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Air Liquide in the
United States of America
About us

About us

Find out more about Air Liquide in the United States: our story, supplier information...

Air Liquide USA LLC

Head Office
9811 Katy Freeway, Suite 100
Houston, TX 77024
+1 713 624 8000

Our story

Air Liquide entered the U.S. market more than 100 years ago. Today, Air Liquide​ in the U.S.​ counts more than 20,000 employees in more than 1,300 locations​,​ offering​​ industrial gases and related services to customers in a range of industries, including oil and gas, chemicals, metals, construction, food and beverage, research and analysis, electronics and healthcare.

Other entities active in the U.S.

Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding equipment and supplies, and safety products. With more than one million customers, Airgas excels at providing customers, large and small. Learn more on the website

Scott Medical Products, a brand of Airgas Healthcare, is a leading worldwide manufacturer of specialty medical gases and associated equipment, as well as active pharmaceutical ingredient fluorocarbon products. With a state-of-the-art cGMP, ISO 9003- registered manufacturing facility and as a registered FDA In-Vitro diagnostic device manufacturer, we can also provide custom products and regulatory and supply chain expertise.

SEPPIC and Schülke are subsidiaries of the Air Liquide group in the healthcare business. SEPPIC designs and markets specialty ingredients and has a presence in the pharmaceutical, cosmetic, nutrition and vaccine markets. It employs 700 employees in 14 countries and have more than 6,000 customers in 100 countries, 80 distributors and 4 production sites. Schülke specializes in preservation and industrial hygiene, fighting global disease and contamination before they occur. They develop, produce and distribute more than 200 products around the world including disinfectants, antiseptics, medicated skin care products, preservatives, deodorant, and system cleaners. Schülke offers innovative technologies, products and services in two core business areas: hygiene and special additives.

Air Liquide Large Industries U.S. LP supplies large quantities of industrial gases to its customers in the metals, chemicals, refining and energy industries. Due to their substantial gas consumption and their need for highly reliable continuous supply, delivery must be ensured through a dedicated plant or via the Air Liquide pipeline network. It also offers technologies and solutions that enhance customer performance through improved energy efficiency and reduced environmental footprint.

Air Liquide Electronics U.S. LP Leveraging its expertise, infrastructure and strategic proximity to its customers, Air Liquide Electronics U.S. serves major manufacturers of semiconductors, flat panel displays and solar cells. Our innovative materials respond to increasingly challenging customer demands for improved mobility, connectivity, computing power and energy consumption. Our offferings include ultra-pure carrier gases, a wide range of specialty gases and advanced precursor molecules, enabling equipment for safe distribution, purification and online purity control.

Air Liquide Engineering & Construction designs, engineers and constructs leading-edge processing facilities and related infrastructure. We are a technology partner of choice for the design, engineering and construction of leading-edge production units and related infrastructure worldwide. Houston, Texas is home to one of Air Liquide’s five engineering centers worldwide.

Air Liquide Advanced Technologies U.S., LLC

  • New energies: Air Liquide Advanced Business & Technologies (aB&T) develops, shapes and incubates significant new markets, sustainable for Air Liquide and our society. With a strong expertise in cutting-edge technologies and inspired by disruptive mindsets, we open new business frontiers. We develop user-focused, innovative and competitive solutions, from the high tech fields: space, aerospace, and scientific research, to the energy transition territories: hydrogen energy and biogas, with a collaborative spirit and an appetite for entrepreneurship.
  • Advanced technology: For more than 50 years, innovation has been at the heart of the business at Air Liquide Advanced Technologies. Squarely focused on the future, we strive to develop the savoir-faire of Air Liquide, the world leader in gases, technologies and services for Industry and Health, in highly-technical technology areas. We specialize in extreme cryogenics and gas engineering, and we offer novel and competitive solutions for our customers.

Air Liquide Advanced Materials

Air Liquide invents and produces innovative molecules the world’s electronics technology leaders require. Custom designed, our wide range of services and equipment facilitate uninterrupted onsite management of gas in compliance with the highest standards of safety. Our R&D centers host a wide range of competencies in achieving the highest level of excellence in the technologies it provides to its customers. At our Delaware Research and Technology Center in Newark, Delaware, (DRTC), the development of innovative solutions for all the Group’s activities on multiple research fields is supported by 7 Global Labs:

  • Process Engineering
  • Life Science
  • Fine Chemicals Synthesis & Surface Science
  • Combustion
  • Material Science
  • Analytical Science
  • Applied Mathematics


  • Supplier Self Certification Form
    PDF - 279.6 KB

Supplier information

Supplier diversity

Air Liquide’s Supplier Diversity Program is devoted to giving the maximum practicable contracting opportunities to all categories of small business concerns (small business, small disadvantaged business, women owned small business, veteran owned small business, service disabled veteran owned small business, and historically underutilized business zone small business) and all categories of diverse suppliers. Our operations have an expansive U.S. presence, and we are committed to supporting local communities by providing opportunities to small and/or diverse suppliers who want to foster long-term, mutual sustainable growth.

Supplier self-certification form

Click here to access Air Liquide's Supplier Self-Certification Form. After completing all required fields, click "Submit Form" at the top of the form.

Supplier code of conduct

The relationship between Air Liquide and its suppliers is founded on a continual and objective assessment of their performance in terms of quality, competitiveness and service. Please see more about Air Liquide’s commitment to responsible suppliers here.

Basic Health, Safety and Environmental work requirements for contractors

Please see more about Air Liquide’s basic work requirements for contractors here.

Learn more


“At Air Liquide, we look constantly for ways to build on the success of our business portfolio.”

Sue Ellerbusch, CEO, Air Liquide USA

Read more

"The success of an organization is largely due to how it looks for opportunities to grow and expand its business. At Air Liquide, we look constantly for ways to build on the success of our business portfolio. We know that through a dedicated and targeted supplier diversity program, we are positioning ourselves each day to better serve our customers through expanded product and services offerings. Supplier diversity is a win-win for our customers, our suppliers and Air Liquide."


Corporate social responsibility

Community partnerships

At Air Liquide, we view community investment not as a choice but as a responsibility we take seriously. We are committed to supporting the communities in which we live and invest both financially and through volunteering time and expertise. In the U.S., Air Liquide’s community engagement program supports philanthropic initiatives dedicated to improving STEM education, child welfare and health, as well as relief efforts for natural disasters.

Air Liquide Foundation

Locations & Contacts

Locations & Contacts

United States of America

Air Liquide USA LLC

9811 Katy Freeway, Suite 100
Houston, TX 77024
+1 713 624 8000

Head Office Industry

259 N. Radnor-Chester Road
Suite 100
Radnor, PA‎
+1 610-687-5253‎

Air Liquide Electronics US

9101 LBJ Freeway, suite 800
Dallas, TX 75243
(loc. Code 44A2)
+1 972 301 5200

Air Liquide Global E&C Solutions US Inc.

9811 Katy Freeway
Houston, TX 77024
+1 713 624 8000

Engineering & Construction
Air Liquide Advanced Technologies US LLC

9807 Katy Freeway
Houston, TX 77024
+1 713 624 8000


30, Two Bridges Road, suite 210
Fairfield, NJ 07004-1530
+1 973 882 5597

Scott Medical Products

6141 Easton Road Box 310
Plumsteadville PA, 18949
+1 800 233 4334
+1 215 766 7250


9811 Katy Freeway suite 100
Houston, TX 77024
United States
+1 713 624 8000