Certified Companies

Use the form below to search for companies certified by the CWB to CSA standards W47.1, W47.2, W186, W55.3, W59 and A660. For companies certified to CSA W178.1 use the Certified Inspection Company Search form. For individuals certified to CSA W178.2 use our Certified Inspector Search form.

Fabricator and erector qualification
Fabricators and erectors responsible for welding structures fabricated or erected under this standard shall be certified by the Canadian Welding Bureau to the requirements of CSA W47.1 (Division 1 or Division 2), CSA W55.3, or both, as applicable. Part of the work may be sublet to a Division 3 fabricator or erector; however, the Division 1 or Division 2 fabricator or erector shall retain responsibility for the sublet work.