NAICS 4237in423:Merchant Wholesalers, Durable Goods

Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers

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Top Industries

  • Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers7
  • Refrigeration Equipment and Supplies Merchant Wholesalers7
  • Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers4
  • Hardware Merchant Wholesalers1

Set-Aside Distribution

  • Small Business10
  • 9

Top Locations

  • PA5
  • FL3
  • MN3
  • OK2
  • CO1

About NAICS4237

The North American Industry Classification System (NAICS) code 4237 covers hardware, and plumbing and heating equipment and supplies merchant wholesalers. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

4231:Motor Vehicle and Motor Vehicl...4232:Furniture and Home Furnishing ...4233:Lumber and Other Construction ...4234:Professional and Commercial Eq...4235:Metal and Mineral (except Petr...4236:Household Appliances and Elect...

Area 5 South Kitchen Equipment

DEPT OF DEFENSE
LITTLE FALLS, MN
NAICS 423740
Posted Mar 23, 2026
Small Business

Buckley SFB - Portable Air Conditioning Equipment

DEPT OF DEFENSE
BUCKLEY AFB, CO
NAICS 423730
Posted Mar 23, 2026
Due Mar 31, 2026

45-SHC COMBUSTION BLOW

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 423730
Posted Mar 18, 2026

44-COOLER,FLUID,INDUST

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 423740
Posted Mar 18, 2026

45-HEATER,IMMERSION,LI

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 423720
Posted Mar 17, 2026

PLASTIC TAPE

DEPT OF DEFENSE
BREMERTON, WA
NAICS 423710
Posted Mar 12, 2026
Small Business

FY26 B&F FCI Gilmer Heating & Cooling Parts

JUSTICE, DEPARTMENT OF
GLENVILLE, WV
NAICS 423730
Posted Mar 6, 2026
Small Business

Reynolds Army Health Clinic (RAHC) - Dry Ice Machine Purchase, Fort Sill, OK

DEPT OF DEFENSE
FORT SILL, OK
NAICS 423740
Posted Feb 2, 2026
Small Business

45-SHC COMBUSTION BLOW

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 423730
Posted Nov 7, 2025

CES - Replace Heaters

DEPT OF DEFENSE
CHEYENNE, WY
NAICS 423730
Posted Sep 29, 2025
Small Business

BF project 24Z3AW5 Replace FS Warehouse Freezer

JUSTICE, DEPARTMENT OF
TALLAHASSEE, FL
NAICS 423740
Posted Sep 24, 2025

MNA Stainless Steel Sinks FY 2025

JUSTICE, DEPARTMENT OF
MARIANNA, FL
NAICS 423720
Posted Sep 18, 2025
Small Business

MNA Sink Faucets FY 2025

JUSTICE, DEPARTMENT OF
MARIANNA, FL
NAICS 423720
Posted Sep 16, 2025
Small Business

Kitchen Equipment

DEPT OF DEFENSE
LITTLE FALLS, MN
NAICS 423740
Posted Aug 8, 2025
Small Business

Reynolds Army Health Clinic - Dry Ice Machine Purchase, Fort Sill, OK

DEPT OF DEFENSE
FORT SILL, OK
NAICS 423740
Posted Aug 5, 2025
Small Business

45-CONTROL,FUEL FLOW,O

DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 423730
Posted Jul 25, 2025

Kitchen Equipment and Install

DEPT OF DEFENSE
LITTLE FALLS, MN
NAICS 423740
Posted May 29, 2025
Small Business

41-FILTER ELEMENT,AIR

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 423730
Posted May 15, 2025

Helo Hangar Fire Suppression Materials

GENERAL SERVICES ADMINISTRATION
FORT WORTH, TX
NAICS 423720
Posted Apr 2, 2025
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