Postal Service

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

This industry comprises establishments primarily engaged in providing mail services under a universal service obligation. Mail services include the carriage of letters, printed matter, or mailable packages, including acceptance, collection, processing, and delivery. Due to the infrastructure requirements of providing mail service under a universal service obligation, postal service establishments often provide parcel and express delivery services in addition to the mail service. Establishments primarily engaged in performing one or more parts of the basic mail service, such as sorting, routing and/or delivery (except bulk transportation of mail) are included in this industry.

NAICS code 491110 — Postal Service — 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 Postal Service 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 $9M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 491110.

What is NAICS code 491110?

NAICS code 491110 is 'Postal Service', classified under the Transportation and Warehousing sector (NAICS 49). This industry comprises establishments primarily engaged in providing mail services under a universal service obligation. Mail services include the carriage of letters, printed matter, or mailable pa

What is the SBA small business size standard for NAICS code 491110?

The SBA defines a small business under NAICS code 491110 (Postal Service) as one with $9M 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 491110 in SAM.gov?

To register NAICS code 491110 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 491110 (Postal Service) to your NAICS code list. You may designate one code as your Primary NAICS code.