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).
MATRIX NORTH AMERICAN CONSTRUCTION LTD
- Address:
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3196 MAINWAY
BURLINGTON, ON
Canada
L7M 1A5 - Products/Services:
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Process Piping Installation ASME B31.3 (FIELD ONLY)
Status: 10-23-2025
Number: QA-00828
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.
ASME PP-3-Section I Boiler External Piping (FIELD ONLY)
Status: 10-23-2025
Number: QA-06001
Fabrication, assembly, and erection of boiler external piping at field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.
Refrigeration Piping Installation ASME B31.5 (FIELD ONLY)
Status: 10-23-2025
Number: QA-03169
Fabrication, assembly, and repair of refrigeration piping at field sites controlled by the above location only in accordance with CSA Standard B52, Mechanical Refrigeration Code and ASME B31.5 Refrigeration Piping.
ASME U-6-Sec. VIII, Div 1 Pressure Vessel Mfr. (FIELD ONLY)
Status: 10-23-2025
Number: QA-03172
Manufacture of pressure vessels at field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
ASME A-1-Section I Boiler Assembly (FIELD ONLY)
Status: 10-23-2025
Number: QA-03170
Assembly of power boilers at field sites controlled by the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.
ASME H-6-Section IV Boiler Manufacture (FIELD ONLY)
Status: 10-23-2025
Number: QA-03171
Assembly of heating boilers including cast iron and cast aluminium at field sites controlled by the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section IV and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
Power Piping Installation ASME B31.1 (FIELD ONLY)
Status: 10-23-2025
Number: QA-00827
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.
Boilers & Pressure Vessels Repair/Alteration (FIELD ONLY)
Status: 10-23-2025
Number: QA-02942
Repair and alteration of boilers, pressure vessels, piping and fittings at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
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