72012 - Contractors and supervisors, pipefitting trades

Contractors and supervisors in pipefitting trades supervise and coordinate the activities of workers classified in the following unit groups: Plumbers (72300), Steamfitters, pipefitters and sprinkler system installers (72301) and Gas fitters (72302). They are employed by construction companies, mechanical, plumbing and pipefitting trade contractors and maintenance departments of industrial, commercial and manufacturing establishments. Contractors may be self-employed.