- Aeroflex - A number of gas producers and equipment manufacturers worldwide.
- Air Liquide - Specialised in industrial and medical gases and related services, AIR Liquide group supplies oxygen, nitrogen, hydrogen and more.
- Bernini Impianti s.r.l - An Italian based company that provides natural gas, landfield gas, oil, and solid fuel.
- BOC Gases - Suppliers of industrial, medical and special gases.
- Dixons of Westerhope - Providing a wide range of gas related products and services.
- Energas - One of the UK's leading suppliers of industrial gases and welding products.
- Eso.lt - Specialized in activities are electricity, natural gas, transmission, distribution and sales of this product.
- GMI Ltd - Offers gas measurement instruments, combustible and toxic gas detectors for hazardous area, confined space & personal protection.
- Medical Gases - One of the leading suppliers of gas control, delivery systems for the pharmaceutical,medical, research and industrial industries.
- Micro Gas - Micro gas is a leading process systems installation contractor.
- North West Gases - North west gases are specialist suppliers of compressed cylinder gases to domestic, commercial and industrial customers.
- Northover Fuels - Oil and coal merchants energy supply coal/smokeless fuels, oil, gas, diesel, fuel sundries and stoves.
- The Linde Group - Supplier of industrial, fuel gases, packaged chemicals, process and speciality gases.
- Total - Totalís operations span the entire oil and gas chain, from exploration, development and production to midstream gas, and more.