Closure Systems International is recognized as a global leader in closure design, manufacturing, and high speed application systems for many markets.

CSI's custom capabilities offer closure solutions to fit all needs.

CSI Bottle Closures Markets
Closures for Beverages


CSI has plastic and aluminum beverage closure solutions that satisfy consumers and bottlers alike.

CSI's one-piece and two-piece designs are suitable for a wide variety of filling processes, such as Cold-fill, Hot-fill, Aseptic-fill, Extended Shelf Life, Pasteurized, and CO2 and Nitrogen Pressurized applications

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Closures for Food


CSI offers a complete line of narrow-mouth and wide mouth plastic food closures perfect for applications such as Salad Dressing, Barbeque Sauces, Edible Oil, Vinegar, Peanut Butter, Mayonnaise, and Coffee.

A variety of sealing options and custom decorations are available according to your needs.

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Closures for Pharmaceuticals


To fulfill pharmaceutical market needs, CSI offers controlled environment, clean room manufacturing.

In addition to CSI's secure Pharma-Lok 18mm and 24mm caps, CSI also supplies pharmaceutical accessories such as dosing cups to complement the portfolio.

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Closures for Automotive Fluids

Automotive Fluids

Closure Systems International's automotive fluid closures are specifically engineered to protect the integrity of your brands.

CSI's caps deliver unparalleled leak-proof performance for consumers and easy application for optimal operational efficiency.

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Closures for Custom Solutions

Custom Closures

If you can dream it, we can mold it.

CSI is pleased to partner with customers on packaging that differentiates your brands, adds consumer appeal, and/or optimizes your total cost of operations. Give us a call to discuss how CSI can help you mold your company's success.

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Major categories served include Carbonated Soft Drinks, Bottled Water, Juices, Sport Drinks, Teas, Adult Beverages, Dairy, Food, Pharmaceutical, and Automotive Fluids.

For all markets served, CSI's closure systems solutions helps customers maximize profits by increasing the marketability of their brands and optimizing their total cost of operations.