Contractors and supervisors, machining, metal forming, shaping and erecting trades and related occupations

Contractors and supervisors in machining, metal forming, shaping and erecting trades and related occupations supervise and coordinate the activities of workers classified in the following unit groups: Machinists and machining and tooling inspectors (72100), Tool and die makers (72101), Sheet metal workers (72102), Boilermakers (72103), Structural metal and platework fabricators and fitters (72104), Ironworkers (72105), Welders and related machine operators (72106) and Machining tool operators (94106). They are employed by structural, platework and related metal products fabrication, manufacturing and erecting companies and machine shops. Contractors may be self-employed.

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