Airgas, Inc. has acquired the assets and operations of Southern Welding Supply, Inc., based in northern Alabama, and Alpena Supply Company, headquartered in Alpena.

These transactions as of 1 December 2006 bring the total number of acquisitions in fiscal 2007 to 10, with acquired sales now topping $140m.

Between Southern Welding Supply and Alpena Supply, generated revenues totaled more than $19m during the year.

Southern Welding Supply operations have been integrated into Airgas South and Airgas Great Lakes will integrate the Welding Division of Alpena Supply Company and its Northern Michigan Welding Supply affiliate.

Two smaller transactions, with total acquired sales of less than $2m, also closed effective 1 December 2006.