Streetdirectory.com Gas Services International is in Pioneer district in Singapore's west. A coastal region forming the banks of Jurong Straits and Pesek Straits, the estate is where the nation's first industrial estate, Jurong Industrial Estate, is located. Most businesses here deal in engineering, be it chemical engineering, oil refining or petrochemical engineering Unlike many of its neighbouring estates, however, Pioneer also offers tourist attractions and recreational facilities. You can find the Heritage Conservation Centre here, as well as the Jurong Reptile Park. Alternatively, kayak or canoe at the Singapore Amateur Rowing Association.