Blenkhorn and Sawle Fonds, 1946-1961, n.d. (non-inclusive)
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The company was founded in 1948 by H.C. Blenkhorn and Ross T. Sawle who were both professional engineers. The company’s main operating divisions were electrical construction and maintenance, engineering and estimating, electrical equipment repair and rebuilding and air conditioning. They are located on Grantham Avenue in St. Catharines.