilities services to customers across a range of industry sectors including: defence, education, health government and hospitality. Facilities businesses include Spotless, AE Smith, Alliance, Ensign, EPICURE, Mustard, Nuvo, Taylors and Envar.[39]
Asset Services
Downer's Asset Services line includes its Oil and Gas, Power Generation and Industrial businesses and it works with customers in the public and private sectors delivering services including design, engineering, construction and maintenance of critical assets. In the oil and gas sector, Downer's capabilities cover the full range of services including maintenance, shutdown, turnaround and outage delivery, sustaining capital program delivery, project and commissioning services.[40]
Downer also has a Defence business which offers professional and managed services, asset sustainment and estate upkeep services to the Australian and New Zealand defence forces.[41]
Mining
On 1 February 2021, Downer completed the sale of its Open Cut Mining West business to MACA Limited.[42] The remainder of the Downer Mining business was divested in December 2021 upon sale of its Open Cut Mining East division to Buma Australia Pty Ltd.[43]
