0800 637737 Contact Industries Solutions Supply modes About us Quotes & Enquiries Resources Career Blog Log In Resources Learn more about Air Liquide products. Certifications Library A world leader in gases, technologies and services for Industry and Health, Air Liquide is present in 80 countries with approximately 66,000 employees and serves more than 3.6 million customers and patients. Oxygen, nitrogen and hydrogen are essential small molecules for life, matter and energy. They embody Air Liquide’s scientific territory and have been at the core of the company’s activities since its creation in 1902. Gas Encyclopedia Safety Data Sheets Air Liquide Foundation Brexit General Statement Frequently Asked Questions Terms and Conditions CONNECT WITH US © Air Liquide 2021 Legal NoticeCookie PolicyCreditsSitemapModern Slavery StatementSafety Emergency Contact Manage cookies