RUBBER ASSOCIATIONS The Rubber Manufacturers Association (RMA) is the national trade association for tire manufacturers that make tires in the United States. http://www.rma.org/index.cfm The International Rubber Study Group (IRSG) is an intergovernmental organization recognized as an international body located in Singapore, formally established by a Headquarters Agreement with the Government of Singapore. http://www.rubberstudy.com/default.aspx The International.. read more →