541820 — Public Relations Agencies
Description
This industry comprises establishments primarily engaged in designing and implementing public relations campaigns. These campaigns are designed to promote the interests and image of their clients. Establishments providing lobbying, political consulting, or public relations consulting are included in this industry (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 8743 - Public Relations Services (via SIC1987:8743→NAICS1997:54182→2002:541820→2007:541820→2012:541820→2017:541820→2022:541820)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC R701 — Advertising Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 541820 valid in 2022? ▾
Yes, 541820 is a valid 6-digit 2022 NAICS national industry code representing 'Public Relations Agencies' under Sector 54 in the official classification index.
What is the SBA size standard for NAICS code 541820? ▾
The Small Business Administration (SBA) has established a small business size standard of $19,000,000 for NAICS code 541820 (Public Relations Agencies), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 541820? ▾
According to official Census Bureau concordance tables, NAICS code 541820 (Public Relations Agencies) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 8743 - Public Relations Services.
Related Pages & Tools
Further regulatory reference links for NAICS code 541820:
- Sector 54 Directory Hub — List of related industries in the Professional, Scientific, and Technical Services sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 541820 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Public Relations Agencies).
- IRS PBA Code for Marketing — Principal Business Activity tax reporting details.
- IRS PBA Code for Public Relations — Principal Business Activity tax reporting details.
- Compare NAICS 541810 vs 541820 — Industrial classification comparison rules (Public Relations Agencies vs Advertising Agencies).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.