StockCap is the foundation of the Sinclair & Rush family of companies. Starting in a backyard garage 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. Our chemists have compounded thousands of formulas.
Read more about plastisol compounding here. (GripWorks, like StockCap, is a division of Sinclair & Rush, Inc.)
To learn more about StockCap's manufacturing capabilities, click here or contact us here.
What makes StockCap a leader in product protection?
Unmatched Selection
Low Cost
Excellent Quality
Global
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.
111 Manufacturers Dr.
Arnold, MO 63010
Phone: 800-827-2277 or 636-282-6800
Fax: 636-282-6888