American Express in Canada operates as Amex Bank of Canada and Amex Canada Inc. Both are wholly owned subsidiaries of the New York based American Express Travel Related Services Company Inc., the largest operating unit of the American Express Company. Amex Bank of Canada is the issuer of American Express Cards in Canada. Amex Canada Inc. operates the Corporate Travel, Travel Services Network and Travellers Cheque divisions in Canada. American Express opened its first offices in Toronto and Hamilton in 1853 and now employs 3,700 Canadians coast-to-coast.