The other essential occupations are organized in three units, and listed by NOC code under their broad occupational category.
1. Major Unit Group
Sales support occupations
6611 Cashiers
6621 Service station attendants
6622 Store shelf stockers, clerks and order fillers
6623 Other sales related occupations
Industrial, electrical and construction trades
7201 Contractors and supervisors, machining, metal forming, shaping and erecting trades and related
7202 Contractors and supervisors, electrical trades and telecommunications occupations
7203 Contractors and supervisors, pipefitting trades
7204 Contractors and supervisors, carpentry trades
7205 Contractors and supervisors, other construction trades, installers, repairers and servicers
7231 Machinists and machining and tooling inspectors
7232 Tool and die makers
7233 Sheet metal workers
7234 Boilermakers
7235 Structural metal and platework fabricators and fitters
7236 Ironworkers
7237 Welders and related machine operators
7241 Electricians (except industrial and power system)
7242 Industrial electricians
7243 Power system electricians
7244 Electrical power line and cable workers
7245 Telecommunications line and cable workers
7246 Telecommunications installation and repair workers
7247 Cable television service and maintenance technicians
7251 Plumbers
7252 Steamfitters, pipefitters and sprinkler system installers
7253 Gas fitters
7271 Carpenters
7272 Cabinetmakers
7281 Bricklayers
7282 Concrete finishers
7283 Tilesetters
7284 Plasterers, drywall installers and finishers and lathers
7291 Roofers and shinglers
7292 Glaziers
7293 Insulators
7294 Painters and decorators (except interior decorators)
7295 Floor covering installers
Other installers, repairers and servicers and material handlers
7441 Residential and commercial installers and servicers
7442 Waterworks and gas maintenance workers
7444 Pest controllers and fumigators
7445 Other repairers and servicers
7451 Longshore workers
7452 Material handlers
Transport and heavy equipment operation and related maintenance occupations
7511 Transport truck drivers
7512 Bus drivers, subway operators and other transit operators
7513 Taxi and limousine drivers and chauffeurs
7514 Delivery and courier service drivers
7521 Heavy equipment operators (except crane)
7522 Public works maintenance equipment operators and related workers
7531 Railway yard and track maintenance workers
7532 Water transport deck and engine room crew
7533 Boat and cable ferry operators and related occupations
7534 Air transport ramp attendants
7535 Other automotive mechanical installers and servicers
Trades helpers, construction labourers and related occupations
7611 Construction trades helpers and labourers
7612 Other trades helpers and labourers
7621 Public works and maintenance labourers
7622 Railway and motor transport labourers
Harvesting, landscaping and natural resources labourers
8611 Harvesting labourers
8612 Landscaping and grounds maintenance labourers
8613 Aquaculture and marine harvest labourers
8614 Mine labourers
8615 Oil and gas drilling, servicing and related labourers
8616 Logging and forestry labourers
2. Minor Unit Group
Mail and message distribution occupations
1511 Mail, postal and related workers
1512 Letter carriers
1513 Couriers, messengers and door-to-door distributors
Retail salesperson
6421 Retail salespersons
Cleaners
6731 Light duty cleaners
6732 Specialized cleaners
6733 Janitors, caretakers and building superintendents
Agriculture and horticulture workers
8431 General farm workers
8432 Nursery and greenhouse workers
Other workers in fishing and trapping and hunting occupations
8441 Fishing vessel deckhands
8442 Trappers and hunters
Machine operators and related workers in food, beverage and associated products processing
9461 Process control and machine operators, food and beverage processing
9462 Industrial butchers and meat cutters, poultry preparers and related workers
9463 Fish and seafood plant workers
9465 Testers and graders, food and beverage processing
3. Specific 4 digit Unit Groups
0821 Managers in agriculture
0822 Managers in horticulture
4031 French and French Immersion Secondary school teachers (language of instruction must be French
4032 French and French Immersion Elementary school and kindergarten teachers (language of instruction must be French)
4411 Home child care providers
4413 Elementary and secondary school teacher assistants
6331 Retail butchers
6523 Airline ticket and service agents
6524 Ground and water transport ticket agents, cargo service representatives and related clerks
6541 Security guards and related security service occupations
6551 Customer services representatives - financial institutions
6552 Other customer and information services representatives
8252 Agricultural service contractors, farm supervisors and specialized livestock workers
8255 Contractors and supervisors, landscaping, grounds maintenance and horticulture services
9617 Labourers in food and beverage processing
9618 Labourers in fish and seafood processing
