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).
BC MACHINING TECHNOLOGIES INC O/A B.C. INSTRUMENTS
- Address:
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41 PROCTOR RD BLDG, BLDG 21 & BLDG 92
SCHOMBERG, ON
Canada
L0G 1T0 - Products/Services:
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Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)
Status: 06-23-2025
Number: QA-262
Fabrication of Class 1, 1C, 2, 2C, 3, 3C, & 4 parts, appurtenances, piping subassemblies, and tubular products; Class 1, 1C, 2, 2C, 3, 3C, & 4 Shop Assembly; Without design responsibility; Supply of ferrous and nonferrous material; At the above location; With supporting code activities as described in the Quality Program Manual at 201 Elm St. E. Durham, Ontario, N0G 1R0, controlled by the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
Supports (NS) (Can be added to N/NPT/NA)
Status: 06-23-2025
Number: QA-05875
Fabrication of Class 1, 2, 3, & 4 welded and non-welded supports; without design responsibility; At the above location; With supporting code activities as described in the Quality Program Manual at 201 Elm St. E. Durham, Ontario, N0G 1R0, controlled by the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
CSA-N285.0 Nuclear Fittings (SHOP ONLY)
Status: 06-23-2025
Number: QA-03041
Fabrication of Class 1, 1C, 2, 2C, 3, 3C & 4 category A, B, F, & H type fittings at the above location; With and without design responsibility; With supporting code activities as described in the Quality Program Manual at 201 Elm St. E. Durham, Ontario, N0G 1R0, controlled by the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
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