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    485112 - Commuter Rail Systems

    Are you exploring opportunities in the transportation sector or aiming to understand government contracting classifications? NAICS Code 485112 - Commuter Rail Systems plays a crucial role in daily transit between residential suburbs and urban centers. This code categorizes businesses offering passenger rail services designed primarily for commuters, linking communities efficiently and sustainably.

    What is NAICS Code 485112?

    NAICS Code 485112 refers to Commuter Rail Systems, which operate passenger rail services predominantly for daily commuters traveling between residential areas and central business districts. These rail systems provide scheduled services along fixed routes, specifically tailored to accommodate the needs of daily travelers.

    Key Characteristics of NAICS Code 485112

    • Provides scheduled passenger rail services on fixed commuter routes
    • Operates primarily between suburbs and urban centers
    • Focuses on daily travel needs of commuters
    • Excludes mixed-mode and non-commuter rail services

    Sector: Transportation and Warehousing

    NAICS Code 485112 falls under the broader Transportation and Warehousing sector, highlighting its essential role in the movement and logistics landscape. This sector supports the efficient transit of people, goods, and services, ensuring economic activity and community connectivity.

    Typical Business Activities Under NAICS 485112

    Businesses classified under this code are typically involved in:

    • Operating suburban passenger rail services
    • Managing regional commuter train operations
    • Providing rail transit services connecting suburbs to urban centers

    These activities involve managing rail transit infrastructure, scheduling services, maintaining rolling stock, and ensuring safe, reliable transportation for daily commuters.

    Size Standard for NAICS 485112

    To be eligible under the small business size standards for government contracting, companies must not exceed:

    • $47 million in average annual receipts

    This size standard helps determine eligibility for small business programs and certifications related to commuter rail systems.

    Examples of Businesses Operating Under NAICS 485112

    • Suburban commuter rail operators serving metropolitan areas
    • Regional transportation authorities offering daily train services connecting suburbs
    • Private and public rail transit providers facilitating urban-suburban commuting

    Examples include public transit agencies running commuter trains around cities like New York, Chicago, or San Francisco, as well as private contractors providing commuter rail management or maintenance services.

    NAICS Code 485112 - Commuter Rail Systems Details

    NAICS Code Description Sector Size Standard Code Details
    485112 Commuter Rail Systems operating passenger rail service for daily travel between homes and jobs Transportation and Warehousing $47 million in average annual receipts Commuter rail systems (except mixed mode), Local passenger rail systems (except mixed mode), Rail transportation (except mixed mode), commuter, Railway systems (except mixed mode), commuter, Suburban commuter rail systems (except mixed mode), Urban commuter rail systems (except mixed mode)

    Frequently Asked Questions (FAQ) About NAICS Code 485112

    What types of services are included in NAICS 485112?

    This NAICS code includes passenger rail services primarily designed for daily commuting between residential areas and central business districts, focusing on fixed-route, scheduled operations.

    Does NAICS 485112 include mixed-mode rail systems?

    No, it specifically excludes mixed-mode systems. The code covers commuter rail systems solely dedicated to rail-based commuter transportation.

    What is the business size standard for NAICS 485112?

    The size standard is $47 million in average annual receipts, which is used to determine small business eligibility for government contracts under this code.

    Can a private company providing maintenance for commuter rail systems be classified under 485112?

    Generally, 485112 applies to entities operating commuter rail transit services. Maintenance providers might fall under related but distinct NAICS codes focused on railroad maintenance and services.

    Why is understanding NAICS codes important for businesses?

    NAICS codes help businesses classify their industry activities correctly for government contracting, compliance, market research, and eligibility for small business programs.


    By understanding NAICS Code 485112 - Commuter Rail Systems, businesses operating in or aspiring to enter the commuter rail market can better align their strategies with federal and industry classifications, optimize contracting opportunities, and contribute to vital urban infrastructure. Whether youโ€™re a regional rail operator or a transportation consultant, mastering this classification offers clarity and competitive advantage.

    For more information on government contracting and NAICS codes, stay tuned to our blog.