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    ← Back to NAICS AI Search

    333998 - All Other Miscellaneous General Purpose Machinery Manufacturing

    Navigating the world of government contracting and business classification can be complex, but understanding NAICS codes is essential for companies operating in specific industrial sectors. One such critical classification is NAICS code 333998, titled All Other Miscellaneous General Purpose Machinery Manufacturing. This niche yet vital industry classification covers a broad range of manufacturers producing specialized machinery used across various industrial and commercial applications.

    What is NAICS Code 333998?

    NAICS code 333998 includes establishments primarily engaged in manufacturing general-purpose machinery that doesn’t fall under other specific manufacturing categories. These machines often serve versatile industrial or commercial functions, ranging from scales used in laboratories to industrial robots, baling machinery, and fire sprinkler systems.

    This classification captures a diverse and specialized group of manufacturers that fabricate machinery tailored for multiple sectors but not covered by standard machinery categories.

    Sector: Manufacturing

    NAICS 333998 falls within the broader Manufacturing sector. Companies classified under this code contribute to industrial development by producing advanced machinery components and equipment used in manufacturing, logistics, safety systems, and scientific research.

    Typical Business Activities Under NAICS 333998

    Businesses under this NAICS code engage in:

    • Custom manufacture of specialized industrial machinery
    • Production of miscellaneous general purpose machinery parts and components
    • Fabrication of machinery used for weighing, separating, balancing, and lifting
    • Manufacturing of equipment that supports industrial automation and fire safety systems

    These activities demonstrate the diversity and technical specialization within this category, essential to supporting various industries.

    Size Standards for NAICS 333998 Eligibility

    To qualify as a small business under NAICS 333998, companies generally must have 700 or fewer employees. This size standard is essential for government contracting opportunities and grants designed to support small and medium-sized manufacturing enterprises.

    Examples of Businesses Within NAICS 333998

    • Manufacturers of industrial and laboratory-type centrifuges
    • Producers of various scales, including baby, retail, motor truck, and laboratory models
    • Builders of industrial robots and robot cells
    • Fabricators of fire sprinkler systems and industrial bellows
    • Companies making baling machinery for scrap metal or paper recycling

    These examples reflect the wide-ranging machinery types encompassed in this classification and the scope of companies that operate within it.


    Detailed Breakdown of NAICS Code 333998 Activities

    Machinery/Equipment Type Description
    Aircraft carrier catapults manufacturing Fabrication of specialized systems for launching aircraft
    Baby scales manufacturing Scales designed for weighing infants
    Balances, including laboratory-type, manufacturing Precision weighing instruments for scientific and industrial use
    Baling machinery (e.g., paper, scrap metal) manufacturing Equipment used for compressing recyclable and scrap materials
    Bathroom scales manufacturing Consumer and commercial scales for personal weight measurement
    Bellows, industrial-type, manufacturing Flexible, expandable components used in machinery and industrial equipment
    Bridge and gate lifting machinery manufacturing Devices for lifting and moving large gates and bridges
    Centrifuges, industrial and laboratory-type, manufacturing Machines separating materials by centrifugation
    Cremating ovens manufacturing Production of ovens for cremation purposes
    Delicatessen scales manufacturing Scales specifically made for food service environments
    Filters, industrial and general purpose-type manufacturing Manufacturing of equipment for filtration processes, excluding combustion engine filters
    Gas generating machinery, general purpose-type, manufacturing Machines producing gases for industrial applications
    Gas separating machinery manufacturing Equipment designed to separate gases from mixtures
    Gate and bridge lifting machinery manufacturing Design and build machinery used in moving gates or bridges
    Ice crushers, industrial and commercial-type, manufacturing Equipment for crushing ice for commercial use
    Industrial robot cells manufacturing Production of integrated robotic workstations
    Industrial robots manufacturing Building robots for automated manufacturing processes
    Industrial scales manufacturing Manufacturing large-scale weighing systems
    Jacks, hydraulic and pneumatic, manufacturing Production of lifting devices using hydraulic or pneumatic power
    Motor truck scales manufacturing Scales designed for weighing commercial trucks
    Parcel post scales manufacturing Scales used in postal and package handling
    Post office-type scales manufacturing Scales used in postal service operations
    Presses, metal baling, manufacturing Heavy machinery for compressing scrap metal into bales
    Railroad track scales manufacturing Weighing systems integrated with railroad tracks
    Retail scales (e.g., butcher, delicatessen, produce) manufacturing Scales used for retail product weighing
    Scales, including laboratory-type, manufacturing Precision weighing scales for lab and industrial uses
    Screening and sifting machinery for general industrial use Equipment to separate materials by size or texture
    Sieves and screening equipment, general purpose-type, manufacturing Machinery designed for filtering and sieving applications
    Sludge tables manufacturing Equipment used for dewatering sludge
    Sprinkler systems, automatic fire, manufacturing Automatic systems for fire suppression
    Steam separating machinery manufacturing Devices used to separate steam from liquids or solids
    Strainers, pipeline, manufacturing Equipment for filtering particles from fluids in pipelines
    Vapor separating machinery manufacturing Machinery to separate vapor from mixtures
    Vehicle scales manufacturing Large scales for weighing vehicles
    Weather vanes manufacturing Production of devices indicating wind direction

    Frequently Asked Questions (FAQ) About NAICS Code 333998

    What types of machinery are included under NAICS 333998?

    This code includes a wide variety of general-purpose machinery such as industrial robots, scales (baby, laboratory, retail), baling machinery, sprinklers, centrifuges, and specialized lifting or separation equipment.

    Which sector does NAICS 333998 belong to?

    It belongs to the Manufacturing sector with a strong industrial and commercial machinery production focus.

    What is the small business size standard for this NAICS code?

    The small business size standard is 700 employees or fewer according to SBA guidelines.

    Can companies producing customized machinery fall under NAICS 333998?

    Yes, companies manufacturing specialized or customized general purpose machinery not classified elsewhere typically fall under this code.

    Is NAICS code 333998 used for government contracting?

    Absolutely, knowing your NAICS code is crucial for bidding on government contracts relevant to your business sector, especially if you are a small or medium enterprise.


    Conclusion

    NAICS code 333998 - All Other Miscellaneous General Purpose Machinery Manufacturing represents a specialized and diverse sector within manufacturing. Whether you are fabricating baby scales, industrial robots, or baling machinery, this classification helps define your business identity for government contracting, industry analysis, and compliance.

    Understanding this NAICS code opens doors to better targeting of government contracts, grants, and business partnerships in the manufacturing space. If your company fits within this niche and meets the small business size standards, ensure you leverage this classification to maximize your market opportunities!

    View Active Opportunities for NAICS 333998

    See current federal, state, and local government contracts using this NAICS code.

    Browse 333998 Opportunities →
    ← Back to NAICS Browser

    Explore More NAICS Codes:

    • 42411 - Printing and Writing Paper Merchant Wholesalers
    • 3115 - Dairy Product Manufacturing
    • 23815 - Glass and Glazing Contractors
    • 2122 - Metal Ore Mining
    • 325612 - Polish and Other Sanitation Good Manufacturing

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