Closure Systems International (CSI) Employee Directory
Packaging and Containers ManufacturingIndiana, United States501-1000 Employees
Closure Systems International (CSI) is a packaging and containers manufacturer headquartered in Indianapolis, Indiana, with an address at 7820 Innovation Boulevard. The company designs and manufactures closures and capping equipment for consumer and industrial markets and provides technical services for high-speed application systems. CSI serves major categories including carbonated soft drinks, bottled water, juices, isotonics, teas, adult beverages, dairy, foods, pharmaceutical and automotive fluids. It produces more than 50 billion closures annually across nine manufacturing sites and employs between 501 and 1000 people. In May 2026, CSI acquired two North American manufacturing facilities from Amcor as part of expansion. The company engages in sustainability initiatives and has partnerships with organizations such as the U.S. Plastics Pact, the Sustainable Packaging Coalition, and the Association of Plastic Recyclers.