Alfred B. Crichton

Airgas Carbonic, Inc. manufactures and distributes liquid carbon dioxide. It has nearly six production facilities serving 19 states. The company is headquartered in Duluth, GA.

Airgas Data LLC distributes industrial, medical, and specialty gases. It produces nitrous oxide, dry ice, and liquid carbon dioxide. The company is also distributor of chemicals, refrigerants, and ammonia products. Airgas Data is headquartered in Radnor, PA

Airgas East, Inc. manufactures and supplies industrial, medical, and specialty gases and all related equipment and services. Its products include specialty gases, disposable cylinder solutions, medical gases, welding shielding and cutting gases, bulk gases, refrigerant gases, liquid CO2 and dry ice, welding equipment, welding consumables, and industrial coatings. Airgas East was founded in 1945 and is headquartered in Salem, NH.

Airgas Great Lakes, Inc. manufactures and distributes industrial, medical, and specialty gases and related equipment and services. It produces nitrous oxide, dry ice, liquid carbon dioxide and process chemicals, refrigerants, and ammonia products. The company is headquartered in Independence, OH.

Airgas Gulf States, Inc. distributes industrial, medical, and specialty gases. It also retails welding supplies, safety products, and tools online. The company is headquartered in Daphne, AL

Airgas Intermountain, Inc. manufactures and distributes industrial, medical, and specialty gases. The company was founded in 1969 and is headquartered in Denver, CO.

Airgas-Mid America, Inc. distributes welding gases and supplies. The company also provides technical support for machinery. It operates in Missouri, Illinois, Indiana, Kentucky, West Virginia, Tennessee and Virginia. Airgas-Mid America is headquartered in Bowling Green, KY

Airgas Mid South, Inc. manufactures and supplies industrial, medical and specialty gases. The company's products include welding shielding & cutting gases, welding equipment, safety products, industrial tools and supplies. It offers services in Oklahoma, Arkansas, Kansas, North Texas, Missouri, Northern Louisiana, Western Tennessee, and Northwest Mississippi. Airgas Mid South is headquartered in Tulsa, OK.

Airgas North Central, Inc. distributes welding gases. The company provides technical support for machinery. It also provides warranty service for Miller Electric, Lincoln Electric, Thermal Dynamics, Hypertherm and ESAB. Airgas North Central is headquartered in West Chicago, IL.

Airgas Northern California & Nevada, Inc. distributes industrial, medical and specialty gases. The company also provides welding & safety products and equipment. It is headquartered in Sacramento, CA.

Airgas Safety, Inc. distributes industrial and safety products. The company provides safety supplies useful for abatement, eye protection, face, head, hearing and respiratory protection. Its products include hats, helmets, goggles, glasses, rainwear, boots, fire extinguishers, first aid supplies, gloves, signs, mats, cans, flashlights, batteries, cones, and vests. The company is headquartered in Bristol, PA.

Airgas Specialty Gases, Inc. distributes specialty gases and refrigerants. It provides purity gases, gas mixtures, calibration standards and medical devices. The firm also provides refrigerants in various grades, purities and containers. Airgas Specialty Gases is located in Radnor, PA.

Airgas West, Inc. provides welding supplies, industrial gases and specialty products. It also offers fire protection, medical, beverage equipment and homecare products. The company provides services in the Southern California, Southern Nevada, Arizona and California regions. Airgas West is located in Lakewood, CA

ATNL, Inc. sells phonograph records, tapes, and disks. It is a subsidiary of Airgas, Inc. The company was founded in 1995 and is headquartered in Wilmington, DE

Nitrous Oxide Corp. manufactures and distributes industrial, medical, and specialty gases and related equipment and services. The company was founded in 2006 and is headquartered in Duluth, GA.

Red-D-Arc, Inc. provides welding equipment rental services. It operates rental fleet of over 30,000 welding machines from 30 branch locations in the U.S. and Canada. The company was founded by in 1982 Peter McCausland and is headquartered in Austell, GA.

BOC Process Gas Solutions provides special gases to company's large-scale customers primarily chemical and oil companies, food and beverage industry & metals and glass sectors. It supplies by pipeline or even on-site plants and ships. The division maintains a presence for its tonnage (pipeline-supplied) customers in UK and US as well as Australia, South Africa and Asia. It is headquartered in Guildford, UK.

Part of Linde Plc, Arizona Welding Equipment Co. is an industrial gas distributor. The company is based in Phoenix, AZ. Arizona Welding Equipment was acquired by Linde, Inc. (Connecticut), a subsidiary of Linde Plc from Aweco Leasing, Inc. on February 16, 1995.

Philadelphia Gas Works distributes natural gas to the residential, commercial, and industrial customers. It maintains a distribution system of gas mains and service pipes. The company was founded on February 8, 1836 and is headquartered in Philadelphia, PA.