Old Montreal
This building has neo-renaissance architectural style.
140, rue Notre-Dame Ouest / rue Saint-François-Xavier
387-389, rue Notre-Dame Ouest
This building has Second Empire architectural style.
464, rue McGill
This building has neo-gothic architectural style.
43-51, rue Saint-Jacques
* This list in pictures of office in Old Montreal is not necessarily complete
Images & Buildings of Montréal 
