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).
G-TECH MANUFACTURING LTD.
- Address:
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151 PARR BLVD
BOLTON, ON
Canada
L7E 2Z8 - Products/Services:
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Medical Gas Piping Installation CSA-Z7396.1 (SHOP & FIELD)
Status: 02-15-2026
Number: QA-06060
Fabrication, assembly and repair of nonflammable medical gas piping at the above location and fabrication, assembly, erection and repair of nonflammable 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 Nonflammable Medical Gas Piping Systems.
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)
Status: 02-15-2026
Number: QA-03045
Repair and alteration of boilers, pressure vessels, piping and A, B, E & H type fittings at the above location and for repairs and alterations at field sites controlled by this location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
Refrigeration Piping Installation ASME B31.5 (SHOP AND FIELD)
Status: 02-15-2026
Number: QA-03044
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.
Process Piping Installation ASME B31.3 (SHOP & FIELD)
Status: 02-15-2026
Number: QA-03043
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.
Power Piping Installation ASME B31.1 (SHOP & FIELD)
Status: 02-15-2026
Number: QA-03042
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.
CSA-B51 Fittings
Status: 02-15-2026
Number: QA-04005
Fabrication of Welded and Non-Welded Category H type Fittings only at the Above Location Only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.
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