Find trade information and apprenticeship resources, such as training standards and curriculum standards, by searching for and selecting a trade below.

  • Read the definitions to learn about the terms used in the table.

    These definitions explain the columns used in the table below.
    Trade Code: A unique numerical identifier for the trade.
    Classification: A trade is classified as either compulsory or non-compulsory. Compulsory trades require that you be a registered apprentice, Provisional Certificate of Qualification holder or Certificate of Qualification holder to legally work in the trade. Non-compulsory trades do not require you to be a registered apprentice or certified journeyperson to legally work in the trade.
    Exam: The trade has a written exam.
    Red Seal: A Red Seal is an endorsement on your provincial or territorial trade certification. It shows that you have the knowledge and skills necessary to practice your trade across Canada. Learn more about Red Seal trades.


Please note: Some of the documents describing trades including training standards may still refer to the Ontario College of Trades (the College), which has ceased operations and has been replaced by Skilled Trades Ontario. These documents are now being revised to reflect this change to the skilled trades system in Ontario. All other information contained in these documents continues to be relevant and accurate.

Check Trade Classification
Check Exam Requirements
Find Training Standards
Find Apprenticeship Resources

On September 1, 2024, phased implementation of a new Curriculum Standard will begin for the following three electrical trades: Electrician - Construction and Maintenance (309A), Industrial Electrician (442A), and Electrician - Domestic and Rural (309C). For more information on this change, please see each trade's details page.

Search for a Trade

Your Search Returned 144 Matches

Trade Name Trade Code Classification Exam Red Seal Trade Details
Pressure Systems Welder

456P Non-compulsory Yes View Details
Process Operator – Food Manufacturing

246T Non-compulsory No View Details
Process Operator – Power

246R Non-compulsory No View Details
Process Operator – Refinery, Chemical and Liquid Processes

246F Non-compulsory No View Details
Process Operator – Wood Products

246W Non-compulsory No View Details
Railway Car Technician

268R Non-compulsory Yes View Details
Recreation Vehicle Technician

690H Non-compulsory Yes Red Seal Badge View Details
Refractory Mason

401R Non-compulsory No View Details
Refrigeration and Air Conditioning Systems Mechanic

313A Compulsory Yes Red Seal Badge View Details
Reinforcing Rodworker

452A Non-compulsory Yes Red Seal Badge View Details
Relay and Instrumentation Technician

288R Non-compulsory No View Details
Residential (Low Rise) Sheet Metal Installer

308R Compulsory Yes View Details
Residential Air Conditioning Systems Mechanic

313D Compulsory Yes View Details
Restoration Mason

244H Non-compulsory No View Details
Retail Meat Cutter

245R Non-compulsory No View Details