NSL OilChem Services Pte Ltd (NOCS) is a leading distributor of petroleum products.

The high quality lubricants and greases under its own house brand called Cheston and Liquid Gold are manufactured under stringent specifications and quality control, meeting the international requirements of OEMs. These lubricants and greases include automotive engine oil, motorcycle oil, industrial gear oil, marine engine oil, turbine oil and other specialties and greases.

NOCS is the authorized distributor for Singapore Petroleum Company Limited (SPC), Chevron and ExxonMobil petroleum products. 

NOCS trades under its own name and through its wholly-owned subsidiary NSL Watt Wah (NSLWW).  Besides supplying general off-the-shelf lubricants, the company is able to formulate and blend to meet the customers' specific needs. It also provides consultancy service on application of the lubricants and general advice on petroleum products.