NAICS 333998 - All Other Miscellaneous General Purpose Machinery Manufacturing
This page includes content generated by AI. It is intended for general guidance only and should be verified for your specific situation.
What is NAICS 333998
NAICS code 333998 encompasses establishments primarily engaged in manufacturing a diverse range of general purpose machinery excluding several specialized categories such as HVAC equipment, metalworking machinery, and industrial process furnaces. This sector includes manufacturers of equipment like automatic fire sprinkler systems, baling machinery, hydraulic jacks, and laboratory centrifuges. Businesses operating in this sector provide essential machinery that supports various industrial, commercial, and safety applications, often requiring custom designs and robust engineering to meet strict regulatory standards. Government agencies contract these manufacturers to ensure the availability of reliable, high-quality equipment critical for infrastructure, defense, environmental safety, and public health missions. The sector’s versatility and specialized products make it a strategic supplier in government procurement programs.
Industry Classification for NAICS 333998
This U.S. industry comprises establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metalworking machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process furnaces and ovens; fluid power cylinders and actuators; and fluid power pumps and motors).
Illustrative Examples:
- Automatic fire sprinkler systems manufacturing
- Baling machinery (e.g., paper, scrap metal) manufacturing
- Bridge and gate lifting machinery manufacturing
- Centrifuges, industrial and laboratory-type, manufacturing
- Cremating ovens manufacturing
- General purpose-type sieves and screening equipment manufacturing
- Hydraulic and pneumatic jacks manufacturing
- Industrial and general purpose-type filters (except internal combustion engine, warm air furnace) manufacturing
- Scales and balances manufacturing
Breakdown for NAICS 333998
- Manufactures general purpose machinery excluding HVAC, metalworking, and power transmission equipment.
- Includes a wide range of specialized machinery such as fire sprinkler systems and hydraulic jacks.
- Typical contract sizes vary widely, from small purchases to multi-million dollar agreements.
- Supports critical government functions in safety, infrastructure, and environmental protection.
- Small and medium manufacturers play a key role, often qualifying for small business programs.
- Contracts often require compliance with strict technical and safety standards.
Included Activities for NAICS 333998
- Manufacturing automatic fire sprinkler systems for building safety.
- Producing baling machinery used in recycling and waste management.
- Fabricating industrial and laboratory centrifuges for various applications.
- Constructing hydraulic and pneumatic jacks for lifting and maintenance tasks.
- Building industrial filters and sieves for environmental and manufacturing processes.
- Manufacturing scales and balances used in commercial and industrial settings.
- Designing and producing cremating ovens and other specialized thermal equipment.
- Fabricating bridge and gate lifting machinery for infrastructure projects.
Business Types for NAICS 333998
- Specialized machinery manufacturing firms.
- Small and medium-sized manufacturing enterprises.
- Engineering and fabrication companies focused on industrial equipment.
- Suppliers of safety and fire protection equipment.
- Manufacturers serving municipal and federal infrastructure programs.
Subcategories for NAICS 333998
- Aircraft carrier catapults manufacturing
- Baby scales manufacturing
- Balances, including laboratory-type, manufacturing
- Baling machinery (e.g., paper, scrap metal) manufacturing
- Bathroom scales manufacturing
- Bellows, industrial-type, manufacturing
- Bridge and gate lifting machinery manufacturing
- Centrifuges, industrial and laboratory-type, manufacturing
- Cremating ovens manufacturing
- Delicatessen scales manufacturing
- Filters, industrial and general purpose-type (except internal combustion engine, warm air furnace), manufacturing
- Gas generating machinery, general purpose-type, manufacturing
- Gas separating machinery manufacturing
- Gate and bridge lifting machinery manufacturing
- Ice crushers, industrial and commercial-type, manufacturing
- Industrial robot cells manufacturing
- Industrial robots manufacturing
- Industrial scales manufacturing
- Jacks, hydraulic and pneumatic, manufacturing
- Motor truck scales manufacturing
- Parcel post scales manufacturing
- Post office-type scales manufacturing
- Presses, metal baling, manufacturing
- Railroad track scales manufacturing
- Retail scales (e.g., butcher, delicatessen, produce) manufacturing
- Scales, including laboratory-type, manufacturing
- Screening and sifting machinery for general industrial use manufacturing
- Sieves and screening equipment, general purpose-type, manufacturing
- Sludge tables manufacturing
- Sprinkler systems, automatic fire, manufacturing
- Steam separating machinery manufacturing
- Strainers, pipeline, manufacturing
- Vapor separating machinery manufacturing
- Vehicle scales manufacturing
- Weather vanes manufacturing
Government Buyers for NAICS 333998
Federal, state, and local government agencies frequently purchase products under NAICS code 333998 to support infrastructure maintenance, emergency response, environmental protection, and industrial operations. Agencies such as the Department of Defense, Environmental Protection Agency, and municipal public works departments rely on machinery like fire sprinkler systems, industrial filters, and lifting equipment to meet safety regulations, enhance operational efficiency, and protect assets. These agencies require durable and compliant machinery to support mission-critical functions including disaster preparedness, environmental remediation, and infrastructure management. Contracting with specialized manufacturers ensures agencies receive equipment tailored to stringent operational and regulatory requirements.
Contract Types & Procurement for NAICS 333998
Contracts awarded under NAICS 333998 typically range from firm-fixed-price to indefinite delivery/indefinite quantity (IDIQ) contracts, reflecting the varied nature of procurement needs. These contracts often involve competitive bidding, simplified acquisitions for smaller orders, and negotiated procurements for complex or custom machinery. Typical contract values span from tens of thousands to several million dollars depending on the complexity, volume, and customization of the machinery involved. Government buyers may also utilize multiple-award contracts and blanket purchase agreements to secure timely access to essential equipment. Performance-based contracts are common, emphasizing compliance with technical specifications and delivery timelines.
Details for NAICS 333998
Explore the hierarchy and related codes for this industry
Federal Contracting Intelligence
Find All Other Miscellaneous General Purpose Machinery Manufacturing Contract Opportunities
Access federal solicitations, track award history, and monitor agency spend in this industry in one place. Designed to support small businesses pursuing federal revenue.
- Opportunities updated regularly from SAM.gov
- Filter by set-aside, agency, NAICS, and PSC
- Get notified when matching opportunities are posted
Schedule a Call
30 minutes • Discuss your goals with our team
Guidance
Leverage Your Certifications for a Competitive Edge
Our federal contracting specialists can help businesses build certifications and capability statements to pursue opportunities in industries like All Other Miscellaneous General Purpose Machinery Manufacturing .
- WOSB, VOSB & 8(a) certification support
- Capability statement writing & review
- SAM.gov registration & compliance guidance
Construction
Technology
Logistics
Healthcare
+ Many More Industries
Discover Your Next Industry Opportunity
Browse thousands of NAICS codes across every federal procurement sector. Find industries aligned with your capabilities and uncover where government spending is concentrated.
Search the NAICS Directory
1,000+ industry codes • Free to browse