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).
CULLITON INC
- Address:
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473 DOURO ST
STRATFORD, ON
Canada
N5A 3S9 - Products/Services:
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Process Piping Installation ASME B31.3 (SHOP & FIELD)
Status: 06-25-2025
Number: QA-00805
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 & FIELD)
Status: 06-25-2025
Number: QA-00806
Fabrication, assembly and repair of medical gas piping at the above location and fabrication, assembly, erection and repair of medical gas piping at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and CSA-Z7396.1 Medical Gas Pipeline Systems.
Refrigeration Piping Installation ASME B31.5 (SHOP AND FIELD)
Status: 06-25-2025
Number: QA-03005
Fabrication, assembly and repair of refrigeration piping at the above location and fabrication, assembly, erection and repair of refrigeration piping at field sites controlled by the above location in accordance with CSA Standard B52, Mechanical Refrigeration Code and ASME B31.5 Refrigeration Piping.
Power Piping Installation ASME B31.1 (SHOP & FIELD)
Status: 06-25-2025
Number: QA-00804
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.
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)
Status: 06-25-2025
Number: QA-04755
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.
ASME PP-2-Section I Boiler External Piping (SHOP & FIELD)
Status: 06-25-2025
Number: QA-05325
Fabrication and assembly of boiler external piping at the above location and 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.
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