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NAICS Code· 491110

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.

23
Active Contracts
$6.5M
Total Obligations (12mo)
50
Awarded Contracts (12mo)
14
Contractors Awarded (12mo)
1
Median Bidders per Award
-82.3%
YoY Growth

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.

Small Business Size Standard

The SBA threshold that decides who can bid NAICS 491110 work as a small business.

$9.0M
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Top Contractors

Companies with the highest total award value under NAICS 491110, ranked by dollars won.

Ranked by Total Awards
KOREA CONTAINER POOL CO.,LTD$2.7M
VERSABILITY RESOURCES, INC.$1.6M
SERVICESOURCE INC$788K
MISCELLANEOUS FOREIGN AWARDEES$425K
D2 GOVERNMENT SOLUTIONS, INC.$376K
THE PITNEY BOWES BANK, INC.$213K
GRACE EXECUTIVE MANAGEMENT LLC$150K
STARZZ MANAGEMENT SERVICES$118K
PITNEY BOWES INC.$70K
UNITED STATES POSTAL SERVICE$50K
Top 10 combined$6.4M46

Top Agencies

Federal agencies directing the most contract spending toward NAICS 491110.

Ranked by Total Awards
Department Of Defense$4.9M
Department Of Commerce$599K
Department Of State$481K
Department Of Health And Human Services$333K
Department Of Transportation$150K
Top 5 combined$6.5M50

Competition

How many companies historically bid on federal awards in NAICS 491110, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 6,076 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

6,076

87% of 6,955 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

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 FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
491110This Code
Postal Service
Usually Single-Bid190%
6,07687% of 6,955
49111NAICS Industry
Usually Single-Bid190%
6,07687% of 6,955
4911Industry Group
Postal Service
Usually Single-Bid190%
6,07687% of 6,955
491Subsector
Usually Single-Bid190%
6,07687% of 6,955
49Sector
Transportation and Warehousing
Moderate Competition417%
254,02040% of 640,015

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.

Related NAICS Codes

Industries similar to Postal Service, by shared sector, subsector, and industry group.

Couriers and Express Delivery Services

This industry comprises establishments primarily engaged in providing air, surface, or combined mode...
492110Same SectorMedium Similarity

Local Messengers and Local Delivery

This industry comprises establishments primarily engaged in providing local messenger and delivery s...
492210Same SectorMedium Similarity

General Warehousing and Storage

This industry comprises establishments primarily engaged in operating merchandise warehousing and st...
493110Same SectorMedium Similarity

Refrigerated Warehousing and Storage

This industry comprises establishments primarily engaged in operating refrigerated warehousing and s...
493120Same SectorMedium Similarity

Farm Product Warehousing and Storage

This industry comprises establishments primarily engaged in operating bulk farm product warehousing ...
493130Same SectorMedium Similarity

Other Warehousing and Storage

This industry comprises establishments primarily engaged in operating warehousing and storage facili...
493190Same SectorMedium Similarity

Explore contracts across multiple NAICS codes Browse all NAICS Codes

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NAICS 491110 FAQ

Frequently Asked Questions

NAICS code 491110 covers 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--

Recently Posted in Postal Service

NAICS: 491110
New
International
Post Office Branch - Lockwood
Solicitation # ocds-h6vhtk-0796d3
Post Office Limited is seeking a retailer to operate the Lockwood Post Office branch in West Yorkshire, either by purchasing the existing business or integrating a Post Office Local into a new or existing retail operation. The goal is to embed post office counter services into a sustainable business model where services are available during the retail store's opening hours, with the final layout and design to be mutually agreed upon. The estimated annual fees for the current location range from 8,000 to 14,000 pounds. This opportunity is noted as particularly suitable for small and medium-sized enterprises, as well as voluntary, community, and social enterprises. The selection process involves a two-stage evaluation, beginning with a mandatory pass/fail financial assessment of the applicant's business plan and finances. Candidates who pass this stage will then be evaluated based on their suitability to run a post office branch. The estimated period of performance is 50 years, spanning from January 17, 2027, to January 17, 2077. Interested parties must submit their applications in English by the deadline of November 17, 2026, via the official registration portal.
Post Office Limited

POSTED

1 day ago

DEADLINE

in 13 days
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NAICS: 491110
New
International
Post Office Branch - Ameysford Road
Solicitation # ocds-h6vhtk-079499
Post Office Limited is seeking a retailer to integrate a Post Office Local branch into an existing or proposed business at Ameysford Road in Dorset. The objective is to incorporate post office counter services into a sustainable retail operation, with the specific layout and design to be mutually agreed upon. The services must be provided during the retail business's standard opening hours. The estimated annual Post Office fees for this location range from 8,000 to 14,000 pounds. The estimated period of performance is 50 years, spanning from January 12, 2027, to January 12, 2077. The selection process follows a competitive flexible procedure consisting of a multi-stage suitability assessment. Applicants must first pass a mandatory pass/fail financial assessment of their business plan and finances before proceeding to a quality-based evaluation of their suitability to operate a branch. This opportunity is particularly suitable for small and medium-sized enterprises, as well as voluntary, community, and social enterprises. Interested parties must submit their electronic applications in English by the deadline of November 12, 2026.
Post Office Limited

