What is NAICS code 541820?

NAICS 541820 is the industry "Public Relations Agencies" in the North American Industry Classification System, part of the Professional, Scientific, and Technical Services sector (54).

What is the size standard for NAICS 541820?

The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 541820 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 541820: Public Relations Agencies

NAICS code 541820 is the industry for public relations agencies in the Professional, Scientific, and Technical Services sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.

Government contracts under NAICS 541820

Federal agencies obligated $535M on contracts under NAICS 541820 from FY2024 to FY2026, including $247M in FY2026. The biggest buyers were the Department of Homeland Security, the National Aeronautics and Space Administration, the Department of Health and Human Services. The largest contractors were Marcom Group, Inc, Pci Productions LLC, Ketchum Inc..

See the full breakdown: government public relations agencies contracts, who wins and who buys.

Open government bids for NAICS 541820

The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.

United States Patent and Trademark Office (USPTO) Public Awareness campaign strategy on the dangers of counterfeit substances or devices
Commerce, Department of · Sources Sought · NAICS 541820
Posted Oct 29, 2026 · Responses due Nov 16, 2026

See all 1 open bids under NAICS 541820

Small business size standard for NAICS 541820

To bid on small business set-aside contracts under NAICS 541820, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.

Other NAICS codes in 5418

How to choose the right NAICS code

Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.

Related guides

Frequently asked questions

What is NAICS code 541820?: NAICS 541820 is the industry "Public Relations Agencies" in the North American Industry Classification System, part of the Professional, Scientific, and Technical Services sector (54).
What is the size standard for NAICS 541820?: The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 541820 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 541820?: Yes. Federal agencies obligated $535M on contracts under NAICS 541820 from FY2024 to FY2026, and 1 notices are open right now.