Service Stream Ltd. engages in the provision of telecommunications and network services. It operates through the following segments: Fixed Communications; Mobile Communications; and Energy & Water. The Fixed Communications segment designs, installs, and maintains telecommunications network infrastructure. The Mobile Communications segment constructs and manages wireless and fixed-line telecommunications, signaling, and power. The Energy & Water segment offers metering and energy services to electricity, gas, and water networks. The company was founded by Adrian Field and Russell Andrew Small in January 2004 and is headquartered in Melbourne, Australia.