Ventia is one of Australasia’s largest essential services providers, delivering operations, maintenance, and management of critical infrastructure across sectors including defence, transport, telecommunications, and social infrastructure. Formed in 2015 through the merger of Leighton Contractors Services, Thiess Services, and Visionstream, it expanded in 2020 by acquiring Broadspectrum . Headquartered in North Sydney, Ventia employs over 35,000 people and operates across more than 400 sites in Australia and New Zealand . The company is listed on both the ASX and NZX under the ticker code VNT.