By the 1920s the Cagney Bros. had absorbed the miniature railway portion of the McGarigle Machine Company under the name of The Cagney Brothers' Amusement Company Niagara Falls Plant.
In den 1920er Jahren übernahmen die Cagney Bros. die Parkeisenbahn-Abteilung der McGarigle Machine Company unter dem Namen Cagney Brothers’ Amusement Company Niagara Falls Plant.