Thornhill INSPECTION SERVICES Inc.

Thornhill Inspection Services Inc. provides Quality Assurance / Quality Control (QA/QC) inspections to clients in key areas such as offshore platforms, shipyards, power plants, mining and refinery`s for clients across Canada and the United States. Our inspectors are certified to various standards including CSA, American Petroleum Institute (API) and through the Canadian General Standards Board (CGSB).


We can provide full time welding quality control or scheduled random site visits to evaluate weld quality at various stages of construction. We can also perform an Quality Audit of any and all Turnover documentation. Our quality assurance service to you will consist of evaluating your Quality Program to ensure the highest standards are maintained and all regulatory procedures & codes are followed. Witnessing torquing procedures, hydrotesting, compiling and reviewing turnover documentation, and ensuring that welds conform to the applicable code or standard.