PT Sidomulyo Selaras Tbk engages in the transportation of toxic and hazardous chemicals in Indonesia. The company is also involved in the transportation of crude oil; buying and selling of spare parts of trucking vehicles; customs clearance and services; warehousing, washing, repairing, and renting of isotanks; and freight forwarding activities. It primarily serves companies operating in the upstream chemical industry that produce basic chemicals for domestic and export markets. The company was founded in 1993 and is headquartered in Jakarta, Indonesia.