Private Mail Centers

📘 Source: U.S. Census Bureau — 2022 NAICS Manual

This U.S. industry comprises (1) establishments primarily engaged in providing mailbox rental and other postal and mailing (except direct mail advertising) services or (2) establishments engaged in providing these mailing services along with one or more other office support services, such as facsimile services, word processing services, on-site PC rental services, and office product sales.

NAICS code 561431 — Private Mail Centers — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Business Support Services space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $19M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 561431.

What is NAICS code 561431?

NAICS code 561431 is 'Private Mail Centers', classified under the Administrative and Support and Waste Management and Remediation Services sector (NAICS 56). This U.S. industry comprises (1) establishments primarily engaged in providing mailbox rental and other postal and mailing (except direct mail advertising) services or (2) establishments engaged in pr

What is the SBA small business size standard for NAICS code 561431?

The SBA defines a small business under NAICS code 561431 (Private Mail Centers) as one with $19M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 561431 in SAM.gov?

To register NAICS code 561431 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 561431 (Private Mail Centers) to your NAICS code list. You may designate one code as your Primary NAICS code.