SIC Code 4111-04 - Underground Transit Services

Marketing Level - SIC 6-Digit

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Looking for more companies? See SIC 4111 - Local and Suburban Transit - 3,109 companies, 22,862 emails.

SIC Code 4111-04 Description (6-Digit)

Underground Transit Services is a subdivision of the Local and Suburban Transit industry that involves the operation of transportation systems that run underground. These systems are typically found in densely populated urban areas and provide a convenient and efficient means of transportation for commuters. Underground Transit Services can include subways, metro systems, and other forms of underground rail transportation. The operation of Underground Transit Services involves a range of activities, including the maintenance of tracks, trains, and stations, as well as the management of schedules and routes. Safety is a top priority in this industry, and companies must adhere to strict regulations and protocols to ensure the safety of passengers and employees.

Parent Code - Official US OSHA

Official 4‑digit SIC codes serve as the parent classification used for government registrations and OSHA documentation. The marketing-level 6‑digit SIC codes extend these official classifications with refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader view of the industry landscape. For further details on the official classification for this industry, please visit the OSHA SIC Code 4111 page

Tools

  • Rail grinders
  • Track inspection vehicles
  • Tunnel boring machines
  • Rail saws
  • Rail drills
  • Rail tamping machines
  • Rail welding machines
  • Rail lifting jacks
  • Rail cutting machines
  • Rail lubricators
  • Rail gauges
  • Rail pullers
  • Rail straighteners
  • Rail aligners
  • Rail clamps
  • Rail anchors
  • Rail fasteners
  • Rail switches
  • Rail turnouts
  • Rail crossings

Industry Examples of Underground Transit Services

  • Subway systems
  • Metro systems
  • Underground rail systems
  • Rapid transit systems
  • Tube systems
  • Underground railways
  • City subways
  • Urban rail systems
  • Mass transit systems
  • Commuter rail systems