WELD O CANADA INC.

Address:
53 Bakersfield St
North York
Canada
M3J 1Z4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10465

ASME U-1-Mfr. of Sec. VIII, Div 1 Pressure Vessels (SHOP ONLY)

Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

06-28-2026
QA-10466

CSA-B51 Fittings

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.

06-28-2026
QA-10467

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

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.

06-28-2026
QA-06070

Process Piping Installation ASME B31.3 (SHOP & FIELD)

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.

06-28-2026
QA-06069

Power Piping Installation ASME B31.1 (SHOP & FIELD)

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.

06-28-2026
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WELD O CANADA INC.

Address:
53 Bakersfield St
North York
Canada
M3J 1Z4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10465

ASME U-1-Mfr. of Sec. VIII, Div 1 Pressure Vessels (SHOP ONLY)

Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

06-28-2026
QA-10466

CSA-B51 Fittings

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.

06-28-2026
QA-10467

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

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.

06-28-2026
QA-06070

Process Piping Installation ASME B31.3 (SHOP & FIELD)

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.

06-28-2026
QA-06069

Power Piping Installation ASME B31.1 (SHOP & FIELD)

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.

06-28-2026
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WELD O CANADA INC.

Address:
53 Bakersfield St
North York
Canada
M3J 1Z4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10465

ASME U-1-Mfr. of Sec. VIII, Div 1 Pressure Vessels (SHOP ONLY)

Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

06-28-2026
QA-10466

CSA-B51 Fittings

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.

06-28-2026
QA-10467

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

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.

06-28-2026
QA-06070

Process Piping Installation ASME B31.3 (SHOP & FIELD)

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.

06-28-2026
QA-06069

Power Piping Installation ASME B31.1 (SHOP & FIELD)

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.

06-28-2026
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WELD O CANADA INC.

Address:
53 Bakersfield St
North York
Canada
M3J 1Z4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10465

ASME U-1-Mfr. of Sec. VIII, Div 1 Pressure Vessels (SHOP ONLY)

Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

06-28-2026
QA-10466

CSA-B51 Fittings

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.

06-28-2026
QA-10467

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

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.

06-28-2026
QA-06070

Process Piping Installation ASME B31.3 (SHOP & FIELD)

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.

06-28-2026
QA-06069

Power Piping Installation ASME B31.1 (SHOP & FIELD)

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.

06-28-2026
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WELD O CANADA INC.

Address:
53 Bakersfield St
North York
Canada
M3J 1Z4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10465

ASME U-1-Mfr. of Sec. VIII, Div 1 Pressure Vessels (SHOP ONLY)

Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

06-28-2026
QA-10466

CSA-B51 Fittings

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.

06-28-2026
QA-10467

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

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.

06-28-2026
QA-06070

Process Piping Installation ASME B31.3 (SHOP & FIELD)

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.

06-28-2026
QA-06069

Power Piping Installation ASME B31.1 (SHOP & FIELD)

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.

06-28-2026
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WEED INSTRUMENT COMPANY INC DBA CURTISS-WRIGHT

Address:
707 JEFFREY WAY PO BOX 300
ROUND ROCK
United States
78664
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-364

CSA-N285.0 Nuclear Fittings (SHOP ONLY)

Fabrication of Class 1, 2 and 3 welded and non-welded Category F type fittings at the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.

07-20-2025
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WATERLOO MANUFACTURING COMPANY LIMITED

Address:
505 DOTZERT CRT UNIT 1
WATERLOO
Canada
N2L 6A7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00575

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

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.

06-29-2028
QA-00574

Power Piping Installation ASME B31.1 (SHOP & FIELD)

Fabrication and assembly of power piping at the above location and fabrication, assembly and erection 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.

06-29-2028
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WATERLOO MANUFACTURING COMPANY LIMITED

Address:
505 DOTZERT CRT UNIT 1
WATERLOO
Canada
N2L 6A7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00575

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

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.

06-29-2028
QA-00574

Power Piping Installation ASME B31.1 (SHOP & FIELD)

Fabrication and assembly of power piping at the above location and fabrication, assembly and erection 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.

06-29-2028
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WATCH TOWER BIBLE AND TRACT SOCIETY OF CANADA

Address:
13893 HIGHWAY 7
GEORGETOWN
Canada
L7G 4S4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-01304

Power Piping Installation ASME B31.1 (SHOP ONLY)

Fabrication, assembly, and repair of power piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.1 Power Piping.

01-15-2026
QA-01306

Refrigeration Piping Installation ASME B31.5 (SHOP ONLY)

Fabrication, assembly, and repair of refrigeration piping at the above location only in accordance with CSA Standard B52, Mechanical Refrigeration Code and ASME B31.5 Refrigeration Piping.

01-15-2026
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WATCH TOWER BIBLE AND TRACT SOCIETY OF CANADA

Address:
13893 HIGHWAY 7
GEORGETOWN
Canada
L7G 4S4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-01304

Power Piping Installation ASME B31.1 (SHOP ONLY)

Fabrication, assembly, and repair of power piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.1 Power Piping.

01-15-2026
QA-01306

Refrigeration Piping Installation ASME B31.5 (SHOP ONLY)

Fabrication, assembly, and repair of refrigeration piping at the above location only in accordance with CSA Standard B52, Mechanical Refrigeration Code and ASME B31.5 Refrigeration Piping.

01-15-2026
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