
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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