SOL Group

Oxygen

Barcelona, Spain

SOL Group is a multinational company manufacturing and supplying industrial gases such as oxygen across Europe and Latin America.

Linde plc

Linde is a leading global industrial gases and engineering company, supplying hydrogen and related technologies to various industries.

Ireland

Air Liquide S.A.

Air Liquide is a world leader in gases, technologies and services for Industry and Health, specializing in hydrogen production and supply.

France

Praxair, Inc.

Praxair, now part of Linde plc, is a major industrial gases company supplying oxygen, nitrogen, and other gases globally.

United States of America

Member since 2026

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