Currently, there are more then 135 apprenticeship trades in the province of Ontario. These trades are divided into four sectors.

MOTIVE POWER Alignment & Brakes Technician Auto Body & Collision Damage Repairer Auto Body Repairer (Branch 2) Automotive Electronic Accessory Technician Automotive Glass Technician Automotive Painter Automotive Service Technician Farm Equipment Technician Fuel & Electrical Systems Technician Heavy Duty Equipment Technician Marine Engine Mechanic Motorcycle Mechanic Powered Lift Truck Technician Recreation Vehicle Mechanic Small Engine Technician Tire, Wheel & Rim Mechanic Transmission Technician Truck & Coach Technician Truck-Trailer Service Technician Turf Equipment Technician
CONSTRUCTION Brick And Stone Mason Cement Finisher Cement Mason Construction Boilermaker Construction Craft Worker Construction Millwright Drywall Applicator Drywall Finisher & Plasterer Electrician (Construction & Maintenance) Electrician (Domestic & Rural) Floor Covering Installer General Carpenter Glazier & Metal Mechanic Heat & Frost Insulator Heavy Equipment Operator Dozer Heavy Equipment Operator Excavator Heavy Equipment Operator Tractor Loader Backhoe Hoisting Engineer Mobile Crane Operator, Branch 1 Hoisting Engineer Mobile Crane Operator, Branch 2 Hoisting Engineer Tower Crane Operator, Branch 3 Ironworker Lineworker: Construction Lineworker: Power Native Residential Construction Worker Painter and Decorator (Commercial & Residential) Painter and Decorator (Industrial) Plumber Precast Concrete Erector Precast Concrete Finisher Refrigeration & Air Conditioning Mechanic Reinforcing Rodworker Restoration Mason Roofer Sheet Metal Worker Sprinkler & Fire Protection Installer Steamfitter Terrazzo, Tile & Marble Setter
INDUSTRIAL Aircraft Maintenance Engineer Bearings Mechanic Blacksmith Cabinetmaker Carperson (Railway) CNC Programmer Composite Structures Technician (Aircraft) Die Design Draftsperson Mechanical Draftsperson Plastic Mould Design Draftsperson Tool & Die Design Electric Motor Rewind Mechanic Electrical Control (Machine) Builder Elevating Device Mechanic Facilities Mechanic Facilities Technician Fitter-Assembler (Motor Assembly) Fitter (Structural Steel/Plateworker) Fitter Welder General Machinist Hydraulic/Pneumatic Mechanic Industrial Electrician Industrial Instrument Mechanic Industrial Mechanic Millwright Locksmith Machine Tool Builder & Integrator Mould Design Mould or Die Finisher Mould Maker Optics Technician (Precision Lens & Prism Maker) Packaging Machine Mechanic Pattern Maker Precision Metal Fabricator Process Operator (Refinery, Chemical & Liquid Processes) Pump Systems Installer Roll Grinder/Turner Saw Filer/Fitter Ski Lift Mechanic Surface Blaster Surface Mount Assembler Tool & Cutter Grinder Tool And Die Maker Tool And Gauge Inspector Tool/Tooling Maker Water Meter Installer Water Well Driller Welder
SERVICES Aboriginal Early Childhood Educator Agriculture Dairy Herdsperson Agriculture Fruit Grower Agriculture Swine Herdsperson Appliance Service Technician Arborist Baker Baker/Patissier Chef Child & Youth Worker Cook Assistant Branch 1 Cook Branch 2 Early Childhood Educator Early Childhood Educator (Inclusion Practices) Educational Assistant Electronic Service Technician Gemsetter/Goldsmith Hairstylist Horse Groom Horse Harness Maker Horticultural Technician Information Technology Support Analyst Hardware Information Technology Support Analyst Help Desk Information Technology Support Analyst Network Microelectronics Manufacturer Native Clothing & Crafts Artisan Network Cabling Specialist Partsperson (Automotive)Pool & Hot Tub/Spa Installer Pool & Hot Tub/Spa Service Technician Retail Meat Cutter Saddlery Special Events Coordinator Wooden Boat Rebuilder