Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, October 14 at 2:00 PM ET

Register Free →
CLEATUS
Get CLEATUS
← Back to NAICS Codes
NAICS Code· 421720

NAICS 421720: Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers

1
Active Contracts
$780
Total Obligations (12mo)
1
Awarded Contracts (12mo)
1
Contractors Awarded (12mo)
2
Median Bidders per Award
+100.0%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 421720.

Top Contractors

Companies with the highest total award value under NAICS 421720, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
EQUIPMENT PARTS SALES$7801

Top Agencies

Federal agencies directing the most contract spending toward NAICS 421720.

Department Of Defense1 award$780

Competition

How many companies historically bid on federal awards in NAICS 421720, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 180 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

34%

Share of reported awards with one bidder

10+ Bidder Awards

8%

Share of reported awards with 10+ bidders

Reported Awards

180

80% of 226 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
421720This Code
Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers
Fewer Bidders234%
18080% of 226
42172NAICS Industry
Fewer Bidders234%
18080% of 226
4217Industry Group
Fewer Bidders232%
1,97593% of 2,130
421Subsector
Fewer Bidders242%
89,49989% of 100,378
42Sector
Wholesale Trade
Moderate Competition318%
7,852,24141% of 19,092,105

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers, by shared sector, subsector, and industry group.

Automobile and Other Motor Vehicle Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of n...
423110Same SectorMedium Similarity

Motor Vehicle Supplies and New Parts Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of m...
423120Same SectorMedium Similarity

Tire and Tube Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of n...
423130Same SectorMedium Similarity

Motor Vehicle Parts (Used) Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of u...
423140Same SectorMedium Similarity

Furniture Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of f...
423210Same SectorMedium Similarity

Home Furnishing Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of h...
423220Same SectorMedium Similarity

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of l...
423310Same SectorMedium Similarity

Brick, Stone, and Related Construction Material Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of s...
423320Same SectorMedium Similarity

Explore contracts across multiple NAICS codes Browse all NAICS Codes

Dotted
NAICS 421720 FAQ

Frequently Asked Questions

NAICS code 421720 stands for Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers. It is a North American Industry Classification System code used by the federal government to classify business activity for procurement and contracting purposes.

Recently Posted in Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers

NAICS: 421720
DIBBS
HEATING ELEMENT, ELECTR
Solicitation # SPE8E8-26-T-5803
Solicitation SPE8E8-26-T-5803, issued by DLA Troop Support, Construction and Equipment, is a request for quotations for one electrical nonimmersion heating element, identified by NSN 4520-01-377-9006. The requirement is for a quantity of one unit to be delivered FOB Destination to the USNS Bowditch (T AGS 62) at FPO AP 96661. Delivery is required within five days after order, with an original required delivery date of September 28, 2026. Quotations must be submitted via the DLA Internet Bid Board System (DIBBS) by October 13, 2026. The contract mandates strict adherence to MIL-STD-2073-1E for packaging and MIL-STD-129 for marking. Technical and quality requirements are governed by the DLA Master List, and the contractor must comply with material restrictions including the prohibition of hexavalent chromium and the intentional addition of mercury. Inspection and acceptance will occur at the destination. Administrative requirements include the use of the Wide Area WorkFlow (WAWF) system for invoicing and payment, as well as compliance with DFARS 252.204-7012 regarding the safeguarding of covered defense information and cyber incident reporting.
Defense Logistics Agency

POSTED

12 days ago

DEADLINE

in about 4 hours
View Details
NAICS: 421720
Closed
DIBBS
HEATING ELEMENT ELE
Solicitation # SPE8E8-26-T-5564
Contract SPE8E8-26-T-5564 is a solicitation issued by the Defense Logistics Agency for the procurement of one electrical heating element, identified by NSN 4540014001237. The requirement specifies compatible part numbers H235A040-1 from Telephonics Corp or HK14038 from Minco Products Inc. The item is to be delivered within 20 days after the order is received, with shipping terms set as FOB Origin and inspection and acceptance occurring at the destination. The contract adheres to strict technical and quality standards, including DLA packaging requirements RP001, MIL-STD-2073-1E for packaging data, and MIL-STD-129 for marking. Delivery is directed to the US Army Logistics Readiness Center in Hawaii, with additional freight shipping coordination through the 9th MSC in Subic Bay, Philippines. This automated simplified acquisition is governed by the DLA Master Solicitation Revision 105 and requires compliance with specific documentation for source approval and the removal of government identification from non-accepted supplies.
Defense Logistics Agency

