» 1960
The first large off-shore contract was obtained for the supply of housing for the Mangla Dam project in Pakistan.

Boeing awarded ATCO the first of many rental contracts for the supply of housing and administrative facilities to support their minuteman IBM installation program which involved work in Montana, North Dakota, South Dakota, Missouri and Wyoming.

» 1961
Operations expanded to Australia with the opening of a 70,000 sq. ft. plant in Adelaide, South Australia. This plant was expanded to 110,000 sq. ft by 1971.

» 1965
United States manufacturing facilities opened in Nampa, Idaho. This facility was enlarged to 60,000 sq. ft. in 1970.

Calgary manufacturing was relocated from Airdrie to a 54 acre site in southwest Calgary which was named ATCO Industrial Park.

» 1968
ATCO Industries Ltd. became a public corporation with the sale of 700,000 common shares in March. The shares were listed for trading on the Toronto Stock Exchange.

Industrial unit production commenced in Montreal with a 50,000 sq. ft. plant located in suburban Ville la Salle.

» 1969
Montreal manufacturing capacity doubled with the opening of a 50,000 sq. ft. plant in Ville St. Pierre.

Superior Woodcraft Manufacturing Ltd. and Superior Interiors Ltd. joined the ATCO Group of Companies and established production facilities in ATCO Industrial Park. The name was subsequently changed to Superior Components Ltd.