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    4842 - Specialized Freight Trucking

    When it comes to moving goods that need special care or handling, NAICS code 4842 – Specialized Freight Trucking plays a vital role in the transportation and logistics industry. This code covers businesses that focus on transporting freight requiring specialized equipment or expertise. Whether it’s refrigerated goods, heavy machinery, or hazardous materials, companies under NAICS 4842 offer essential services customized for their unique cargo.

    What is NAICS Code 4842 – Specialized Freight Trucking?

    NAICS 4842 encompasses the transportation of freight that requires specialized handling or equipment. Unlike general freight trucking, this industry segment serves businesses that ship products needing specific environmental controls, unique vehicles, or safety measures to ensure proper delivery.

    Key Highlights:

    • Transportation of refrigerated or frozen goods
    • Hauling oversized or heavy machinery and equipment
    • Moving hazardous materials requiring compliance with safety regulations

    Sector: Transportation and Warehousing

    NAICS 4842 is part of the broader Transportation and Warehousing sector, which covers industries involved in transporting people and goods as well as providing storage and warehousing services. Specialized freight trucking businesses contribute a critical link in the supply chain, addressing unique freight challenges.

    Typical Business Activities Under NAICS 4842

    Businesses classified under NAICS 4842 often engage in:

    • Refrigerated Freight Trucking: Transporting perishable items like food, pharmaceuticals, and other temperature-sensitive goods using refrigerated trucks (reefers).
    • Heavy Haul Trucking: Moving oversized or extremely heavy cargo such as construction equipment, industrial machinery, and large vehicles.
    • Hazardous Materials Trucking: Handling and transporting hazardous materials requiring strict adherence to federal and state safety regulations, like chemicals, flammable liquids, or explosives.

    Size Standards for NAICS 4842 Eligibility

    The U.S. Small Business Administration (SBA) defines size standards based on either average annual receipts or the number of employees. For NAICS code 4842:

    NAICS Code Industry Title Size Standard (Annual Receipts) Size Standard (Employees)
    4842 Specialized Freight Trucking $28.5 million Not typically employee-based

    Eligible businesses under this code typically have annual revenues below $28.5 million to qualify as small businesses for government contracting and other support programs.

    Examples of Businesses Under NAICS 4842

    • A refrigerated trucking company transporting frozen seafood along the East Coast.
    • A logistics provider specializing in moving construction cranes and oversized loads across states.
    • A hazardous materials carrier offering safe chemical transportation services for industrial clients.

    NAICS Code 4842 – Specialized Freight Trucking Details Table

    Attribute Details
    NAICS Code 4842
    Title Specialized Freight Trucking
    Description Transportation of goods requiring specialized equipment or handling like refrigerated goods, heavy machinery, or hazardous materials.
    Sector Transportation and Warehousing
    Size Standard $28.5 million in average annual receipts (small business)
    Typical Business Types Refrigerated freight trucking, Heavy haul trucking, Hazardous materials trucking

    Frequently Asked Questions (FAQs)

    What kind of freight requires specialized trucking services?

    Freight that is temperature-sensitive, oversized, extremely heavy, or hazardous requires specialized equipment and handling, making it suitable for NAICS 4842 classification.

    How is NAICS code 4842 different from general freight trucking?

    General freight trucking handles typical cargo that does not need special equipment, while NAICS 4842 businesses focus on freight requiring customized vehicles or regulatory compliance.

    Can businesses with multiple trucking services qualify under NAICS 4842?

    Yes. If the primary business activity involves specialized freight transportation, the company can be classified under NAICS 4842.

    What are the compliance requirements for hazardous materials trucking?

    Companies transporting hazardous materials must adhere to regulations by the Department of Transportation (DOT), Environmental Protection Agency (EPA), and other relevant authorities to ensure safe handling and transport.


    NAICS code 4842 – Specialized Freight Trucking represents a crucial sector within transportation, supporting industries that require tailored trucking solutions. Whether you operate a heavy haul trucking service or refrigerated freight company, understanding this NAICS code and its requirements can open doors to business opportunities and government contracting prospects.

    For businesses looking to expand or enter specialized freight markets, knowing the size standards and sector details is essential to positioning for success.

    Keywords: NAICS 4842, Specialized Freight Trucking, refrigerated freight trucking, heavy haul trucking, hazardous materials trucking, transportation and warehousing, specialized freight transportation, small business size standards