SIC Code 1629-09 - Trenching & Underground Contractors

Marketing Level - SIC 6-Digit

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SIC Code 1629-09 Description (6-Digit)

Trenching & Underground Contractors are companies that specialize in the excavation and installation of underground utilities, such as water, sewer, gas, and electrical lines. This industry involves the use of heavy machinery and equipment to dig trenches and install pipes and cables underground. Trenching & Underground Contractors work on a variety of projects, including residential, commercial, and industrial construction sites.

Hierarchy Navigation for SIC 6-Digit Code 1629-09


  • Trenchers
  • Excavators
  • Backhoes
  • Directional drills
  • Pipe layers
  • Vacuum excavators
  • Jackhammers
  • Compactors
  • Concrete saws
  • Shovels

Industry Examples of Trenching & Underground Contractors

  • Water main installation
  • Sewer line installation
  • Gas line installation
  • Electrical line installation
  • Fiber optic cable installation
  • Storm drain installation
  • Foundation excavation
  • Basement excavation
  • Roadway excavation
  • Tunnel excavation

SIC Code 1629-09 - Trenching & Underground Contractors

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