Lower Mainland Suppliers
Dans Homebrew Shop https://danshomebrewing.wordpress.com/ - CO2 Tank Swaps (20lb only) - Brewing Kits - Grain (by the lb or by the sack) - Hops (pellet or whole) - Yeast (Wyeast, dry)
Centennial Homebrewing http://centennialhomebrewing.com/en/ - CO2 Tank Swaps (5lb, 20lb) - Brewing Kits - Grain (by the lb) - Hops (pellet or whole) - Yeast, (dry, Wyeast, White Labs)
Bosa Grape 6908 Palm Ave
Bosa has a large warehouse style retail space with a very large selection of equipment and consumables. Steps away from Royal Oak Skytrain. They also have CO2 tank swaps in 5#, 10#, and 20# sizes.
Barleys http://www.barleyshomebrewing.com/ - grains, hops, brewing equipment
Beyond the Grape
Ontario Beer Kegs