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).
WESTERN MECHANICAL ELECTRICAL MILLWRIGHT SERVICES LTD
- Address:
-
160 BROCK ST
BARRIE, ON
Canada
L4N 2M4 - Products/Services:
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Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)
Status: 10-03-2025
Number: QA-00769
Repair and alteration of boilers, pressure vessels, piping, and fittings at the above location and for repairs and alterations at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
Power Piping Installation ASME B31.1 (SHOP & FIELD)
Status: 10-03-2025
Number: QA-00766
Fabrication, assembly, and repair of power piping at the above location and fabrication, assembly, erection, and repair of power piping at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.1 Power Piping.
Process Piping Installation ASME B31.3 (SHOP & FIELD)
Status: 10-03-2025
Number: QA-00767
Fabrication, assembly, and repair of process piping at the above location and fabrication, assembly, erection, and repair of process piping at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.
Medical Gas Piping Installation CSA-Z7396.1 (SHOP ONLY)
Status: 10-03-2025
Number: QA-00768
Fabrication, assembly, and repair of medical gas piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and CSA-Z7396.1 Medical Gas Pipeline Systems.
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