How do you invest on Toronto stock exchange?

the postal address 130 King Street W., Toronto, Ontario and the postal address 130 King Street W., Toronto, Ontario, M5X 1J2, CANADA

For an explanation, you can check this article: http://armchairpotato.blogspot.com/2009/10/how-to-invest-in-stock-exchange.html

You can invest in the stock market if you have an account with a stock brokerage firm that offers an online trading account. For Ex: you can sign up for a trading account with Merrill lynch and after...

TSX is a business in Ontario, Canada. The address is 130 King Street W., Toronto, Ontario.

i would bet it is in Toronto