Private Mail Centers — NAICS 561431
Browse federal contract opportunities classified under NAICS code 561431 (Private Mail Centers). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 561431
Private Mail Centers. This industry falls under the Administrative and Support and Waste Management sector (NAICS codes beginning with 56).
Federal agencies use NAICS code 561431 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the private mail centers space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 561431 in Federal Contracting
To compete for federal contracts under NAICS 561431, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for private mail centers work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 561431. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 561431 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the private mail centers market has seen 152 contract awards totaling $34.4M in value. The median contract size is $46K, with approximately 4 new awards per month.
Total Awards (3yr)
152
Total Value
$34.4M
Median Contract
$46K
Competitors
26
Contract value distribution
35 small business awards ($21.7M total value,$497K median)
26 companies compete for NAICS 561431 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 561431 (Private Mail Centers), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 561431.
Recent NAICS 561431 Opportunities
View all →The Administrative Office of the U.S. Courts is procuring outsourcing services for jury mailings to support federal court operations, requiring reliable, secure, and timely postal distribution of juror notices and related materials across all federal districts.
Frequently Asked Questions
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Set up your profile with your NAICS codes and certifications, and FedOverwatch will automatically match you with relevant private mail centers opportunities as they're posted on SAM.gov.