NAICS Industry Group 4237: Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers
Industry group
Definition
This industry group comprises establishments primarily engaged in the merchant wholesale distribution of hardware; plumbing and heating equipment and supplies (hydronics); warm air heating and air-conditioning equipment and supplies; and refrigeration equipment and supplies.
Government contracts for this product: PSC 5120 Hand Tools, Nonedged, Nonpowered
Code facts
- Part of
-
-
42
- 423
-
42
- Codes under it
- 4
- Contract awards
- 68,536 In the last 12 months
- Contract obligations
- $49,737,546 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $2,339,400 |
| FY2026 | $53,476,564 |
| FY2025 | $49,737,546 |
| FY2024 | $58,941,618 |
| FY2023 | $47,895,114 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Wright Tool Company, LLC | $49,392,934 | |
| 2 | R.m. Waite Co., LLC | $845,370 | |
| 3 | AUI Korea | $356,668 | |
| 4 | Supply King Usa, LLC | $305,864 | |
| 5 | Supplyforce.com, LLC | $241,336 | |
| 6 | MSC Industrial Direct Co., Inc. | $223,915 | |
| 7 | Windward Enterprises, LLC | $223,756 | |
| 8 | Ferguson Enterprises LLC | $214,065 | |
| 9 | Kijero, LLC | $197,282 | |
| 10 | Argo Turboserve Corporation | $182,525 |
See the full FY2025 ranking of NAICS 4237 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | General Services Administration | $50,601,704 | |
| 2 | Department of Justice | $2,344,182 | |
| 3 | Defense Logistics Agency | $704,670 | |
| 4 | Department of Homeland Security | $626,936 | |
| 5 | Department of State | $571,643 | |
| 6 | Department of the Army | $486,268 | |
| 7 | Department of the Navy | $134,007 | |
| 8 | Air Force | $88,294 | |
| 9 | Department of Transportation | $68,649 | |
| 10 | Smithsonian Institution | $58,355 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 5120 Hand Tools, Nonedged, Nonpowered | $46,655,317 | |
| 2 | 5340 Hardware | $3,761,227 | |
| 3 | 5110 Hand Tools, Edged, Nonpowered | $845,413 | |
| 4 | 4520 Space and Water Heating Equipment | $738,046 | |
| 5 | 4510 Plumbing Fixtures and Accessories | $547,318 | |
| 6 | 4110 Refrigeration Equipment | $439,879 | |
| 7 | 5915 Filters and Networks | $356,668 | |
| 8 | 4130 Refrigeration and Air Conditioning Components | $228,416 | |
| 9 | 4120 Air Conditioning Equipment | $227,025 | |
| 10 | 4420 Heat Exchangers and Steam Condensers | $182,525 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Michigan | $47,096,767 | |
| 2 | California | $1,136,599 | |
| 3 | New York | $990,126 | |
| 4 | Virginia | $589,312 | |
| 5 | Pennsylvania | $577,663 | |
| 6 | Maryland | $204,511 | |
| 7 | South Carolina | $204,256 | |
| 8 | Illinois | $202,935 | |
| 9 | District of Columbia | $177,430 | |
| 10 | Indiana | $134,576 | |
| 11 | Arizona | $123,158 | |
| 12 | Minnesota | $117,731 | |
| 13 | Georgia | $114,961 | |
| 14 | Texas | $111,949 | |
| 15 | Ohio | $108,268 | |
| 16 | Oklahoma | $93,406 | |
| 17 | Massachusetts | $90,267 | |
| 18 | Florida | $80,399 | |
| 19 | Wyoming | $61,294 | |
| 20 | Hawaii | $56,275 | |
| 21 | Washington | $48,757 | |
| 22 | Connecticut | $42,966 | |
| 23 | North Carolina | $41,997 | |
| 24 | Nebraska | $40,000 | |
| 25 | Kentucky | $34,065 | |
| 26 | West Virginia | $33,635 | |
| 27 | Iowa | $28,468 | |
| 28 | Missouri | $24,862 | |
| 29 | Mississippi | $19,407 | |
| 30 | Alabama | $12,935 | |
| 31 | Louisiana | $8,662 | |
| 32 | Wisconsin | $2,209 |
Show all 32
Shares are of everything obligated under NAICS 4237 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 2,273 listed here. See the rest on GovTribe.
Codes under 4237
Quick answers
What is NAICS 4237?
NAICS 4237 is Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers, an industry group in NAICS 42, Wholesale Trade.
What codes are under NAICS 4237?
NAICS 4237 has 4 codes under it with their own GovTribe pages, including 42371 Hardware Merchant Wholesalers, 42372 Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers and 42373 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers.
How much do federal agencies spend under NAICS 4237?
Federal contracts under NAICS 4237 obligated $49,737,546 in fiscal year 2025 and $212,390,243 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 4237?
The contractors with the most obligated under NAICS 4237 in fiscal years 2026 and 2027 are Wright Tool Company, LLC ($49,392,934); R.m. Waite Co., LLC ($845,370); and AUI Korea ($356,668).
Which agencies buy the most under NAICS 4237?
The agencies that obligated the most under NAICS 4237 in fiscal years 2026 and 2027 are General Services Administration ($50,601,704), Department of Justice ($2,344,182) and Defense Logistics Agency ($704,670).
Which PSC codes are used with NAICS 4237?
The PSC codes with the most obligated under NAICS 4237 in fiscal years 2026 and 2027 are 5120 Hand Tools, Nonedged, Nonpowered; 5340 Hardware; and 5110 Hand Tools, Edged, Nonpowered.
Where is the work under NAICS 4237 performed?
By place of performance, the states with the most contract obligations under NAICS 4237 over the last 12 months are Michigan ($47,096,767), California ($1,136,599) and New York ($990,126).
What is the latest contract opportunity under NAICS 4237?
The latest contract opportunity under NAICS 4237 is Repair and Maintenance Materials for U. S. Embassy Madrid, Spain, pre-solicitation from US Embassy Madrid (DOS), posted September 4, 2026.
On GovTribe
See everything under NAICS 4237
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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