Welding Inspection Services in Thunder Bay
Qualitest Canada Ltd. provides professional, code-compliant Welding Inspection Services in Thunder Bay Ontario supporting construction, fabrication, and industrial projects across the region. With over a decade of experience in structural steel, pipelines, pressure equipment, and complex fabrication projects throughout Canada, our certified inspectors deliver accurate, timely, and reliable inspection services aligned with regulatory and project requirements.
Whether you are a general contractor, fabricator, engineering consultant, or project owner, our team ensures your welding work meets the highest standards of safety, quality, and performance.
Our Welding Inspection Services in Thunder Bay
Visual Welding Inspection (VT)
CSA W59 & AWS D1.1 compliant inspections
Structural steel, rebar, piping, and fabrication welds
Pre-weld, in-process, and final weld inspections
Weld sizing, discontinuity assessment, and acceptance verification
Non-Destructive Testing (NDT)
Performed through our certified NDT division serving Thunder Bay and the GTA:
Ultrasonic Testing (UT) & Phased Array UT (PAUT)
Magnetic Particle Testing (MT)
Liquid Penetrant Testing (PT)
Radiographic Test Interpretation (RTI)
Hardness Testing (HB / HRC / HV)
Welding Procedure & Welder Qualification Testing – Thunder Bay
Welder qualification testing to CSA W47.1, CSA W59 & AWS D1.1
Witnessing of welder performance qualification tests
Test coupon preparation, bending, nick-break, and tensile testing
Review and verification of WPS & PQR documentation
Structural Steel & Fabrication Shop Inspections
Fabrication shop inspections across Thunder Bay and the GTA
Review of Mill Test Reports (MTRs), certificates, and material traceability
Fit-up inspection, joint preparation, tacking, and preheat verification
Welder qualification verification and documentation compliance
Welding Compliance & Quality Audits
Full quality control and inspection record reviews
Verification against project specifications and applicable codes
Non-Conformance Reports (NCRs) and corrective action follow-up
Industries We Serve in Thunder Bay
Commercial & Industrial Construction
Infrastructure Projects (Bridges, Transit, Roadworks)
Manufacturing & Heavy Fabrication
Oil & Gas & Petrochemical Facilities
Utilities & Power Generation
Maintenance & Shutdown Projects
Why Choose Qualitest Canada Ltd.?
Certified & Experienced Inspectors
Our welding inspectors hold certifications including:
CSA W178.2
CWB & AWS (WI / CWI)
CGSB, ASNT & ISO NDT Certifications
Proven Nationwide Expertise
With operational facilities in Burlington (Toronto), Nisku (Alberta) and Surrey (British Columbia), Qualitest Canada Ltd. is a trusted leader in inspection, testing, and quality assurance services across multiple provinces.
Fast Response & Mobile Inspection Services
We offer same-day or next-day site support throughout Mississauga and the Greater Toronto Area, including Toronto, Mississauga, Brampton, Vaughan, Markham, Oakville, Burlington, Hamilton, and surrounding regions.
ISO/IEC 17025 Accredited Laboratories
Our laboratories in Nisku, AB and Surrey, BC are accredited to ISO/IEC 17025:2017, ensuring consistent, high-quality testing and reporting.
Service Areas – Greater Toronto Area (GTA) and throughout the Ontario
Toronto | Mississauga | Brampton | Vaughan | Richmond Hill | Markham | Scarborough | Etobicoke | North York | Milton | Hamilton | Oakville | Burlington | Kitchener
Request a Quote – Welding Inspection Services in Thunder Bay
Looking for a certified welding inspector in Thunder Bay?
Qualitest Canada Ltd. is ready to support your next construction, fabrication, or repair project with dependable inspection and testing services.
📞 (647) 464-9480
📧 admin@qualitests.com
📍 760 Laurentian Dr., Unit 5, Burlington, Ontario