StockCap is the foundation of the Sinclair & Rush family of companies. Starting with a small line of protective caps and plugs, the company has grown to become the largest manufacturer of flexible closures in the world. In addition to the large selection of stock products, we offer experienced engineers who are available to develop customized solutions for your product protection needs.
What makes StockCap a leader in product protection?
StockCap can serve your global needs through our manufacturing and distribution facilities in the U.S., Mexico, China, England, Germany, and Australia.
StockCap is a division of
Sinclair & Rush, Inc.
123 Manufacturers Dr.
Arnold, MO 63010
Phone: 800-826-2091 or 636-282-6800