Airgas, 20001 SW Teton Ave, Tualatin, OR 97062, US

Airgas Nor Pac, a division of Airgas, serves the Pacific Northwest region of the United States and Western Canada. Headquartered in Vancouver, Wash., Airgas Nor Pac operates more than 40 branch offices in Washington, Oregon, northwestern Idaho and Alaska. In addition to a full line of industrial and specialty gases and welding supplies, it is also a major supplier of safety equipment. Airgas Nor Pac Canada, based in Calgary, Alberta, has eight locations focused on Western Canada. It is a major respiratory home care service provider as well as a distributor of specialty gases and welding supplies. Through internal growth more than 320 acquisitions, Airgas has built a national packaged gas distribution network that includes more than 900 branch locations, cylinder fill plants, production facilities, specialty gas laboratories and regional distribution centers. Founded in 1982, Airgas maintains its headquarters in Radnor, Pa.