SUPERIOR BOILER WORKS AND WELDING LIMITED

Address:
375 McNeilly Rd
Stoney Creek
Canada
L8E 5H4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00671

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.

12-19-2026
QA-02248

ASME S-2-Section I Boiler Manufacture (SHOP & FIELD)

Manufacture and assembly of power boilers at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.

12-19-2026
QA-02734

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.

12-19-2026
QA-06183

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.

12-19-2026
QA-03593

ASME H-4-Section IV Boilers (SHOP & FIELD)

Heating boilers except cast iron at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section IV and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-161

ASME U-4-Sec. VIII, Div 1 Pressure Vessel Mfr. (SHOP & FIELD)

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

12-19-2026
QA-00893

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.

12-19-2026
QA-02249

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.

12-19-2026
QA-05098

ASME U2-3-Sec. VIII, Div 2 Pressure Vessel Mfr. (SHOP & FIELD)

Manufacture of class 1 and class 2 pressure vessels at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-00672

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.

12-19-2026
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SUPERIOR BOILER WORKS AND WELDING LIMITED

Address:
375 McNeilly Rd
Stoney Creek
Canada
L8E 5H4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00671

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.

12-19-2026
QA-02248

ASME S-2-Section I Boiler Manufacture (SHOP & FIELD)

Manufacture and assembly of power boilers at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.

12-19-2026
QA-02734

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.

12-19-2026
QA-06183

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.

12-19-2026
QA-03593

ASME H-4-Section IV Boilers (SHOP & FIELD)

Heating boilers except cast iron at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section IV and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-161

ASME U-4-Sec. VIII, Div 1 Pressure Vessel Mfr. (SHOP & FIELD)

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

12-19-2026
QA-00893

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.

12-19-2026
QA-02249

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.

12-19-2026
QA-05098

ASME U2-3-Sec. VIII, Div 2 Pressure Vessel Mfr. (SHOP & FIELD)

Manufacture of class 1 and class 2 pressure vessels at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-00672

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.

12-19-2026
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SUPERIOR BOILER WORKS AND WELDING LIMITED

Address:
375 McNeilly Rd
Stoney Creek
Canada
L8E 5H4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00671

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.

12-19-2026
QA-02248

ASME S-2-Section I Boiler Manufacture (SHOP & FIELD)

Manufacture and assembly of power boilers at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.

12-19-2026
QA-02734

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.

12-19-2026
QA-06183

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.

12-19-2026
QA-03593

ASME H-4-Section IV Boilers (SHOP & FIELD)

Heating boilers except cast iron at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section IV and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-161

ASME U-4-Sec. VIII, Div 1 Pressure Vessel Mfr. (SHOP & FIELD)

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

12-19-2026
QA-00893

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.

12-19-2026
QA-02249

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.

12-19-2026
QA-05098

ASME U2-3-Sec. VIII, Div 2 Pressure Vessel Mfr. (SHOP & FIELD)

Manufacture of class 1 and class 2 pressure vessels at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-00672

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.

12-19-2026
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SUPERIOR BOILER WORKS AND WELDING LIMITED

Address:
375 McNeilly Rd
Stoney Creek
Canada
L8E 5H4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00671

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.

12-19-2026
QA-02248

ASME S-2-Section I Boiler Manufacture (SHOP & FIELD)

Manufacture and assembly of power boilers at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.

12-19-2026
QA-02734

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.

12-19-2026
QA-06183

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.

12-19-2026
QA-03593

ASME H-4-Section IV Boilers (SHOP & FIELD)

Heating boilers except cast iron at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section IV and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-161

ASME U-4-Sec. VIII, Div 1 Pressure Vessel Mfr. (SHOP & FIELD)

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

12-19-2026
QA-00893

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.

12-19-2026
QA-02249

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.

12-19-2026
QA-05098

ASME U2-3-Sec. VIII, Div 2 Pressure Vessel Mfr. (SHOP & FIELD)

Manufacture of class 1 and class 2 pressure vessels at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-00672

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.

