GREAT LAKES FABRICATING LTD

Address:
535 Polymoore Dr
Corunna
Canada
N0N 1G0
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06119

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category A, B, C, D, E, F & H type Fittings only at the Above Location Only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

10-23-2026

QA-00714

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.

10-23-2026

QA-207

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.

10-23-2026

QA-00715

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.

10-23-2026

QA-00713

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.

10-23-2026

GREAT LAKES FABRICATING LTD

Address:
535 Polymoore Dr
Corunna
Canada
N0N 1G0
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06119

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category A, B, C, D, E, F & H type Fittings only at the Above Location Only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

10-23-2026

QA-00714

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.

10-23-2026

QA-207

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.

10-23-2026

QA-00715

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.

10-23-2026

QA-00713

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.

10-23-2026

GREAT LAKES FABRICATING LTD

Address:
535 Polymoore Dr
Corunna
Canada
N0N 1G0
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06119

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category A, B, C, D, E, F & H type Fittings only at the Above Location Only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

10-23-2026

QA-00714

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.

10-23-2026

QA-207

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.

10-23-2026

QA-00715

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.

10-23-2026

QA-00713

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.

10-23-2026

GREAT LAKES FABRICATING LTD

Address:
535 Polymoore Dr
Corunna
Canada
N0N 1G0
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06119

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category A, B, C, D, E, F & H type Fittings only at the Above Location Only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

10-23-2026

QA-00714

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.

10-23-2026

QA-207

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.

10-23-2026

QA-00715

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.

10-23-2026

QA-00713

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.

10-23-2026

GREAT LAKES COMBUSTION INC

Address:
1365 ARTISANS CRT
BURLINGTON
Canada
L7L 5Y2
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-02524

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.

11-07-2027

QA-02525

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

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

11-07-2027

GREAT LAKES COMBUSTION INC

Address:
1365 ARTISANS CRT
BURLINGTON
Canada
L7L 5Y2
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-02524

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.

11-07-2027

QA-02525

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

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

11-07-2027

GRAYCO AIR INC

Address:
1895 CLEMENTS RD UNIT 160
PICKERING
Canada
L1W 3V5
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-04335

Refrigeration Piping Installation ASME B31.5 (SHOP AND FIELD)

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

01-08-2028

GRAHAM MAINTENANCE SERVICES LP

Address:
61317 Range Road 452
Fort Kent
Canada
T0A 1H0
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10682

Alternate Piping Process

Alternate Process for Pressure Piping Inspection in Ontario in accordance with TSSA Safety Advisory BPV-001-23 and the Ontario Regulation 220/01 Section 9(4).

04-29-2027

GRACE INSTRUMENTATION & CONTROLS LTD.

Address:
16 GRIGG DR
SIMCOE
Canada
N3Y 4J9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-03481

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.

04-18-2026

QA-03482

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.

04-18-2026

QA-10440

Medical Gas Piping Installation CSA-Z7396.1 (SHOP & FIELD)

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.

04-18-2026

GRACE INSTRUMENTATION & CONTROLS LTD.

Address:
16 GRIGG DR
SIMCOE
Canada
N3Y 4J9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-03481

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.

04-18-2026

QA-03482

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.

04-18-2026

QA-10440

Medical Gas Piping Installation CSA-Z7396.1 (SHOP & FIELD)

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.

04-18-2026