SBA Standard NAICS 423720 USA

SBA Size Standard: NAICS 423720 Plumbing and Heating Equipment and Supplies (Hydronics) Merc — Small Business Threshold

Size Standard

200

SBA Description

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

Threshold from SBA Changes Receipts

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

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Official data

Feature	Description
Official name	SBA Table of Small Business Size Standards
Maintained by	U.S. Small Business Administration (SBA)
Purpose	Defines who qualifies as a small business under each NAICS code
Primary use	Set-aside contracts, SBA lending, certifications, and SAM.gov compliance
This threshold	200

1 Use this SBA standard when checking if your business qualifies as small under NAICS 423720.

2 Use it before bidding on federal set-aside contracts or certifying size status in SAM.gov.

3 Use it when reviewing whether growth in receipts or employees changes your eligibility.

4 Use it when comparing the industry code itself with the compliance threshold tied to that code.