National Lubricating Grease Institute (NLGI) - India Chapter
Website: http://www.nlgi-india.org/
Association of Oil and Gas Operators (AOGO)
Website: http://www.aogo.in
Petroleum Federation of India (PetroFed)
Website: http://www.petrofed.org
Petroleum Conservation and Research Association (PCRA)
Website: http://www.pcra.org