NatureWorks NatureWorks, established in 1989, has positioned itself as a major player in the bioplastics industry, an industry aiming to replace fossil-based plastics. The company is based in Plymouth, Minnesota, USA. The parent companies are Cargill and PTT Global Chemical. The company's major product is its Ingeo™ biopolymer, a polylactic acid (PLA) product derived from renewable plant resources. NatureWorks