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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /4237

    NAICS Demand Lane

    Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers, Contract Opportunities

    521 total opportunities (521 active) tied to NAICS 4237 across federal, state, local, and forecast sources.
    NAICS 4237Federal + SLED521 total
    View NAICS definition →
    Total Opportunities
    521
    Across all indexed sources
    Active Estimate
    521
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 4237.

    DEPARTMENT OF HOMELAND SECURITY

    PERSONNEL RECOVERY ESCAPE & SURVIVAL/TRAINING EQUIPMENT AND SUPPLIES

    Archived

    AI Summary

    The Department of Homeland Security, US Customs and Border Protection, is soliciting for personnel recovery escape and survival training equipment and supplies. This opportunity is categorized under NAICS code 423710 and is not set aside for simplified acquisition procedures. Interested bidders can find more details th…

    DC

    Posted Aug 18, 2026Due Aug 24, 2026SolicitationNAICS 423710Total Small Business Set-Aside (FAR 19.5)Sol: 20158388
    View details→

    DEPARTMENT OF STATE

    Supply and Installation of Modular Stand-Alone Refrigeration Wall Systems- for Supermarket use - in Rome, Italy

    Archived

    AI Summary

    The U.S. Embassy in Rome, Italy is preparing to solicit bids for the supply and installation of modular stand-alone refrigeration wall systems for supermarket use. Interested contractors must be registered in the SAM database and are encouraged to submit their offers electronically. The contract will be awarded based o…

    DC

    Posted Aug 10, 2026PresolicitationNAICS 423740Sol: 191T7026Q0036
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    J041--REPLACEMENT CHILLER UNIT

    Archived

    AI Summary

    The Department of Veterans Affairs is soliciting for a new chiller unit. This opportunity is categorized under NAICS code 423730, focusing on HVAC equipment. Bidders should prepare to provide a replacement chiller unit as specified in the solicitation.

    KS

    Posted Aug 6, 2026Due Aug 14, 2026SolicitationNAICS 423730Sol: 36C25526Q0582
    View details→

    DEPT OF DEFENSE

    53--COVER,PROTECTIVE,DUST

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 94 units of protective dust covers under NSN 5340015586141. This RFQ may lead to an Indefinite Delivery Contract with a one-year term. Quotes must be submitted electronically, and hard copies are not available. The estimated total order value is $350,000.

    OH

    Posted Aug 5, 2026Due Aug 20, 2026Combined Synopsis/SolicitationNAICS 423710Sol: SPE7LX26U9312
    View details→

    DEPT OF DEFENSE

    Commercial Kitchen Equipment

    Archived

    AI Summary

    The Minnesota Army National Guard is seeking quotes for various commercial-grade kitchen equipment, including freezers, refrigerators, and ovens, to be delivered by September 30, 2026. This is a 100% Small Business Set-Aside under FAR Part 12.201-1, and offers must adhere to specific submission instructions outlined in…

    MN

    Posted Jul 30, 2026Due Aug 7, 2026SolicitationNAICS 423740Small Business Set Aside - TotalSol: W912LM26QA019
    View details→

    164 TYPES OF TOOLS

    Archived

    AI Summary

    This opportunity involves a one-time purchase of 164 different tools required for the daily operations of the Directorate of Public Works. Interested bidders should prepare to supply the necessary tools as specified in the solicitation.

    Posted Jul 28, 2026Due Aug 10, 2026SolicitationNAICS 423730Sol: W51LL526QA012
    View details→

    PERSONAL PROTECTIVE EQUIPMENT (PPE) CAMP HUMPHREYS, SOUTH KOREA

    Archived

    AI Summary

    This opportunity involves the solicitation for a variety of personal protective equipment (PPE) at Camp Humphreys, South Korea. Bidders are invited to provide their proposals for the required PPE items. The primary NAICS code for this opportunity is 423730, which pertains to the wholesale trade of safety equipment.

    Posted Jul 28, 2026Due Aug 7, 2026SolicitationNAICS 423730Sol: W91QVN26QA046
    View details→

    DEPARTMENT OF STATE

    SUPPLY AND DELIVERY ONLY OF SOLAR PHOTOVOLTAIC ELECTRICITY GENERATION SYSTEMS COUPLED WITH AN ON-SITE BATTERY STORAGE SYSTEM TO THE U.S EMBASSY IN LUSAKA, ZAMBIA.

    Archived

    AI Summary

    This opportunity involves the supply and delivery of solar photovoltaic electricity generation systems with an on-site battery storage system to the U.S. Embassy in Lusaka, Zambia. Interested bidders should request the solicitation documents from the U.S. Embassy's Contracting Officer via email.

    DC

    Posted Jul 24, 2026Due Aug 10, 2026Combined Synopsis/SolicitationNAICS 423720Sol: 19ZA6026Q0007
    View details→

    DEPARTMENT OF STATE

    GUATEMALA - SPARE FILTERS FOR AIR HANDLING UNITS

    Archived

    AI Summary

    The U.S. Embassy in Guatemala is seeking to purchase and deliver air filters for Air Handling Units to support the operation and maintenance of its HVAC systems. This procurement includes all applicable service fees to ensure proper indoor air quality and equipment performance.

    DC

    Posted Jul 23, 2026Due Aug 14, 2026SolicitationNAICS 423730Sol: 19GT5026Q0062
    View details→

    DEPT OF DEFENSE

    Air Filters

    Archived

    AI Summary

    The Department of Defense is soliciting bids for various sizes of air filters for Air Handling Units at K-16 Air Base and CP Tango in South Korea. Recent amendments have updated dimensions and sample pictures, and extended the solicitation closing date.

    AP

    Posted Jul 23, 2026Due Jul 27, 2026SolicitationNAICS 423730Sol: W91QVN26QA043
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    303
    sled
    217
    forecast
    1

    Related NAICS Codes

    • 42, Wholesale Trade→
    • 423, Merchant Wholesalers, Durable Goods →
    • 4231, Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers →
    • 42311, Automobile and Other Motor Vehicle Merchant Wholesalers →
    • 423110, Automobile and Other Motor Vehicle Merchant Wholesalers →
    • 42312, Motor Vehicle Supplies and New Parts Merchant Wholesalers →
    • 423120, Motor Vehicle Supplies and New Parts Merchant Wholesalers →
    • 42313, Tire and Tube Merchant Wholesalers →
    • 423130, Tire and Tube Merchant Wholesalers →
    • 42314, Motor Vehicle Parts (Used) Merchant Wholesalers →

    Explore

    • 4237 Definition→
    • Browse NAICS Codes→
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    About NAICS 4237

    This industry comprises establishments primarily engaged in the merchant wholesale distribution of hardware, plumbing, heating, and air-conditioning equipment and supplies. These businesses sell products to retailers, contractors, and other commercial users.

    Read the full NAICS definition →