POSTED

about 1 month ago

CLOSED

22 days ago
View Details
NAICS: 421720
Closed
DIBBS
HEATING ELEMENT, ELECTR
Solicitation # SPE8E8-26-T-5417
Contract SPE8E8-26-T-5417 is a solicitation issued by the Department of Defense for the procurement of 28 electrical non-immersion heating elements, identified by NSN 4520-00-545-3512 and Bunn-O-Matic Corporation part number 1161. The contract specifies a delivery timeframe of 167 days after order, with a required delivery date of February 24, 2027, and a need ship date of March 1, 2027. Shipping is designated as FOB Origin, with the destination and inspection point located at the DLA Distribution DDSP New Cumberland Facility in Pennsylvania. The agreement incorporates strict technical and quality requirements, including DLA packaging standards under RP001 and marking guidelines per MIL-STD-129. A critical environmental restriction prohibits the intentional addition of mercury or mercury-containing compounds to the hardware, except for specific functional exceptions defined by NAVSEA. The procurement is managed under NAICS code 421720 and requires adherence to the DLA Master List of Technical and Quality Requirements.
DDSP NEW CUMBERLAND FACILITY

POSTED

about 1 month ago

CLOSED

29 days ago
View Details
NAICS: 421720
Closed
DIBBS
TANK, HEATER, IMMERSI
Solicitation # SPE8E8-26-T-5399
Solicitation SPE8E8-26-T-5399 is a request for quotations issued by the Defense Logistics Agency Troop Support for the procurement of two immersion heater tanks, specifically an assembly type mounting used on the M-67 immersion heater. The hardware is identified by NSN 4540005558529 and part piece number 5-13-2685. The requirement includes specific technical exceptions to basic drawings, requiring a strap assembly mount per drawing CS4540-0008 and the replacement of several outdated standards with ASTM B633, MIL-STD-1183, and ANSI A2.4. The contractor must certify their understanding of bare item markings, which require specification numbers, revision letters, type, and class to be marked every three feet in accordance with MIL-STD-190. The contract mandates a delivery lead time of 20 days with shipping terms as FOB Origin and a delivery destination at Fort Benning, Georgia. Quality assurance is governed by MIL-STD-1916 or ASQ H1331, with destination inspection and acceptance. Packaging must comply with ASTM D3951 and DLA packaging requirements RP001, while labeling must follow MIL-STD-129. Key administrative requirements include the use of the Wide Area Workflow system for invoicing and a CMMC Level 2 self-assessment. The solicitation provides a price evaluation preference for certified HUBZone small businesses and prohibits the use of class I ozone-depleting chemicals and unauthorized additive manufacturing processes.
Defense Logistics Agency

POSTED

about 1 month ago

CLOSED

29 days ago
View Details
NAICS: 421720
Closed
DIBBS
HEATING ELEMENT, ELE
Solicitation # SPE8E8-26-T-5347
This contract is for the procurement of two electrical heating elements, identified by NSN 4520-01-261-6547 and SPX Corporation part number H2-97-8-3/4. The order is issued by the Defense Logistics Agency under solicitation number SPE8E8-26-T-5347 with a required delivery date of January 27, 2026. Delivery is required within 20 days after the order is placed, with shipping terms set as FOB Origin and inspection and acceptance occurring at the destination. The items must be delivered to the 162 FW LRS in Tucson, Arizona, using traceable shipping methods rather than parcel post. Packaging must comply with ASTM D3951 and MIL-STD-129, while palletization must adhere to DLA packaging requirements RP001. The contract incorporates specific technical and quality requirements from the DLA Master List and includes provisions regarding the removal of government identification from non-accepted supplies and the handling of covered defense information.
Defense Logistics Agency

POSTED

about 1 month ago

CLOSED

about 1 month ago
View Details
NAICS: 421720
Closed
DIBBS
HEATING ELEMENT, ELE
Solicitation # SPE8E8-26-T-5146
Solicitation SPE8E8-26-T-5146 is a procurement action by the Defense Logistics Agency for one non-immersion electrical heating element, identified by NSN 4520013285729. The contract requires delivery to the USS MCFAUL DDG74 at FPO AE 09578, with a delivery window of 20 days after the delivery order and a required delivery date of August 10, 2026. The shipment is designated as FOB Destination, meaning the contractor is responsible for all transportation costs and risks until the item is accepted at the destination. Technical and quality compliance is governed by the DLA Master List of Technical and Quality Requirements, with specific mandates for packaging and marking under MIL-STD-2073-1E and MIL-STD-129. A critical environmental requirement prohibits the intentional addition of mercury or mercury-containing compounds, per NAVSEA 5100-003D, except in specific functional cases. The contractor must also adhere to DFARS safeguarding requirements for covered defense information and cyber incident reporting. Invoicing and payment must be processed electronically through the Wide Area WorkFlow system.
Defense Logistics Agency

