I think I finally found something on ETF. Snippet from Google books
Who's who in Canada: an illustrated biographical record of men and ...: Volume 52
books.google.caCharles Whately Parker, Barnet M. Greene - 1964 - Snippet view
HILL, Clarence Bruce. MC and Bar — Chairman ETF Tools Limited, St. Catharines. Ont., est. 1932. manufacturers of drop forged tools; Chairman, Canadian Warren Pink Limited, St. Catharines, manufacturers of logging tools.
Hope this helps.