CATHERWOOD WELDING & BOILER SERVICE INC.
BRANTFORD
Canada
N3S 7R7
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-01073 |
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. |
07-18-2026 |
| QA-01074 |
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. |
07-18-2026 |
| QA-01072 |
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. |
07-18-2026 |
| QA-03779 |
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. |
07-18-2026 |
CASTLE PLUMBING & HEATING INC
ST CATHARINES
Canada
L2M 6S5
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-04496 |
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. |
02-20-2028 |
| QA-04495 |
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. |
02-20-2028 |
| QA-10969 |
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). |
02-20-2028 |
CASTLE PLUMBING & HEATING INC
ST CATHARINES
Canada
L2M 6S5
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-04496 |
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. |
02-20-2028 |
| QA-04495 |
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. |
02-20-2028 |
| QA-10969 |
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). |
02-20-2028 |
CASTLE PLUMBING & HEATING INC
ST CATHARINES
Canada
L2M 6S5
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-04496 |
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. |
02-20-2028 |
| QA-04495 |
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. |
02-20-2028 |
| QA-10969 |
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). |
02-20-2028 |
CAST CONSTRUCTION INC.
SUDBURY
Canada
P3A 5N8
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-02659 |
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. |
03-26-2026 |
| QA-06078 |
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. |
03-26-2026 |
| QA-01902 |
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD) |
Repair and alteration of boilers, pressure vessels, piping, and Category A, B, C, E & H fittings at the above location and at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-04615 |
CSA-B51 Fittings |
Fabrication of Welded and Non-Welded Category A, B, & H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-02658 |
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. |
03-26-2026 |
| QA-05503 |
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. |
03-26-2026 |
| QA-10678 |
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). |
03-26-2026 |
CAST CONSTRUCTION INC.
SUDBURY
Canada
P3A 5N8
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-02659 |
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. |
03-26-2026 |
| QA-06078 |
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. |
03-26-2026 |
| QA-01902 |
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD) |
Repair and alteration of boilers, pressure vessels, piping, and Category A, B, C, E & H fittings at the above location and at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-04615 |
CSA-B51 Fittings |
Fabrication of Welded and Non-Welded Category A, B, & H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-02658 |
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. |
03-26-2026 |
| QA-05503 |
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. |
03-26-2026 |
| QA-10678 |
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). |
03-26-2026 |
CAST CONSTRUCTION INC.
SUDBURY
Canada
P3A 5N8
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-02659 |
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. |
03-26-2026 |
| QA-06078 |
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. |
03-26-2026 |
| QA-01902 |
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD) |
Repair and alteration of boilers, pressure vessels, piping, and Category A, B, C, E & H fittings at the above location and at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-04615 |
CSA-B51 Fittings |
Fabrication of Welded and Non-Welded Category A, B, & H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-02658 |
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. |
03-26-2026 |
| QA-05503 |
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. |
03-26-2026 |
| QA-10678 |
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). |
03-26-2026 |
CAST CONSTRUCTION INC.
SUDBURY
Canada
P3A 5N8
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-02659 |
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. |
03-26-2026 |
| QA-06078 |
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. |
03-26-2026 |
| QA-01902 |
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD) |
Repair and alteration of boilers, pressure vessels, piping, and Category A, B, C, E & H fittings at the above location and at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-04615 |
CSA-B51 Fittings |
Fabrication of Welded and Non-Welded Category A, B, & H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-02658 |
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. |
03-26-2026 |
| QA-05503 |
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. |
03-26-2026 |
| QA-10678 |
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). |
03-26-2026 |
CAST CONSTRUCTION INC.
SUDBURY
Canada
P3A 5N8
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-02659 |
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. |
03-26-2026 |
| QA-06078 |
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. |
03-26-2026 |
| QA-01902 |
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD) |
Repair and alteration of boilers, pressure vessels, piping, and Category A, B, C, E & H fittings at the above location and at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-04615 |
CSA-B51 Fittings |
Fabrication of Welded and Non-Welded Category A, B, & H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-02658 |
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. |
03-26-2026 |
| QA-05503 |
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. |
03-26-2026 |
| QA-10678 |
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). |
03-26-2026 |
CAST CONSTRUCTION INC.
SUDBURY
Canada
P3A 5N8
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-02659 |
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. |
03-26-2026 |
| QA-06078 |
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. |
03-26-2026 |
| QA-01902 |
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD) |
Repair and alteration of boilers, pressure vessels, piping, and Category A, B, C, E & H fittings at the above location and at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-04615 |
CSA-B51 Fittings |
Fabrication of Welded and Non-Welded Category A, B, & H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code. |
03-26-2026 |
| QA-02658 |
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. |
03-26-2026 |
| QA-05503 |
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. |
03-26-2026 |
| QA-10678 |
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). |
03-26-2026 |