Praxair

A&B Electric Motors and Supplies is a distributes industrial and specialty packaged gases.

Welder Services distributes industrial and safety supplies.

The Welding Center, Inc. offers a range of welding, cutting, and safety supplies and equipment through its store.

NOxBOX Ltd. is a manufacturer of nitric oxide and nitrogen dioxide measurement and delivery systems, primarily serving the medical market. The company provides various products, including NOxBOXlite, an inhaled nitric oxide delivery system designed for emergency and transport situations; NOxBOXO2, which enables real-time monitoring of nitric oxide, nitrogen dioxide, and oxygen; and NOxBOXi, tailored for inhaled nitric oxide therapy. Additionally, NOxBOXmobile is a self-contained system that facilitates the easy deployment and monitoring of nitric oxide near a patient's ventilator. Founded in 2015 and based in Maidstone, United Kingdom, NOxBOX aims to deliver accurate, real-time monitoring to ensure correct dosages and minimize side effects associated with inhaled nitric oxide therapy.

Tecnogas S.A., founded in 1993 and based in Callao, Peru, specializes in the production and distribution of carbon dioxide and other industrial gases. The company serves various sectors by providing essential gases for industrial applications. As of 2015, Tecnogas operates as a subsidiary of Praxair Inc., further enhancing its capabilities and market reach in the region.

Yara is a Norwegian company founded in 1905 that specializes in manufacturing fertilizers and crop nutrition solutions aimed at promoting sustainable agriculture. With a global presence, Yara operates in 150 countries, providing essential products to meet the food production needs of a growing population. In addition to its agricultural focus, Yara offers industrial products that help reduce emissions and enhance air quality, contributing to safer and more efficient operations across various sectors. The company prioritizes safety in all its activities and solutions.

Cryospec provides installation services for Nitrogen, Argon, Oxygen, Carbon Dioxide, Helium, and Hydrogen cylinders.

Garland Welding Supply distributes gas and welding products.

Lake Welding Supply Co. markets and distributes welding equipments, consumables, industrial, specialty, medical and carbonic gases, safety equipments, abrasives, and power and hand tools.

United Welding Supplies is the independent gas and welding products distributors in the greater Houston area.

Best Welders Supply distributes industrial, cryogenic, and specialty gases, as well as welding supplies and equipment.

Volgograd Oxygen Factory is a producer and distributor of industrial gases.

Dominion Technology Gases Investment (Dominion), is a global supplier of diving, welding, industrial, laboratory and calibration gases and associated equipment to the offshore oil and gas industry.

Tri-State is a producer of high-quality, bulk carbon dioxide gas for industrial use in the greater Cincinnati area.

Provider of certified, beverage-grade carbon dioxide and draft-grade nitrogen gas to the restaurant and hospitality industry. The company provides services including bulk CO2 system installation and maintenance, bulk CO2 delivery and in-house technical support services and refilling of beverage-grade bulk CO2. It also leases bulk CO2 system related equipment and also supplies high-pressure gases in cylinder form.

PortaGas is a Houston-based company that specializes in providing calibration gases and associated instrumentation for environmental and industrial hygiene applications. The company effectively serves the needs of its Gulf Coast customers while also catering to clients globally. PortaGas focuses on delivering high-quality calibration gas and regulators to ensure accurate measurements and compliance in various industrial settings.

Acetylene Oxygen Company manufactures and distributes industrial, medical, and specialty gases in Texas and Mexico. It offers high pressure cylinder gases, including air, argon, carbon dioxide, helium, hydrogen, nitrogen, oxygen, and propane; and low pressure cylinder gases, such as acetylene. The company also bulk gases, including argon, carbon dioxide, nitrogen, oxygen; chlorine, sulfur dioxide, and anhydrous for water treatment; and medical gases, such as oxygen, carbon dioxide, nitrogen, and nitrous oxide. In addition, Acetylene Oxygen Company packages chlorine, caustic soda, SO2, and anhydrous ammonia from railcars to cylinders; and distributes to the water treatment industry. Further, the company distributes welding and safety supplies, including gas apparatus, welding machines, plasma products, power and hand tools, safety equipment, hand tools, welding accessories, and pool chemicals. Acetylene Oxygen Company was founded in 1936 and is based in Harlingen, Texas. As of November 16, 2012, Acetylene Oxygen Company operates as a subsidiary of Praxair Distribution, Inc. Source: (Businessweek) {http://investing.businessweek.com/research/stocks/private/snapshot.asp?privcapId=4484460}

CCG a welding supply company, distributes welding products in the United States and Eastern Canada.

Volzhsky Azot operates in the industrial and packaged gases sector, includes two air separation units and a bulk, and packaged gas business.

A retail and cylinder filling plant and distributes industrial and specialty gases, welding equipment, supplies, and related services.

TWSCO distributes package and specialty gases.

American Gas Group is a leading independent specialty gas producer in North America, specializing in the packaging and distribution of a diverse range of specialty gases. These include EPA Protocols, hydrocarbons, volatile organic compound mixtures, reactive mixtures, high-purity chemicals, and research-grade gases, alongside industrial and medical gas products. The company operates as a manufacturer, importer, exporter, and global distributor, providing not only specialty gases but also supplies, hardware, and equipment for the compressed gas and welding industries.

National Alloy & Equipment operates as a supplier of welding equipment and other welding related products.

Weldco is an independent distributor of industrial and specialty gases and ancillary welding equipment, supplies and services.

Sermatech International develops and applies engineered protective coatings for the aerospace, oil and gas, and power generation industries.

Service Gas Supply, Inc. provides industrial and specialty gases, equipment and supplies, and services.

Fowler Brothers engages in sale of packaged gas.

Alabama Welding Supply of Dolomite engages in the distribution of welding equipment and safety and specialty gases.

Kirk Welding Supply, Inc. operates as a gas and welding supply company in Missouri and Kansas.

Wilson is a independent distributor of industrial, medical, specialty gases and related equipment and supplies.

Yara - Industrial Gases Business is a provider of nitrogen fertilizers and industrial applications.

Rite Weld is a regional independent distributor of industrial, medical, specialty gases and related welding equipment and supplies.

Mittler Supply, Inc. operates as an independent distributor of industrial, medical, and specialty gases, safety equipment.

Linde's industrial and medical gases industrial gases and engineering company with more than 53,000 employees working.

Welding Equipment Company, Inc. operate retail stores that supply a variety of packaged industrial, medical and specialty gases.

Lake County Medical Gas, Inc. supplies medical and industrial gases in Illinois. Its products include helium, oxygen, nitrogen, carbon dioxide, and nitrous oxide.

Hobart Industrial Gases & Supplies distributes welding equipment, as well as welding, industrial, and specialty gases.

Constar LLC fills and distributes high-pressure industrial, medical and specialty gas cylinders and other gas containers.

Air Liquide - German Industrial Gas Business is a provider of multinational company which supplies industrial gases.

Home Care Supply specializes in providing home medical equipment and supplies designed to assist patients with various health needs. The company offers a range of products including electric and manual beds, wheelchairs, walkers, canes, pumps, food supplements, and bedside commodes. It focuses on serving individuals who are recovering, disabled, or chronically or terminally ill, delivering essential equipment and rehabilitation supplies to support their daily activities and health care needs. Additionally, Home Care Supply provides home-based health care services that encompass medical, nursing, social, and therapeutic treatment, ensuring comprehensive support for patients in need.

United Welding Specialties supplies gas and welding equipment and cylinder.

Praxair Cryomag Services offers services for the super-conducting magnet industry.

Air Products Canada - Western Canada bulk gas business supplies and distributes industrial gases and specialty gases.