Contractors and supervisors in machining, metal forming, shaping and erecting trades and related occupations supervise and co-ordinate the activities of workers classified in the following unit groups: Machinists and machining and tooling inspectors (NOC 7231), Tool and die makers (NOC 7232), Sheet metal workers (NOC 7233), Boilermakers (NOC 7234), Structural metal and platework fabricators and fitters (NOC 7235), Ironworkers (NOC 7236), Welders and related machine operators (NOC 7237) and Machining tool operators (NOC 9417).

• Completion of secondary school is usually required.
  
• Several years of experience as a qualified machinist or tool and die maker are required.
  
• Journeyman/woman trade certification in machining, tool and die making or in another related metalworking trade is required.