TIW STEEL PLATEWORK INC.

Address:
23 SMITH ST
ST CATHARINES
Canada
L2P 3J7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10123

ASME PP-2-Section I Boiler External Piping (SHOP & FIELD)

Fabrication and assembly of boiler external piping 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

02-16-2026
QA-01530

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

Manufacture and assembly 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.

02-16-2026
QA-01533

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.

02-16-2026
QA-10122

ASME A-2-Section I Boiler Assembly (SHOP & FIELD)

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.

02-16-2026
QA-01532

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

Repair and alteration of boilers, pressure vessels, piping and A, B, C, D, E, F & H type fittings at the above location and for repairs and alterations at field sites controlled by this location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

02-16-2026
QA-10121

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.

02-16-2026
QA-01534

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.

02-16-2026
QA-04168

CSA-B51 Fittings

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

02-16-2026
QA-10124

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.

02-16-2026
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TIW STEEL PLATEWORK INC.

Address:
23 SMITH ST
ST CATHARINES
Canada
L2P 3J7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10123

ASME PP-2-Section I Boiler External Piping (SHOP & FIELD)

Fabrication and assembly of boiler external piping 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

02-16-2026
QA-01530

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

Manufacture and assembly 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.

02-16-2026
QA-01533

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.

02-16-2026
QA-10122

ASME A-2-Section I Boiler Assembly (SHOP & FIELD)

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.

02-16-2026
QA-01532

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

Repair and alteration of boilers, pressure vessels, piping and A, B, C, D, E, F & H type fittings at the above location and for repairs and alterations at field sites controlled by this location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

02-16-2026
QA-10121

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.

02-16-2026
QA-01534

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.

02-16-2026
QA-04168

CSA-B51 Fittings

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

02-16-2026
QA-10124

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.

02-16-2026
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TIW STEEL PLATEWORK INC.

Address:
23 SMITH ST
ST CATHARINES
Canada
L2P 3J7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10123

ASME PP-2-Section I Boiler External Piping (SHOP & FIELD)

Fabrication and assembly of boiler external piping 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

02-16-2026
QA-01530

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

Manufacture and assembly 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.

02-16-2026
QA-01533

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.

02-16-2026
QA-10122

ASME A-2-Section I Boiler Assembly (SHOP & FIELD)

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.

02-16-2026
QA-01532

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

Repair and alteration of boilers, pressure vessels, piping and A, B, C, D, E, F & H type fittings at the above location and for repairs and alterations at field sites controlled by this location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

02-16-2026
QA-10121

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.

02-16-2026
QA-01534

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.

02-16-2026
QA-04168

CSA-B51 Fittings

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

02-16-2026
QA-10124

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.

02-16-2026
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TISI CANADA INC.

Address:
1401-C PLANK RD
SARNIA
Canada
N7W 1A7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-02570

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2027
QA-02571

Online Leak Sealing

Online leak sealing of pressure equipment in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2027
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TISI CANADA INC.

Address:
1401-C PLANK RD
SARNIA
Canada
N7W 1A7
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-02570

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2027
QA-02571

Online Leak Sealing

Online leak sealing of pressure equipment in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

12-19-2027
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TISDALE MECHANICAL CONTRACTING LTD.

Address:
757 Algonquin Blvd E Unit A
Timmins
Canada
P4N 7E4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06041

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.

03-21-2026
QA-06040

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.

03-21-2026
QA-06042

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.

03-21-2026
QA-06039

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.

03-21-2026
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TISDALE MECHANICAL CONTRACTING LTD.

Address:
757 Algonquin Blvd E Unit A
Timmins
Canada
P4N 7E4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06041

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.

03-21-2026
QA-06040

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.

03-21-2026
QA-06042

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.

03-21-2026
QA-06039

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.

03-21-2026
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TISDALE MECHANICAL CONTRACTING LTD.

Address:
757 Algonquin Blvd E Unit A
Timmins
Canada
P4N 7E4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06041

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.

03-21-2026
QA-06040

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.

03-21-2026
QA-06042

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.

03-21-2026
QA-06039

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.

03-21-2026
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TISDALE MECHANICAL CONTRACTING LTD.

Address:
757 Algonquin Blvd E Unit A
Timmins
Canada
P4N 7E4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-06041

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.

03-21-2026
QA-06040

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.

03-21-2026
QA-06042

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.

03-21-2026
QA-06039

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.

03-21-2026
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TILLEY MECHANICAL TECHNOLOGIES, INC ENVIROSEP FLUID & HEAT RECOVERY SYSTEMS

Address:
31 AVIATION BLVD P O BOX 857
GEORGETOWN
United States
29442
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-10356

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.

10-04-2025
QA-10357

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.

10-04-2025
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