12-19-2026
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SUPERIOR BOILER WORKS AND WELDING LIMITED

Address:
375 McNeilly Rd
Stoney Creek
Canada
L8E 5H4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00671

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.

12-19-2026
QA-02248

ASME S-2-Section I Boiler Manufacture (SHOP & FIELD)

Manufacture and assembly of power boilers at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.

12-19-2026
QA-02734

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.

12-19-2026
QA-06183

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.

12-19-2026
QA-03593

ASME H-4-Section IV Boilers (SHOP & FIELD)

Heating boilers except cast iron at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section IV and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-161

ASME U-4-Sec. VIII, Div 1 Pressure Vessel Mfr. (SHOP & FIELD)

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

12-19-2026
QA-00893

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.

12-19-2026
QA-02249

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.

12-19-2026
QA-05098

ASME U2-3-Sec. VIII, Div 2 Pressure Vessel Mfr. (SHOP & FIELD)

Manufacture of class 1 and class 2 pressure vessels at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2026
QA-00672

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.

12-19-2026
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SUNWELL TECHNOLOGIES INC.

Address:
180 CASTER AVE
WOODBRIDGE
Canada
L4L 5Y7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05023

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.

09-12-2027
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SUNNY CORNER ENTERPRISES INC

Address:
259 DALTON AVE.
MIRAMICHI
Canada
E1V 3C4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05565

CSA-N285.0 Nuclear Item Repair, Modification or Replacement (FIELD ONLY)

Field Repairs, Modifications or Replacements of Class 1, 1C, 2, 2C, 3, 3C and 4 nuclear items at CNSC licensed field sites 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.

10-17-2027
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SULZER PUMPS(CANADA) INC

Address:
4129 LOZELLS AVE
BURNABY
Canada
V5A 2Z5
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05438

Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)

Fabrication of Class 1, 2, & 3 parts and piping subassemblies; Without design responsibility; 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.

01-05-2026
QA-05437

Vessels, Pumps, Valves, Piping & Containment (N with NA)

Construction of Class 1, 2, & 3 pumps and piping systems; Furnishing metallic material ; 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.

01-05-2026
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SULZER PUMPS(CANADA) INC

Address:
4129 LOZELLS AVE
BURNABY
Canada
V5A 2Z5
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05438

Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)

Fabrication of Class 1, 2, & 3 parts and piping subassemblies; Without design responsibility; 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.

01-05-2026
QA-05437

Vessels, Pumps, Valves, Piping & Containment (N with NA)

Construction of Class 1, 2, & 3 pumps and piping systems; Furnishing metallic material ; 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.

01-05-2026
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STUART OLSON INDUSTRIAL CONSTRUCTORS INC.

Address:
670 FALCONBRIDGE RD UNIT 1
SUDBURY
Canada
P3A 4S4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-04516

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.

06-12-2027
QA-04517

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.

06-12-2027
QA-04518

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.

06-12-2027
QA-05036

Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)

Fabrication of Class 1, 1C, 2, 2C, 3, 3C, & 4 parts, piping subassemblies; Class 1, 2 & 3 welded and non-welded supports; Class 1, 1C, 2, 2C, 3, 3C, & 4 Shop Assembly; Without design responsibility; At 116881 Grey Rd 3, RR #2, Desboro, ON, N0H 1K0 controlled by the above location only; At CNSC licensed field sites including installation, 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.

12-02-2026
QA-06190

CSA-N285.0 Nuclear Fittings (SHOP ONLY)

Fabrication of Class 1, 2, & 3 category A, B & H type fittings; Without design responsibility; At 116881 Grey Rd 3, RR #2, Desboro, ON, N0H 1K0 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.

12-02-2026
QA-05037

CSA-N285.0 Nuclear Item Repair, Modification or Replacement (FIELD ONLY)

Field Repairs, modifications or replacements of Class 1, 1C, 2, 2C, 3, 3C, & 4 nuclear items at CNSC licensed field sites 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.

12-02-2026
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