Contractors and supervisors in mechanic trades supervise and co-ordinate the activities of workers classified in unit groups within the following minor groups: Machinery and transportation equipment mechanics (except motor vehicle) (NOC 731), Automotive service technicians (NOC 732) and Other mechanics (NOC 733).

• Supervise, co-ordinate and schedule the activities of workers who repair and maintain aircraft, railway locomotives and cars, industrial machinery and equipment, construction and other heavy equipment, textile equipment, printing machines, heating equipment and furnaces, transformers and other electrical equipment, motor vehicles, air conditioning and refrigeration equipment, electric appliances and other equipment, such as motorcycles, outboard motors and snowmobiles
  
• Establish methods to meet work schedules and co-ordinate work activities with other departments
  
• Requisition materials and supplies
  
• Resolve work problems and recommend work measures to improve productivity
  
• Train or arrange for training of workers
  
• Recommend personnel actions such as hiring and promotions
  
• Ensure that standards for safe working conditions are observed
  
• Prepare production and other reports
  
• May manage the operations of their own companies
  
• May also supervise, co-ordinate and schedule the activities of related apprentices, helpers and labourers.
  

Small businesses' contractors may execute tasks within their trade area of expertise, which is generally not the case for supervisors or contractors associated with a medium or large business.

Air conditioning and refrigeration mechanic foreman/woman
Aircraft maintenance engineers (AME) supervisor
Appliance repair shop supervisor
Electrical mechanics foreman/woman
Heating systems contractor
Heating systems mechanics foreman/woman
Industrial mechanics supervisor
Motor vehicle repair shop supervisor
Railway equipment maintenance inspectors foreman/woman
Small-engine repair shop supervisor

Contractors and supervisors in mechanic trades are employed in a wide range of establishments; places of employment are indicated in the unit group descriptions of the above minor groups. Contractors may be self-employed.