Service Stream Ltd. engages in the business of designing, constructing, operating, and maintaining critical infrastructure networks. It operates through the following segments: Telecommunications, Utilities, Transport, and Other. The Telecommunications segment includes operations, maintenance, installation, design, and construction services to the owners of fixed-line and wireless telecommunication networks. The Utilities segment is involved in gas, water, and electricity network owners, industrial asset owners, and other customers. The Transport segment focuses on long-term operational support and maintenance services to public and private road and tunnel asset owners. The company was founded by Adrian Field and Russell Andrew Small on January 8, 1996 and is headquartered in Melbourne, Australia.