Mail Order/Online Stores and Services:
For the most part, I have dealt with the following stores and services and have had no complaints.

Great Hobbies
Somewhat pricey, but excellent service and a very comprehensive source for R/C, diecast, plastic kits, tools, etc.

Model Express
B.C. based model shop dedicated to non-military cars.  Very prompt service and pleasant to deal with.

Udisco Online
Billed as 'Canada's Largest Hobby Wholesaler'.  Have not dealt with them, but they appear well-stocked and reasonably priced.

Northstar Hobbies
One of Canada's best stocked hobby shops, they have a growing mail order business.

Perry's Resin
One of the best resin producers, mostly 1:24 scale autos and accessories.

Mr. Kipling's Workshop
Based in Orangeville, ON, James runs a model shop, a great website and is involved in the Orangeville Scale Modellers.

Scale Hardware
Supplier of miniature nuts and bolts (down to .5 mm diameter thread size) and simulated nuts, bolts and rivets.  Bob Breslauer is a great guy to deal
with.

IndyCals
Source for excellent Indy, Can-Am and Formula 1 auto decals.

Chrome Tech USA
Excellent chroming service to rechrome model parts.

All-Out Graphics
B.C. based company that provides dry tranfer lettering and other graphics needs.

Vintage Racing Miniatures
Online supplier of racing car decals, mostly for historic American racing subjects.
Scale Models - Links and Resources