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What we do

More than just technology

Air Liquide Engineering & Construction builds the Air Liquide Group’s production units (mainly air gas separation and hydrogen production units) and also supplies external customers with its portfolio of technologies.

Worldwide engineering expertise
Worldwide engineering expertise


Worldwide engineering expertise

Air Liquide Engineering & Construction is an international leader with a local presence. With over 3 500 employees and 15 engineering centers worldwide, we reflect the diversity of our markets and regions. We combine technical expertise with innovative proprietary technology to help both the Air Liquide Group and customers from a wide range of industries to engineer, construct and procure gas processing facilities and related infrastructures.

Our solutions meet our customers'  growing needs for safe, reliable and competitive operations, and optimize their use of natural resources. In this way, we contribute to transforming industries and improving the way people work.

​More than just technology
​More than just technology

​More than just technology

Air Liquide Engineering & Construction offers customizable solutions that cover the entire lifecycle of engineering and construction projects. Our customers are looking for support in project management, execution, and risk management, as well as the optimisation and maintenance of plants once they are in production. We work with them to solve even the most complex challenges.

Safety and quality are key concerns. We ensure that every action we undertake, from initial design through to construction, reflects our goal of ensuring personal safety, and protecting the environment.

To achieve this, we have a diverse team of experts with extensive experience in areas such as process design, detailed engineering, piping and instrumentation, and electrical, mechanical and civil engineering. Our people's ability to constantly question conventional ideas and continually find new solutions is what makes us different, and has allowed us to file over 1 600 patents.

​A full suite of services
​A full suite of services

​A full suite of services

Our portfolio of Services includes everything from initial conceptual and feasibility studies to turnkey solutions and the handover of the completed facility. We provide five main types of solutions:

  • Long Term Service Agreements: A closer partnership through premium services adapted to your specific needs including, for example, on demand technical support (hotline), definition and optimization of maintenance programs and performance guarantees.
  • Product Support Services: remote technical assistance, monitoring and diagnostics, customer training and safety audits and recommendations.
  • Engineering Services: conversions, modifications, upgrades: from conceptual and feasibility studies to project execution for the improvement of existing plants, design for third parties and validation, performance improvement programs.
  • Site Services: sending our experts on-site to resolve issues, check performance, install new components, supervize planned or unplanned shut-down events.
  • Spare Parts Services: specific lists and supply for your asset management, safety stocks, interchangeability studies, compliance with updated regulations.

We have also built a comprehensive program of customer training courses. Through a combination of theoretical classes and hand-on sessions, participants can learn about a variety of subjects, including the design and operation of Liquefied Natural Gas (LNG) plants, safety in handling and transporting cryogenic liquids, and the maintenance of cryogenic plants.

Proprietary technology

​Proprietary technology

Air Liquide Engineering & Construction is strongly committed to finding new and innovative ways to answer its customers' evolving needs. In response to this challenge, we have built a comprehensive portfolio of proprietary technology.

From our pioneering development of air separation technologies to our renowned Lurgi Methanol to Propylene (MTP™) technology for propylene production, our innovations help optimize our customers' facilities and better integrate their processes.

As a responsible company, we design all our technologies to be as environmentally-friendly as possible, enabling our customers to reduce the environmental impact of their production facilities.