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Find a Certificate of Authorization Holder
The Technical Standards and Safety Authority (TSSA) adopts standards and administers the policies, procedures and processes for the certification of welders and brazers regulated under the Technical Standards and Safety Act, 2000’s Ontario Regulation 220/01: Boilers and Pressure Vessels (BPVs). Businesses that repair/alter BPVs and install/repair associated piping systems are required to hold a Certificate of Authorization (COA) from TSSA or another Canadian jurisdiction. Companies with a National Board Certificate of Authorization (“R” stamp) are also acceptable for repairs/alterations of BPVs.
“In the following directory, you can find a listing of businesses that hold a COA issued by TSSA. Please note that the information in this directory is updated periodically and may not reflect the most recent information available for each entry. If you have a question or concern regarding any of the information contained on this page, please contact customerservices@tssa.org or call 1-877-682-TSSA (8772).”
TSSA Registered Certificate Of Authorization
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1000 ISLANDS MECHANICAL LTD
380 HERBERT ST SUITE E
GANANOQUE
Canada
K7G 1R1 -
1000756757 ONTARIO INC. O/A THERMAQUA
8450 County Rd-27
Barrie
Canada
L4N 9C4 -
1000888847 ONTARIO INC. O/A SONGER CANADA
194 PARKDALE AVE N
HAMILTON
Canada
L8H 5X2 -
1022013 ONTARIO LIMITED O/A SUPERIOR INDUSTRIAL SERVICES
1231 PEOPLES RD
SAULT STE MARIE
Canada
P6C 3W7 -
1048484 ONTARIO LTD. O/A B.C. MECHANICAL SERVICES
1245 BARRIES SIDE RD
PERTH
Canada
K7H 0M2 -
1051130 ONTARIO LIMITED O/A ERIN REFRIGERATION & AIR CONDITIONING
14 THOMPSON CRES
ERIN
Canada
N0B 1T0 -
1067883 ONTARIO LIMITED O/A HI-TECH PLUMBING
241 EDGELEY BLVD UNIT 12
CONCORD
Canada
L4K 3Y6 -
1074023 ONTARIO LIMITED O/A TALEVI WELDING
140 MAGILL ST
LIVELY
Canada
P3Y 1K7 -
1113388 ONTARIO LTD O/A MCDONALD MECHANICAL
577 PIERCEY RD
BOLTON
Canada
L7E 5B5 -
1145365 ONTARIO LTD O/A SPECIALTY MACHINE & FABRICATION
535 Polymoore Dr
Corunna
Canada
N0N 1G0 -
1173652 ONTARIO LTD O/A BESTERD MECHANICAL
1070 WILTON GROVE RD
LONDON
Canada
N6N 1C6 -
1194400 ONTARIO LIMITED O/A OLD TYMER WELDING
39 JAMIESON DR
ORILLIA
Canada
L3V 6H1 -
1203130 ONTARIO INC. O/A MILL-FAB
391 COLLEGE ST E
BELLEVILLE
Canada
K8N 5S7 -
1246175 ONTARIO LTD O/A ACTIVE MECHANICAL
3153 WHARTON WAY
MISSISSAUGA
Canada
L4X 2B6 -
1352984 ONTARIO INC O/A LADS MECHANICAL
19125 KENYAN RD CON 1
APPLE HILL
Canada
K0C 1B0 -
1359678 ONTARIO LIMITED O/A B&R HEATING AND COOLING
14452 Victoria Rd
Elmvale
Canada
L0L 1P0