Illinois Tool Works has acquired Tregaskiss Welding Products of Windsor, Ontario, Canada.   ; Tregaskiss is a manufacturer of robotic and semi-automatic MIG welding torches and peripherals.   ; Tregaskiss, a privately held company, employs 179 people and offers its products through welding supply distributors in Canada and the U.S. The company will continue to operate independently, which is consistent with ITW's decentralized organizational structure.   ; Other ITW welding companies include Hobart Brothers, Jetline Engineering, Smith Equipment, Tempil and Weldcraft.   ; ITW, Glenview, IL, is a $14.1 billion diversified manufacturer of highly engineered components and industrial systems and consumables.