DUNBAR MECHANICAL SERVICES INC

Address:
1094 ISABELLA ST
LINWOOD
Canada
N0B 2A0
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-03219

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.

11-08-2026
QA-03218

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.

11-08-2026
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DRYDEN FIBRE CANADA ULC

Address:
1 DUKE ST
DRYDEN
Canada
P8N 2Z7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00925

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.

12-05-2027
QA-00926

Process Piping Installation ASME B31.3 (SHOP ONLY)

Fabrication, assembly and repair of process piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.

12-05-2027
QA-05776

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.

12-05-2027
QA-00923

Boiler & Pressure Vessel Repair/Alteration (SHOP ONLY)

Repair and alteration of boilers, pressure vessels, piping and fittings at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-05-2027
QA-10866

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).

12-05-2027
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DRYDEN FIBRE CANADA ULC

Address:
1 DUKE ST
DRYDEN
Canada
P8N 2Z7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00925

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.

12-05-2027
QA-00926

Process Piping Installation ASME B31.3 (SHOP ONLY)

Fabrication, assembly and repair of process piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.

12-05-2027
QA-05776

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.

12-05-2027
QA-00923

Boiler & Pressure Vessel Repair/Alteration (SHOP ONLY)

Repair and alteration of boilers, pressure vessels, piping and fittings at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-05-2027
QA-10866

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).

12-05-2027
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DRYDEN FIBRE CANADA ULC

Address:
1 DUKE ST
DRYDEN
Canada
P8N 2Z7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00925

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.

12-05-2027
QA-00926

Process Piping Installation ASME B31.3 (SHOP ONLY)

Fabrication, assembly and repair of process piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.

12-05-2027
QA-05776

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.

12-05-2027
QA-00923

Boiler & Pressure Vessel Repair/Alteration (SHOP ONLY)

Repair and alteration of boilers, pressure vessels, piping and fittings at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-05-2027
QA-10866

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).

12-05-2027
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DRYDEN FIBRE CANADA ULC

Address:
1 DUKE ST
DRYDEN
Canada
P8N 2Z7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00925

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.

12-05-2027
QA-00926

Process Piping Installation ASME B31.3 (SHOP ONLY)

Fabrication, assembly and repair of process piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.

12-05-2027
QA-05776

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.

12-05-2027
QA-00923

Boiler & Pressure Vessel Repair/Alteration (SHOP ONLY)

Repair and alteration of boilers, pressure vessels, piping and fittings at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-05-2027
QA-10866

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).

12-05-2027
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DRYDEN FIBRE CANADA ULC

Address:
1 DUKE ST
DRYDEN
Canada
P8N 2Z7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00925

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.

12-05-2027
QA-00926

Process Piping Installation ASME B31.3 (SHOP ONLY)

Fabrication, assembly and repair of process piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.

12-05-2027
QA-05776

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.

12-05-2027
QA-00923

Boiler & Pressure Vessel Repair/Alteration (SHOP ONLY)

Repair and alteration of boilers, pressure vessels, piping and fittings at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-05-2027
QA-10866

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).

12-05-2027
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DRENNAN REFRIGERATION INC

Address:
1880 CHEAPSIDE ST
LONDON
Canada
N5V 3E7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-01086

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.

01-24-2026
QA-04109

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

Repair and alteration of 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.

01-24-2026
QA-01087

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

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.

01-24-2026
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DRENNAN REFRIGERATION INC

Address:
1880 CHEAPSIDE ST
LONDON
Canada
N5V 3E7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-01086

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.

01-24-2026
QA-04109

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

Repair and alteration of 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.

01-24-2026
QA-01087

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

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.

01-24-2026
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DRENNAN REFRIGERATION INC

Address:
1880 CHEAPSIDE ST
LONDON
Canada
N5V 3E7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-01086

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.

01-24-2026
QA-04109

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

Repair and alteration of 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.

01-24-2026
QA-01087

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

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.

01-24-2026
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DOUGLAS BARWICK INC.

Address:
150 CALIFORNIA AVE
BROCKVILLE
Canada
K6V 5W1
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-03394

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.

06-01-2026
QA-03395

Process Piping Installation ASME B31.3 (SHOP ONLY)

Fabrication, assembly and repair of process piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.

06-01-2026
QA-05543

CSA-B51 Fittings

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

06-01-2026
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