Closure Systems International Machinery (Germany) Gmbh, formerly ALCOA Maschinenbau, located in Viernheim, is a global manufacturer and supplier of closure technology. The CSI product range includes capping equipment, sorting technology for caps and decappers for a wide range of packaging concepts. As a specialist in closure application, CSI offers solutions for processing aluminium roll-on caps (e.g. Talog, 5SE, Stelvin, LongCaps, pourers), plastic screw caps, MaxiCrown caps/ring pulls, synthetic corks, twist-off caps, press-on caps, StelvinLux, etc. for a wide range of market segments. These include the drinks industry, breweries, wine and sparkling wine bottling plants, mineral springs, the food processing industry, the chemical and pharmaceutical industries as well as the aerosol market segment (spray cans). Here, CSI provides closures for both glass and plastic bottles along with aluminium bottles and spray cans (aluminium/steel).

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Business activity

Keywords associated with this company

Crimping machines /  Capping machines for bottles /  Capping machines for wine bottles /  Special machines for the pharmaceutical and cosmetics industry /  Packaging machines for the drinks industry /  Capping machines for screw and press-on caps /  Custom capping machines /  Aluminium bottles /  Spare parts for bottle filling and capping machines /  Filling and capping machines, combined, for bottles /  Laboratory apparatus for the food industry /  Disc sorters for caps /  Special machines for the drinks industry /  Sorting machines for the packaging industry /  Packing machinery /  Cap handling systems /  Headsets and chucks /  Seal tensioners / 

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Additional details

Key figures

  • company headcount
    11 – 50


  • Year established
  • Site status
    Registered office, Parent company
  • Main activity
    Manufacturer/ Producer

Markets and trading zones

  • Trading areas
    Regional  -  National  -  European  -  International