NAICS Code 4237 — Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers

Industry Group in the official 2022 North American Industry Classification System (U.S. Census Bureau). It contains 4 direct sub-codes.

Code	4237
Title	Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers
Level	Industry Group (4-digit)
Edition	NAICS 2022 edition

Official definition (2022 NAICS)

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.

Where 4237 sits in the hierarchy

Level	Code	Title
Sector	42	Wholesale Trade
Subsector	423	Merchant Wholesalers, Durable Goods
Industry Group	4237	Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers

Codes under 4237

Code	Title
42371	Hardware Merchant Wholesalers
42372	Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
42373	Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
42374	Refrigeration Equipment and Supplies Merchant Wholesalers

Related Industry Group codes

• 4231 — Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers
• 4232 — Furniture and Home Furnishing Merchant Wholesalers
• 4233 — Lumber and Other Construction Materials Merchant Wholesalers
• 4234 — Professional and Commercial Equipment and Supplies Merchant Wholesalers
• 4235 — Metal and Mineral (except Petroleum) Merchant Wholesalers
• 4236 — Household Appliances and Electrical and Electronic Goods Merchant Wholesalers
• 4238 — Machinery, Equipment, and Supplies Merchant Wholesalers
• 4239 — Miscellaneous Durable Goods Merchant Wholesalers

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.