Division C: Construction
Major Group 17: Construction Special Trade Contractors

Industry Group 179: Miscellaneous Special Trade Contractors
1791 Structural Steel Erection

Special trade contractors primarily engaged in the erection of structural steel and of similar products of prestressed or precast concrete.
  • Building front installation, metal-contractors
  • Concrete products, structural precast or prestressed: placing of-
  • Concrete reinforcement, placing of-contractors
  • Curtain wall installation-contractors
  • Elevator front installation, metal-contractors
  • Iron work, structural-contractors
  • Metal furring-contractors
  • Steel work, structural-contractors
  • Storage tanks, metal: erection-contractors
  • Store front installation, metal-contractors
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