DDM MOBILE WELDING LTD*

Address:
130 BARBADOS BLVD
SCARBOROUGH
Canada
M1J 1K9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05999

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04785

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.

11-23-2025
QA-04787

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04788

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.

11-23-2025
QA-01334

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.

11-23-2025
QA-01336

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.

11-23-2025
QA-04197

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.

11-23-2025
QA-01335

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.

11-23-2025
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DDM MOBILE WELDING LTD*

Address:
130 BARBADOS BLVD
SCARBOROUGH
Canada
M1J 1K9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05999

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04785

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.

11-23-2025
QA-04787

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04788

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.

11-23-2025
QA-01334

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.

11-23-2025
QA-01336

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.

11-23-2025
QA-04197

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.

11-23-2025
QA-01335

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.

11-23-2025
Back to Certificate of Authorization list

DDM MOBILE WELDING LTD*

Address:
130 BARBADOS BLVD
SCARBOROUGH
Canada
M1J 1K9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05999

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04785

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.

11-23-2025
QA-04787

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04788

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.

11-23-2025
QA-01334

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.

11-23-2025
QA-01336

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.

11-23-2025
QA-04197

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.

11-23-2025
QA-01335

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.

11-23-2025
Back to Certificate of Authorization list

DDM MOBILE WELDING LTD*

Address:
130 BARBADOS BLVD
SCARBOROUGH
Canada
M1J 1K9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05999

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04785

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.

11-23-2025
QA-04787

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04788

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.

11-23-2025
QA-01334

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.

11-23-2025
QA-01336

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.

11-23-2025
QA-04197

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.

11-23-2025
QA-01335

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.

11-23-2025
Back to Certificate of Authorization list

DDM MOBILE WELDING LTD*

Address:
130 BARBADOS BLVD
SCARBOROUGH
Canada
M1J 1K9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05999

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04785

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.

11-23-2025
QA-04787

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04788

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.

11-23-2025
QA-01334

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.

11-23-2025
QA-01336

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.

11-23-2025
QA-04197

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.

11-23-2025
QA-01335

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.

11-23-2025
Back to Certificate of Authorization list

DDM MOBILE WELDING LTD*

Address:
130 BARBADOS BLVD
SCARBOROUGH
Canada
M1J 1K9
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-05999

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04785

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.

11-23-2025
QA-04787

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category H type fittings at the above location only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

11-23-2025
QA-04788

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.

11-23-2025
QA-01334

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.

11-23-2025
QA-01336

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.

11-23-2025
QA-04197

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.

11-23-2025
QA-01335

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.

11-23-2025
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DBNC GROUP INC

Address:
3660 Hurontario St Unit 501
Mississauga
Canada
L5B 3C4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-11029

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.

04-28-2028
QA-11030

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.

04-28-2028
QA-11031

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.

04-28-2028
QA-11032

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.

04-28-2028
Back to Certificate of Authorization list

DBNC GROUP INC

Address:
3660 Hurontario St Unit 501
Mississauga
Canada
L5B 3C4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-11029

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.

04-28-2028
QA-11030

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.

04-28-2028
QA-11031

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.

04-28-2028
QA-11032

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.

04-28-2028
Back to Certificate of Authorization list

DBNC GROUP INC

Address:
3660 Hurontario St Unit 501
Mississauga
Canada
L5B 3C4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-11029

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.

04-28-2028
QA-11030

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.

04-28-2028
QA-11031

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.

04-28-2028
QA-11032

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.

04-28-2028
Back to Certificate of Authorization list

DBNC GROUP INC

Address:
3660 Hurontario St Unit 501
Mississauga
Canada
L5B 3C4
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-11029

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.

04-28-2028
QA-11030

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.

04-28-2028
QA-11031

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.

04-28-2028
QA-11032

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.

04-28-2028
Back to Certificate of Authorization list
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