There are a few clubs in the area, however most if not all are full for new members.
The Sportsmens Club Galt
The Sportsmens Club Galt, Inc. is one of the largest shooting clubs in Ontario, Canada, with an Indoor Range, an Outdoor Handgun Range, Rifle Ranges, Archery & Clay Target Ranges (Trap, Skeet, & Sporting Clays).
Bridgeport Rod & Gun Club
R.R. Waterloo, Ontario (519) 648-2633
Colby Shooting Club
The Colby Shooting Club comprises the range portions of the Shooter's Choice complex. We have a very active club membership in both archery and handgun shooting.
The Guelph Rod & Gun Club
Since 1948 is one of the finest shooting clubs available anywhere. Our facility includes numerous outdoor ranges, a first class indoor facility and a large clubhouse which is well suited to training as well as simply gathering with other shooting enthusiasts.
Twin City Rifle Club
1860 Line 40, Wilmot Twn. -Skeet (2), Trap (2), Sporting Clays, Rifle/Pistol (3).
Elmira & District Rod & Gun Club
P.O. Box 241, Elmira, Ontario. - Air Rifle, Archery, Clay Shooting, Horseshoes, Pistol/Revolver, Rifle/Shotgun.
Waterloo County Revolver Associtation
Road Marker 2278, Regional Road #8, Kitchener, Ontario
I have been watching for Elmira to show that they are accepting new members for the past 2 years.
You can go to shooters choice and see the indoor range there.
Hope this helps