There is no single size standard for NAICS 56143
NAICS 56143 (Business Service Centers) is a rollup of 2 more specific 6-digit codes, and the SBA sets a different size standard for each one under 13 CFR 121.201 (19-26.5 $M revenue across the group). Find your exact 6-digit code below to get the standard that actually applies to your business.
| NAICS code | Industry | SBA size standard |
|---|---|---|
| 561431 | Private Mail Centers | $19.0 million |
| 561439 | Other Business Service Centers (including Copy Shops) | $26.5 million |
Source: SBA Table of Small Business Size Standards, effective 2023-03-17 (sba.gov/document/support-table-size-standards, the actual linked PDF, not the HTML landing page); cross-checked against the live eCFR XML for 13 CFR 121.201 (ecfr.gov/api/versioner) and the GovInfo official CFR annual edition (Title 13, revised as of 2025-01-01), both fetched 2026-07-27. Every 23-group child set was also checked against the Census Bureau's official 2022 NAICS structure file (census.gov/naics/2022NAICS/2022_NAICS_Structure.xlsx) for completeness.
Corporate supplier diversity programs in this industry
Fortune 500 companies running supplier diversity programs that source from NAICS 56xx-related industries.
- ABM Industries Fortune 500
- Delta Air Lines Fortune 500
- Hilton Worldwide Fortune 500
- JPMorgan Chase Fortune 100
- Marriott International Fortune 500
- New York City Local Government
Competing for contracts under NAICS 56143.
The certification quiz checks which supplier diversity programs qualify your business under this NAICS code. Federal programs: 8(a), HUBZone, WOSB, SDVOSB. Corporate programs: NMSDC MBE, WBENC WBE, NGLCC LGBTBE. The result orders the matches by which buyers active in this industry accept each one.
NAICS code and title are from the U.S. Census Bureau North American Industry Classification System. SBA small-business size standards are from the U.S. Small Business Administration table of small business size standards. Corporate program data is editorial coverage by SupplierDiversity.com.