Founded in 1937 as the Society of the Plastics Industry, SPI: The Plastics Industry Trade Association promotes growth in the $427 billion U.S. plastics industry. Representing nearly one million American workers in the third largest U.S. manufacturing industry, SPI delivers advocacy, market research, industry promotion, and the fostering of business relationships and zero waste strategies. SPI also owns and produces the international NPE trade show. All profits from NPE are reinvested into SPI’s industry services.