The Independent Lubricant Manufacturer Association (ILMA) was established in 1948 it is a members only trade organization that represents the interests of lubricant

Lubricant

A lubricant is a substance introduced to reduce friction between moving surfaces. It may also have the function of transporting foreign particles and of distributing heat...

 manufacturers. The word "independent" in the name indicates that Integrated Oil Companies (Big Oil) are not members however most of them are ILMA sponsors.