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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.

123 Manufacturers Dr,, Arnold, MO 63010, United States

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Our Company

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.

To learn more about StockCap's manufacturing capabilities, click here or contact us here.

What makes StockCap a leader in product protection?

Unmatched Selection

More styles and sizes
More standard colors and materials
Ability to mold flexible rubber products
In-house finishing department offering a variety of options
Low Cost

As a plastisol compounder, material is bought in full truck and tanker quantities allowing for lower prices
Plants are designed and optimized for cost-effective product protection manufacturing
Excellent Quality

The StockCap Manufacturing Facility located in Arnold Missouri has been certified to the ISO 9001/2008 standard since March 2004.
StockCap can serve your global needs through our manufacturing and distribution facilities in the U.S., Mexico, China, England, Germany, and Australia.


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  • Location:

    Other: 123 Manufacturers Dr,, Arnold, MO 63010, United States