NAICS 491110: Postal Service
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. Cross-References. Establishments primarily engaged in--Show more
NAICS 491110 – Postal Service encompasses the operation and support of mail and package delivery systems, including sorting, transportation, routing, and distribution of postal matter under the authority of the United States Postal Service. While primarily associated with the USPS itself, this NAICS code also covers contracted services that enable postal infrastructure, such as logistics support, fleet maintenance, mail processing automation, secure document handling, and last-mile delivery solutions.
Industry Spending Overview
Federal obligations, top contractors and agencies, and related industry codes for NAICS 491110.
AI Industry Description
NAICS 491110 – Postal Service encompasses the operation and support of mail and package delivery systems, including sorting, transportation, routing, and distribution of postal matter under the authority of the United States Postal Service. While primarily associated with the USPS itself, this NAICS...
NAICS 491110 – Postal Service encompasses the operation and support of mail and package delivery systems, including sorting, transportation, routing, and distribution of postal matter under the authority of the United States Postal Service. While primarily associated with the USPS itself, this NAICS code also covers contracted services that enable postal infrastructure, such as logistics support, fleet maintenance, mail processing automation, secure document handling, and last-mile delivery solutions. In the federal contracting landscape, this code represents a specialized niche where operational continuity, regulatory compliance, and nationwide reach are critical. Contractors in this space often provide mission-critical support to ensure the reliable movement of sensitive and non-sensitive mail across federal agencies, including classified and diplomatic correspondence. Top contractors in this sector include D2 GOVERNMENT SOLUTIONS, INC., a small business specializing in logistics and postal support services for federal clients. The competitive landscape is dominated by firms with expertise in government logistics, supply chain management, and secure transportation, with a strong presence of small businesses and service-oriented primes leveraging specialized certifications. Primary awarding agencies include the U.S. Postal Service, the Department of State, and the Department of Defense. These agencies rely on postal services for secure mail distribution, diplomatic pouch transport, veteran correspondence, and military personnel mail systems. Demand is driven by the need for reliable, auditable, and secure mail handling across domestic and international operations. The market is characterized by steady, recurring demand with low volatility, as postal operations are essential to federal continuity. Opportunities exist for contractors with experience in federal logistics, automated mail systems, and compliance with postal regulations such as USPS Handbook M-41. Contracting is highly relationship-driven, with incumbency and proven performance in secure mail environments providing significant advantages.
Top Contractors
Companies with the highest total award value under NAICS 491110, ranked by dollars won.
| Company | Total Awards | Contracts |
|---|---|---|
| KOREA CONTAINER POOL CO.,LTD | $9.0M | 2 |
| VERSABILITY RESOURCES, INC. | $4.9M | 13 |
| DHL INTERNATIONAL B.S.C. | $1.8M | 1 |
| SERVICESOURCE INC | $788K | 2 |
| PITNEY BOWES INC. | $537K | 3 |
| MISSISSIPPI GOODWORKS INC | $519K | 1 |
| UNITED STATES POSTAL SERVICE | $360K | 1 |
| MISCELLANEOUS FOREIGN AWARDEES | $322K | 23 |
| GOODWILL INDUSTRIES OF THE CHESAPEAKE, INC | $307K | 1 |
| THE PITNEY BOWES BANK, INC. | $263K | 10 |
Top Agencies
Federal agencies directing the most contract spending toward NAICS 491110.
Competition
How many companies historically bid on federal awards in NAICS 491110, from bidder counts reported on USAspending.
Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 6,071 reported awards
Median Bidders
1
Per reported award, all-time
Single-Bid Awards
90%
Share of reported awards with one bidder
10+ Bidder Awards
1%
Share of reported awards with 10+ bidders
Reported Awards
87% of 6,947 total awards
How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.
| Industry Family | Competition | Median Bidders | Single-Bid | Bidder Mix | Reported Awards |
|---|---|---|---|---|---|
491110This Code Postal Service | Usually Single-Bid | 1 | 90% | 6,07187% of 6,947 | |
49111NAICS Industry | Usually Single-Bid | 1 | 90% | 6,07187% of 6,947 | |
4911Industry Group Postal Service | Usually Single-Bid | 1 | 90% | 6,07187% of 6,947 | |
491Subsector | Usually Single-Bid | 1 | 90% | 6,07187% of 6,947 | |
49Sector Transportation and Warehousing | Moderate Competition | 4 | 17% | 252,94141% of 619,131 |
Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.
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Industries similar to Postal Service, by shared sector, subsector, and industry group.
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