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Air Liquide
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Engineering & Construction


Large projects


Pushing back the frontiers of science

Air Liquide anticipates the major challenges of its markets, invests at both the local and global levels, and offers high-quality solutions to its customers, its patients, and the scientific community as a whole. Ever since the company was founded in 1902, we have been a leading partner in the major international scientific projects of our times. Today, we are contributing to the opening of markets linked to the energy transition, such as hydrogen energy and biogas. Lastly we offer innovative solutions to laboratories and research center in both the public and private sectors.

Providing high technology solutions

As a preferred partner of the scientific community, Air Liquide contributes the very high-technology solutions crucial to the success of major research projects, with particular focus on:

  • Discovering the energy sources of tomorrow, with hydrogen energy, second-generation biofuels and the International Thermonuclear Experimental Reactor’s (ITER) centralized cooling system, the biggest one ever built
  • Expanding our knowledge about the origins of the universe, with the world's most powerful particle accelerator at CERN and its cryogenic line, the largest ever built
  • The conquest of space, with the Ariane 5 launch vehicle’s cryogenic tanks, orbital cryogenics, etc.

Developing new energies

Air Liquide is actively involved in the development of the field of new energies, acting as a driver of innovation and playing an essential role in terms of regulatory advances. We value innovative technology and solutions in the renewable energy sector: hydrogen energy, biogas upgrading, and cold transportation using nitrogen. In so doing, we offer our customers the technologies, equipment, and services that best meet their needs.

Anticipating the needs of research laboratories and centers

Air Liquide is a key partner and supplier for both private and public laboratories, research centers, large-scale scientific facilities and R&D departments. Our customers, specialized in research, testing and measurement in fields such as electronics, chemicals, pharmaceuticals and aeronautics expect us to have a high level of expertise, on par with their own.

Our customers expect us to have a level of expertise on par with their own

They look for our teams to be proactive in anticipating their needs and developing innovative, smart solutions tailored to their research. In addition, we have to deliver the products with a minimal delay as researchers are constantly seeking to minimize time to market.

Partnering research teams worldwide

This scientific expertise is also being reinforced in connection through strategic partnerships with scientific laboratories affiliated with universities and technology institutes around the world, such as the CNRS (the French National Center for Scientific Research) and the CEA (the French Alternative Energies and Atomic Energy Commission) in France. Thanks to these close collaborations, academic scientists and Air Liquide teams are pooling their knowledge and resources to develop cutting-edge applications for use in the projects of our customers (superconductivity, oxy-combustion, energy from biomass, digitization, etc.).

Focus on

Gas Encyclopedia: the authoritative reference

An essential resource for students, scientists, professionals and anyone with an enquiring mind who wants a comprehensive source of information about gas molecules.

Read more

It is essential to add value to our scientific and technical expertise by contributing to the process of sharing information with the academic world. The Gas Encyclopedia, produced with input from our research teams and available free over the Internet, is a perfect example of this commitment. It is packed with practical information about many gas molecules in their solid, liquid and gaseous states. The iPad version of the encyclopedia offers a number of additional functions, including a molecule comparator for laboratory work, a filtered search engine, a unit converter and the option to view molecules in 3-D.