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2023 Labor Law Posters Are Now Shipping!
2023 Labor Law Posters Are Now Shipping!

IWC 16 - Certain On-Site Occupations In Construction, Drilling, Logging, And Mining


“Construction occupations” mean all job classifications associated with construction, including, but not limited to, work involving alteration, demolition, building, excavation, renovation, remodeling, maintenance, improvement and repair work by the California Business and Professions Code, Division 3, Chapter 9, §§7025 et seq., and any other similar, or related occupations or trades.


  • Bricklayers/tenders
  • Carpenters
  • Carpet installers
  • Cement masons
  • Drywall installer/finisher
  • Electricians
  • Flag person
  • Framers
  • Glaziers
  • Hazardous material cleanup and handling (when contractor’s license required)
  • Iron workers
  • Laborers, construction
  • Landscape installers
  • Marble/granite/slate installer/finisher (natural or synthetic)
  • Mechanics (equipment)
  • Operating engineers
  • Painters
  • Plasterers
  • Plumbers
  • Roofers
  • Sheet metal workers
  • Slurry seal workers
  • Steel erectors
  • Stonemason and tenders
  • Surveyors
  • Teamsters (when working on-site)
  • Telecommunication workers
  • Tile setters and finishers
  • Welders

The Industrial Welfare Commission was established to regulate wages, hours and working conditions in California. IWC wage orders must be posted by all employers in an area frequented by employees, where they may be easily read during the workday.