G3 Enterprises
G3 Closures: Caps, Capsules, and Corks

Closures for Beer, Wine, Beverages, and Spirits
G3 manufactures and distributes high-quality closures for the wine, spirits, beer, and non-alcoholic beverage industries.
Caps
G3’s 30x60mm GTWIST™ cap collection features the latest in OTR-controlled liner technology. Our Closure team offers custom caps in various options, from elegant designs to innovative ink technologies. Stock color caps are also available in our stock program.
Capsules
A capsule is a protective sleeve that goes over the neck of a glass bottle for a variety of beverages and premium foods. G3 Enterprises offers various capsule solutions such as tin, polylaminate, and PVC capsules.
Diam Corks
G3 Enterprises is the exclusive distributor of Diam corks in North America. Diam corks are made of natural granulated cork and processed utilizing Diam’s revolutionary technology to eliminate cork taint. Diam corks offer a wide range of permeability and product options for still and sparkling wine, spirits and beer.
What Are the Benefits of G3's Caps, Capsules, and Corks?
G3 caps and capsules and Diam corks are produced with sustainability in mind. Over 95% of cork waste is recycled and over 30% of capsule decorations use non-solvent-based UV printing.