NAICS 42374-digit industry group · NAICS 2022

NAICS Code 4237: Hardware and Plumbing Equipment Wholesalers

The NAICS code for Hardware and Plumbing Equipment Wholesalers is 4237.

Hardware and Plumbing Equipment Wholesalers distribute tools, fasteners, pipe, fittings, valves, plumbing fixtures, and heating equipment to hardware stores, plumbing contractors, and industrial customers. These distributors maintain broad in-depth inventory that serves the entire contractor and maintenance-repair-operations market.

Hardware and Plumbing Equipment Wholesalers falls under the NAICS code for NAICS 423 — Merchant Wholesalers, Durable Goods, a subsector of Wholesale Trade.

24,448

Total US Entities

NAICS Industries

4237

NAICS Code

Classification

NAICS Industries (5-digit)

NAICS Code	Industry Title	US Entities
42371	NAICS 42371 — Hardware Merchant Wholesalers	8,000
42372	NAICS 42372 — Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	10,000
42373	NAICS 42373 — Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers	6,448

NAICS 2022

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Other Industry Groups in Merchant Wholesalers, Durable Goods

NAICS 4231 — Motor Vehicle and Parts Merchant Wholesalers34,985 entities

NAICS 4232 — Furniture and Home Furnishing Wholesalers21,008 entities

NAICS 4233 — Lumber and Construction Materials Wholesalers37,885 entities

NAICS 4234 — Professional and Commercial Equipment Wholesalers63,510 entities

NAICS 4235 — Metal and Mineral Merchant Wholesalers14,003 entities

NAICS 4236 — Household Appliances and Electronics Wholesalers40,384 entities

NAICS 4238 — Machinery, Equipment, and Supplies Wholesalers108,927 entities

NAICS 4239 — Miscellaneous Durable Goods Wholesalers78,358 entities

Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.