Approved backflow prevention plumbing companies
This list is provided for convenience only. The City of Waterloo does not recommend or endorse any company or individual.
Last updated October 4 2023
A
A Plumber Ltd 519-821-0876
A1 Plumbing & Mechanical 905-662-7444
AC Mechanical Contractors Ltd. 905-829-1705
Anfield Mechanical Services Limited 905-569-7877
Armbro Mechanical (519) 591-4652
Angus Irrigation 1-800-661-9569
Arcadian Projects Inc. 519-272-0358
Arizona Outdoor Solutions (irrigation only) 905-627-7485
Atomic Plumbing & Heating 519-496-5463
ATT Certified Trades Inc. 905-990-0136
Avanti Mechanical 905-334-6866
B
BackFlow Pro 519-750-4244
Backflow Specialties 905-655-4772
Basem Plumbing 519-624-6656
Beam Services 1-888-740-0139
Beleza Plumbing 905-330-5716
Best Plumbing & Drainage Contractors 519-438-6565
Black & McDonald 905-560-3100
Blue Jay Irrigation 519-641-3578
Bob's Your Plumber 519-835-1368
C
C & H Fire Suppression Systems Inc. 519-742-6030
CJ’s Express Plumbing & Electrical Ltd. 519-621-3111
C.J. Brubacher Ltd. 519-669-3362
C.W. Mechanical Services 519-624-9530
Caledon Creek Mechanical 519-927-0190
Canadian Water Conditioning Inc. 519-748-4343
Charlesworth Plumbing Inc. 519-870-3822
Chasles Plumbing 519-240-0044
Classic Fire Protection 519-623-3500
Clearline Plumbing 519-578-6803
Conestogo Mechanical Inc. 519-579-6740
Copperhead Mechanical 416-421-2111
Cornerstone Plumbing 519-993-0494
Culliton Inc. 519-271-1981 ext. 8276
D
Dalcro Mechanical Ltd. 905-274-2657
DanMac Plumbing & Drain Service Ltd. 416-237-9161
Dave Hurst Plumbing & Heating 519-893-3464
Dean Lane Contractors 519-585-0903
Dietrich Plumbing 519-699-4605
Dordan Mechanical 519-662-9900
Drains R Us Plumbing 519-744-4422
Dundee Trades Inc 519-616-1448
E
Eco Pro Plumbing & Drains 519-219-0868
EcoPure Plumbing 519-690-2434
EOS Mechanical Inc. 647-621-6811
Everding Fire Protection 519-578-6100
Everest Drain & Plumbing 416-383-7378
Expert Plumbing & Drains 1-888-300-1015
F
Fabulous Plumbing & Heating 519-836-4283
Fred Kau Plumbing & Heating 519-577-2273
G
G O Tap Plus 416-695-4377
Gas Logics Inc. 519-749-1590
General Sprinklers Inc 416-748-1175
Glen Sider Plumbing & Heating 519-748-1694
Go With the Flow Plumbing 226-780-5211
Gowing Water Plumbing & Heating Inc. 519-658-5552
Green Ventures Landscape (Irrigation Only) 519-574-9065
GTA Plumbing Ltd 905-569-7558
GToG Plumbing 519-588-9344
H
Hammond Plumbing & Heating 519-894-3222
Hi-Tech Plumbing 905-761-0700
Hills Plumbing Services Inc. 905-741-7241
Hunke Construction Inc. 519-745-7495
Hy-Pro Plumbing & Drain Cleaning 519-743-1193
I
Industrial Piping & Plumbing 519-743-1193
Interglobal Mechanical 905-761-8542
J
J.T.S. Mechanical System 519-635-0022
J.C. Waterworks 519-894-4005
Jantzi Plumbing 519-656-3030
JayTech Plumbing 51-780-0088
Jaywal Mechanical 905-838-5100
Jim-L Plumbing & Heating 519-836-8351
J.M.R 519-235-1516
K
Kastl & Zuch Plumbing & Heating Limited 519-884-0990
Kittel Mechanical Inc. 519-746-9613
Kung Fu Plumber Ltd. 519-400-5165
L
LEaC Shield 519-777-3462
Len’s Plumbing 519-745-0997
Lodder Brothers Limited 519-576-6770
LPI Mechanical Inc. 905-794-0755
M
M-Quad Mechanical Inc. 905 761-7823
M.Durbin Plumbing Solutions 519-572-4039
Matina Mechanical Ltd. 905-544-6380
McGregor Plumbing 519-465-3453 or 519-655-2259
Meadowbrook Construction 905-670-3052
Mill’s Construction Group 51-872-9408
Millar's Plumbing (519) 240-2721
Mr. Rooter Plumbing 519-884-7206
Munroe Irrigation Inc. 519-500-9673
N
Naylor Group 905-338-8000
Nelco Mechanical 519-744-6511
O
Ocean Mechanical 905-760-1343
Onyx-Fire Protection Services Inc. 416-674-5633
P
Pipes Professional Plumbing 519-573-0028
Pitton Plumbing & Heating Inc. 905-544-0006
Plumbulance 519-722-3435
Plumb-Ryte Inc. 519-778-1410
Price Plumbing & Heating 905-840-6848
Pro-Tech Water Services 519-634-9956
Proactive Water Solutions 416-249-2837 or 1-877-535-2837
PSG Plumbing & Heating Ltd. 519-743-8846
Pumps Plus 519-669-5004
R
Rapid Plumbing Inc. 416-246-1264
Rite Way Mechanical Ltd. 519-836-9961 ext. 4
Roberts Onsite 519-578-2400 ext. 239
Ron Beer Plumbing & Water Trmnt 519-658-6879
S
S&J Plumbing Services Inc. 905-604-6220
Salliss Plumbing & Heating Inc. 519-652-9955
Sage Fire Protection 647-231-3581
Schweitzer’s Plumbing Centre 519-747-1819
Secure Water Systems 519-827-9622
Sheldon Plumbing 519-573-0754
Spira Fire Protection 519-823-1150
SRJ Plumbing 226-236-6410
Steve Co Plumbing & Maintenance Inc. 519-669-3652
Strictly Backflow Plumbing Corp 519-841-3844
Stumpf Fire Protection 519-888-0043
T
The Plumbers Edge Inc. 905-259-5988
Thermal Tech Mechanical 519-648-1200
Tiger Plumbing 519-766-1072
Toman Services Ltd. 519-696-2292
Top Shelf Plumbing & Heating 519-635-0670
Trade-Mark Industrial Inc. 519-650-7293
Transparent Backflow Services 519-574-8776
Tri-City Plumbing 888-981-8811
Triple-8 Plumbing & Heating 519-888-6885
Troy Life & Fire 519-650-2972
Turner Plumbing & Heating 519-271-2782
Tyler McKenna Plumbing 519-766-5706
V
Van Horne Heating & Backflow 416-554-2213
Vapour Mechanical Ltd. 519-208-0446
Velocity Mechanical 519-896-1119
Vulcan Plumbing Services 519-616-8698
W
W.C Weinhardt Plumbing 519-894-3670
W.D. McGlynn Plumbing 519-504-5915
WaterSmart Systems & Plumbing 519-886-7331
Wayne McKenna Plumbing & Heating 519-836-5436
Weitzel Pumps & Water Treatment 519-625-8332
Western Fire Protection 519-641-3059