Skip to main content
Holdings
238220

Plumbing, Heating, and Air-Conditioning Contractors

Sector: 23 — Construction

Where You'll Use NAICS 238220

Business Registration

State LLC/Corp filings often ask for your primary NAICS code.

Tax Returns

IRS Schedule C and business tax returns use NAICS for industry classification.

SBA Loans

Small Business Administration uses NAICS to determine size standards and loan eligibility.

Government Contracts

Federal and state contracts are classified by NAICS code. Required for SAM.gov registration.

Related NAICS Codes

236220 Commercial and Institutional Building Construction

Related Resources

GuideStart a Business — State Registration GuideGlossarySBA Loans (NAICS Required)GlossaryGet an EIN for Your BusinessFeesCompare Business Bank Accounts

Need a business bank account?

Holdings: banking, bookkeeping, and ops for your plumbing, heating, and air-conditioning contractors business.

Get Started →