NAICS Demand Lane

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

    464 total opportunities (464 active) tied to NAICS 4237 across federal, state, local, and forecast sources.
    NAICS 4237Federal + SLED464 total
    Total Opportunities
    464
    Across all indexed sources
    Active Estimate
    464
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 4237.

    AI Summary

    The Department of Defense is seeking bids for a two and a half ton environmental control unit. This opportunity is classified under NAICS code 423730 and is not subject to Simplified Acquisition Procedures. Interested parties should prepare to respond to the combined synopsis/solicitation by the specified deadline.

    NY

    Posted Jul 9, 2026Due Jul 20, 2026Combined Synopsis/SolicitationNAICS 423730Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U3650
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    AI Summary

    The U.S. Consulate General in Hermosillo is seeking qualified distributors to provide HVAC air filters with specific MERV ratings and dimensions. Proposals must include technical specifications and be submitted by July 23, 2026. Delivery options vary for Mexican and U.S. vendors, and all bidders must be registered in S…

    DC

    Posted Jul 9, 2026Due Jul 23, 2026SolicitationNAICS 423730No Set aside usedSol: PR16091832
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    AI Summary

    The Department of Defense, through the Defense Logistics Agency, is seeking proposals for a walk-in freezer and chiller for DLA Distribution in San Diego, CA. This opportunity includes an amendment providing additional specifications and technical information. Interested bidders should review the combined synopsis/soli…

    PA

    Posted Jun 30, 2026Due Jul 6, 2026Combined Synopsis/SolicitationNAICS 423740Total Small Business Set-Aside (FAR 19.5)Sol: SP3300-26-Q-0199
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    AI Summary

    The 35th Contracting Squadron is preparing to solicit 26 ELKHART Brass Chief XD Nozzles, which must meet specific requirements including flow rate, pressure, and custom laser etching. This pre-solicitation notice is not a request for quotation and is intended for suppliers to prepare for the upcoming solicitation.

    AP

    Posted Jun 22, 2026Due Jul 9, 2026PresolicitationNAICS 423710Sol: FA520526QB099
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    AI Summary

    The United States Coast Guard requires 16 heating elements, individually packaged according to specific military standards. The items must meet detailed packaging requirements, including waterproof materials and desiccant inclusion. This opportunity is set aside for small businesses and follows simplified acquisition p…

    CA

    Posted Jun 15, 2026Due Jun 20, 2026Combined Synopsis/SolicitationNAICS 423720Total Small Business Set-Aside (FAR 19.5)Sol: 70Z08526Q40032B00
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    AI Summary

    The opportunity involves a contract for a brine transfer skid awarded to Hausers Water Systems for $36,175. This acquisition falls under NAICS code 423720 and was a total small business set-aside. The award was made under FAR guidelines, indicating that only one responsible source could meet the agency's requirements.

    IL

    Posted Jun 9, 2026JustificationNAICS 423720Sol: 15B41126P00000123
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    AI Summary

    The United States Coast Guard is seeking quotations for five refrigeration condensers, specifically part number 90C02-9212-32 from Carrier Transicold Co. Delivery is required by July 30, 2026, to the USCG Surface Forces Logistics Center in Baltimore, MD. This opportunity is set aside for small businesses and follows si…

    VA

    Posted Jun 4, 2026Due Jun 8, 2026Combined Synopsis/SolicitationNAICS 423740Sol: 70Z08026QAF037
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    AI Summary

    The IRS is conducting a Sources Sought Notice to identify vendors capable of providing re-key locks for the Houston North IRS Building. Interested parties should submit capability statements detailing their qualifications and relevant information by May 28, 2026. This notice is for planning purposes only and does not c…

    MD

    Posted May 20, 2026Due May 28, 2026Sources SoughtNAICS 423710Total Small Business Set-Aside (FAR 19.5)Sol: 5000228026
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    AI Summary

    The Federal Bureau of Prisons is soliciting offers to replace CW/HW coils in the Food Service at FCI Atlanta. The requirement is for brand name or equal to Trane specifications. Offers are due by May 22, 2026, and must be submitted via email. Delivery is required by June 30, 2026.

    GA

    Posted May 19, 2026Due May 22, 2026Combined Synopsis/SolicitationNAICS 423720No Set aside usedSol: 15B30126Q00000008
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    AI Summary

    The 460th Civil Engineering Squadron requires thirteen commercial portable air conditioning units, ceiling tile replacement kits, and spare ducting hoses for cooling electrical equipment in closed rooms. This opportunity is a combined synopsis/solicitation under NAICS code 423730. Interested vendors should review the p…

    CO

    Posted May 13, 2026Due May 15, 2026Combined Synopsis/SolicitationNAICS 423730Total Small Business Set-Aside (FAR 19.5)Sol: FA254326Q0006
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    291
    sled
    172
    forecast
    1

    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 →

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