Calgaz – Leading the World

Calgaz has been the global leader in specialty calibration gases for almost 45 years. With the largest range of calibration gases in non-refillable cylinders and equipment in the world and a large network of international distribution hubs Calgaz is truly the global leader.

Calgaz is the “one-stop shop” for all your calibration gas needs, wherever you are.

  • Complete range of calibration gases, equipment and accessories
  • Servicing the Industrial Safety, Marine, Mudlogging, Breath Testing and Laboratory markets
  • Manufacturing and global distribution from the USA and UK 
  • Distribution Hubs in Belgium, Netherlands, Dubai, Singapore, and Shanghai
  • Accredited to ISO 9001:2015 certification, ISO 11118:2019 and ISO/IEC 17025:2017

Global Manufacturing and Hub Locations to serve you best

Our sales and service teams around the world are here to support you. With global distribution and same-day despatch available on key products, Calgaz is ready when you are.

Manufacturing Plants

  • USA – Cambridge, MD
  • UK – Stoke

Distribution Hubs and Offices

  • Europe – UK, Belgium and Netherlands 
  • USA – Houston, TX (Head-office) and Cambridge, MD
  • Middle East –  Dubai
  • China – Shanghai
  • Asia – Singapore

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