POSTED

2 months ago

CLOSED

about 2 months ago
View Details
NAICS: 421720
Closed
DIBBS
FLUSHING UNIT, TOILE
Solicitation # SPE8E8-26-T-4925
Solicitation SPE8E8-26-T-4925, issued by the Defense Logistics Agency on July 31, 2026, is for the procurement of two toilet flushing units under NSN 4510-00-464-3184. The requirement specifies a delivery timeframe of 20 days after receipt of order with shipping terms set as FOB Destination. Delivery is directed to Air France Industries in Roissy, France. The procurement incorporates technical and quality requirements RA001 and mandates adherence to MIL-STD-2073-1E for packaging and MIL-STD-129 for marking. Inspection and acceptance are both designated to occur at the point of origin. The solicitation is managed through the DLA Internet Bid Board System with a response deadline of August 10, 2026. Offerors must provide a complete data package for any alternate parts proposed. Administrative requirements include electronic invoicing via the Wide Area Workflow system and compliance with various FAR and DFARS clauses, including those regarding cyber incident reporting, safeguarding covered defense information, and the prohibition of hexavalent chromium. The award process utilizes the HUBZone price evaluation preference.
Defense Logistics Agency

POSTED

2 months ago

CLOSED

2 months ago
View Details
NAICS: 421720
Closed
DIBBS
Supply of Lavatory Riser Tube (Commercial Item)The contract entails the procurement and delivery of two commercial off-the-shelf lavatory riser tubes identified by NSN 4510-01-124-7811 and part number 1-12A-CP, specifically for maintenance purposes at a military facility. These items are classified as commercial items and fall under NAICS code 421720, indicating the procurement is tied to wholesale trade of plumbing and heating equipment. The contract is structured as a subcontract and was posted on July 30, 2026, with a response deadline of August 10, 2026, requiring timely submission of proposals from interested suppliers. The ordering agency is the Defense Logistics Agency under the Department of Defense, and while specific performance location details are not provided, the delivery is intended to support military infrastructure maintenance operations. The solicitation is accessible through the DIBBS system via the provided web link, and no set-aside provisions or special socioeconomic requirements are indicated, meaning the opportunity is open to all qualified vendors.
Defense Logistics Agency

POSTED

2 months ago

CLOSED

2 months ago
View Details
NAICS: 421720
Closed
DIBBS
RISER, TUBE, LAVATORY
Solicitation # SPE8E8-26-T-4922
The contract involves the procurement of two units of a lavatory riser tube, part number 1-12A-CP, manufactured by Brass Craft Mfg Co, a subsidiary of Masco Corp with CAGE code 14679, under the NSN 4510-01-124-7811. The total contract value is $2.00, with delivery required within 20 days after award to the AWCF SSF GUAM STORAGE FACILITY in Barrigada, GU, under FOB Origin terms. The solicitation number is SPE8E8-26-T-4922, issued by the Defense Logistics Agency on July 30, 2026, with responses due by August 10, 2026. The item falls under NAICS code 421720 and is subject to simplified acquisition procedures. Technical and quality requirements are governed by the DLA Master List of Technical and Quality Requirements, referenced via RP001, and compliance with MIL-STD-2073-1E for packaging and MIL-STD-129 for marking and barcoding is mandatory. Preservation must follow Method 10 (CLNG/DRY), with no preservation or cushioning materials required, and outer packaging must be box-type (BV) with open OPI labeling. Hazard communication standards under 29 CFR 1910.1200 apply, and all materials must be labeled appropriately for hazardous substances. The contract incorporates numerous FAR and DFARS clauses, including those for small business representation, employment eligibility verification, combating trafficking in persons, sustainable products, safeguarding covered defense information, prohibition of hexavalent chromium, and restrictions on procurement from Communist Chinese military companies. Alternate clauses are active for contract type, equal opportunity for workers with disabilities, and authorization and consent. The inspection and acceptance are to occur at the destination by the Government, with the contractor responsible for pre-delivery inspection. Payment is to be processed through Wide Area WorkFlow (WAWF), and the contractor must provide a Unique Entity Identifier and CAGE code. No evaluation factors or weighting criteria are explicitly outlined, but the structure and minimal pricing suggest a Lowest Price Technically Acceptable award methodology. The contract includes no modifications or options, and no attachments are listed.
Defense Logistics Agency

POSTED

2 months ago

CLOSED

2 months ago
View Details
NAICS: 421720
Closed
DIBBS
HEATING ELEMENT, ELE
Solicitation # SPE8E8-26-T-4496
Defense Logistics Agency

POSTED

4 months ago

CLOSED

3 months ago
View Details

Win Contracts in Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers

Get AI-powered intelligence on NAICS 421720 procurement

Real-time contract opportunities for NAICS 421720 (Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers)

AI-powered matching based on your business capabilities and past performance

Competitive analysis of contractors winning awards in this industry

Automated alerts when new opportunities are posted

Miguel
Hillary
Keith Deutsch
Christine

Join 750+ contractors already using CLEATUS