- Nortuk has the following certifications:

- TSSA Fuel Safety Contractor – Petroleum Contractor
- TSSA Fuel Safety Contractor – Heating Fuels Contractor
- TSSA Certificate of Authorization – B31.1 Power Piping
- TSSA Certificate of Authorization – B31.3 Process Piping
- Repair and alteration of boilers, pressure vessels, piping and H type fittings

- CWB W47.1 “Certification of Companies for Fusion Welding of Steel” in Division 2

- Ontario Petroleum Contractors Association member

- Avetta member

- ISNetworld member