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    4821 - Rail Transportation

    If you're involved in the transportation industry or exploring opportunities within government contracting, understanding NAICS code 4821 - Rail Transportation is essential. This classification plays a pivotal role in the Transportation and Warehousing sector, covering a broad range of rail-related services that keep America moving — from freight hauling to passenger services. Whether you’re a business owner, contractor, or industry analyst, this guide uncovers everything you need to know about NAICS 4821.


    What is NAICS Code 4821 - Rail Transportation?

    NAICS 4821 designates businesses primarily engaged in the operation of railroads for the transportation of passengers and freight. This code covers companies that provide both scheduled and non-scheduled rail services across the United States.

    Key Features:

    • Transporting goods and passengers via rail
    • Operating railway switching and terminal establishments
    • Managing freight yards and related logistics facilities

    Sector Overview: Transportation and Warehousing

    NAICS 4821 is part of the larger Transportation and Warehousing sector (NAICS 48-49). This sector encompasses industries providing transportation of passengers and cargo, warehousing and storage for goods, and support activities related to transportation.

    Typical Business Activities Under NAICS 4821:

    • Freight Railroads: Long-haul, regional, and short-line rail freight service providers
    • Passenger Railroads: Commuter, intercity, and urban passenger rail services
    • Railway Switching and Terminal Establishments: Facilities that provide switching services or perform rail yard operations

    Size Standards For NAICS 4821 Eligibility

    When it comes to government contracting and eligibility, the Small Business Administration (SBA) sets size standards according to industry revenue or employee count. For NAICS 4821:

    Criteria Size Standard
    Employees Maximum of 1,500 employees
    Annual Receipts (Revenue) Varies, but generally up to $38.5 million for some subcategories

    Note: Size standards can vary depending on the contract type or specific sub-industry. Always consult the latest SBA size standards for precise eligibility.


    Examples of Businesses Under NAICS 4821

    • Union Pacific Railroad — One of the largest freight rail networks in the U.S.
    • Amtrak (National Railroad Passenger Corporation) — Leading passenger rail service in the country
    • Kansas City Southern Railway — Regional freight railroad operator
    • Railway Switching Firms — Local companies providing yard switching services and rail terminal management

    These businesses operate the extensive rail infrastructure vital for commerce and passenger movement, contributing significantly to the economy.


    NAICS Code 4821 Details Table

    Element Description
    NAICS Code 4821
    Title Rail Transportation
    Sector Transportation and Warehousing (NAICS 48-49)
    Description Operation of railroads for passenger and freight transportation, including scheduled and non-scheduled services
    Typical Businesses Freight railroads, Passenger railroads, Railway switching and terminal establishments
    Size Standard Up to 1,500 employees; varies by receipt limits
    Common Services Provided Rail freight hauling, commuter/passenger rail service, rail yard switching

    Frequently Asked Questions (FAQs) about NAICS Code 4821

    Q1: What types of companies are classified under NAICS 4821?

    A: Companies that operate freight or passenger railroads, including those providing scheduled and on-demand rail services, as well as rail switching and terminal operations.

    Q2: How is NAICS 4821 different from other transportation codes?

    A: NAICS 4821 specifically focuses on rail-based transportation, whereas other transportation codes may cover road, air, maritime, or pipeline transportation.

    Q3: Can small businesses qualify under NAICS 4821?

    A: Yes. Small businesses with fewer than 1,500 employees or within applicable revenue thresholds can qualify, depending on the specific SBA size standards.

    Q4: Does NAICS 4821 include rail infrastructure construction?

    A: No. Rail infrastructure construction and maintenance typically fall under NAICS 237 (Heavy and Civil Engineering Construction), not NAICS 4821.

    Q5: Where can I find the official size standards for NAICS 4821?

    A: The Small Business Administration’s (SBA) official website provides annual updates on size standards by NAICS code.


    Conclusion

    NAICS code 4821 - Rail Transportation plays a vital role in the movement of people and goods across vast distances. It’s an essential sub-sector within the broader Transportation and Warehousing industry and offers multiple opportunities for businesses involved in freight and passenger rail operations. Knowing the scope, size standards, and typical businesses under this category can help you navigate government contracting and industry growth strategically.


    Optimized Keywords: NAICS Code 4821, Rail Transportation, Freight Railroads, Passenger Railroads, Railway Switching, Transportation and Warehousing, Rail Services, Government Contracting Rail Industry, SBA Size Standards Railroads