POSTED

5 days ago

DEADLINE

in 8 days
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NAICS: 491110
Closed
International
Provision of Postal Service to the Student Loans Company Limited
Solicitation # BIP1079183687
The Student Loans Company Limited has issued a modification notice for the provision of postal services, specifically for the collection of standard mail from Darlington, Bothwell Street, Hillington, Llandudno, and their current transactional print supplier. This modification extends the existing service period to maintain continuity of operations while the organization works toward consolidating these requirements into a single contractual arrangement. The extension is deemed necessary to avoid the impracticality of awarding a short-term contract to a new provider. The agency cited significant resource requirements and potential inefficiencies related to implementation, knowledge transfer, and the transition to new service processes as the primary reasons for avoiding a change in contractors at this time.
Student Loans Company

POSTED

6 days ago

CLOSED

2 months ago
View Details
NAICS: 491110
Federal
Secure Mail Transport Vehicle SupplyThe Secure Mail Transport Vehicle Supply subcontract involves the provision or leasing of modified vehicles to prime contractors supporting USPS mail transport projects. These vehicles must be equipped with heavy-duty secure locking mechanisms and enclosed, waterproof cargo areas to ensure full compliance with USPS specifications for regular service mail hauling. Managed by the Supplies Material Management agency for the Postal Service, the contract is categorized under NAICS code 491110. The place of performance is located in Wasilla, Alaska, with a response deadline set for November 9, 2026.
Supplies Material Management

POSTED

8 days ago

DEADLINE

in 5 days
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NAICS: 491110
Federal
Contract Delivery Service (CDS) HCR 995A2 EAGLE RIVER, AK - H083, AK
Solicitation # 810-99-27
The United States Postal Service is soliciting proposals for a Fixed Price contract with Economic Price Adjustment to provide Contract Delivery Services for route HCR 995A2 between Eagle River, Alaska, and H083, Alaska. The successful supplier will be responsible for the secure and timely transportation of all mail, including loading, unloading, casing, and delivering mail to customer boxes. The effective date for the service is December 20, 2026. Vehicles must meet specific load space requirements, be equipped with roof-mounted warning lights, and may display US MAIL signage. Drivers are required to use cellular phones to report delays exceeding 15 minutes. Proposals must be submitted electronically to [email hidden] or via fax to [phone hidden] by November 9, 2026, at 10:00 AM Mountain Time. Submissions must be a two-volume package including PS Form 7405, PS Form 7468A, and detailed sections on supplier eligibility, past performance, capability, and an operations plan. Award will be based on best value, with technical factors weighted more heavily than price, although price becomes the primary factor among closely ranked technical proposals. The contract is subject to the Service Contract Act of 1965, requiring compliance with Department of Labor prevailing wage determinations.
Supplies Material Management

POSTED

8 days ago

DEADLINE

in 5 days
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NAICS: 491110
Federal
Contract Delivery Service (CDS) HCR 996B8 WASILLA, AK - H035, AK
Solicitation # 810-106-27
The United States Postal Service is soliciting proposals for Contract Delivery Service (CDS) Box Route Service HCR 996B8 located in Wasilla, Alaska. The effective date for these services is December 14, 2026, with proposals due by November 9, 2026, at 10:00 AM Mountain Time. The scope of work involves the execution of scheduled trips to load, unload, and exchange mail, requiring the use of enclosed, waterproof vehicles equipped with secure locking devices. All operations must comply with Department of Labor Wage Determinations and Federal Motor Carrier Safety Administration safety ratings. Award will be based on the best value to the Postal Service using a trade-off process where technical factors—specifically past performance, supplier capability, and the operations plan—are weighted more heavily than price. Eligible offerors must submit a two-volume proposal consisting of a technical volume and a price volume, including completed PS Forms 7405, 7468A, and 5472. Submissions must be sent electronically to Amy Warnecke. The contract includes provisions for potential performance extensions of up to six months and mandates strict adherence to confidentiality and non-disclosure agreements for all personnel.
Supplies Material Management

POSTED

8 days ago

DEADLINE

in 5 days
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NAICS: 491110
Federal
Contract Delivery Service (CDS) HCR 99579 CHUGIAK, AK - H079, AK
Solicitation # 810-98-27
The United States Postal Service is soliciting proposals for Contract Delivery Service (CDS) transportation services under solicitation number 810-98-27 for Chugiak, Alaska. This is a fixed-price contract with economic price adjustment, with an effective service start date of December 16, 2026. The selected supplier will be responsible for loading, transporting, and unloading all classes of mail using at least one vehicle with a minimum of 120 cubes equipped with roof-mounted warning lights. Key operational requirements include maintaining a professional demeanor, adhering to a zero-tolerance policy regarding workplace violence, and ensuring drivers possess cellular phones for communication and basic English proficiency. Proposals must be submitted electronically to Amy Warnecke by November 9, 2026, at 10:00 AM Mountain Time. The submission requires a two-volume package consisting of a technical evaluation volume and a price evaluation volume using PS Form 7405. Award decisions will be based on best value, utilizing a trade-off approach where technical factors—including past performance, supplier capability, and the operations plan—are weighted more heavily than price, although price becomes the deciding factor among closely ranked technical proposals. Eligibility is determined on a pass/fail basis, requiring offerors to be free of debarment and meet specific driving and age requirements. The contract is subject to the Service Contract Act of 1965 regarding prevailing wages and participates in the Treasury Offset Program for payment offsets.
Supplies Material Management

POSTED

8 days ago

DEADLINE

in 5 days
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NAICS: 491110
SLED
Mailing and Delivery of CCU Fall MagazineThis subcontract involves the mailing and delivery of 18,000 magazines for publication projects at Coastal Carolina University. The selected provider will be responsible for address processing, postage application, and the coordination of distribution through the USPS or private carriers. To ensure successful execution, the contractor must utilize specialized mailing software, postage meters, and distribution logistics systems while adhering to all standard postal regulations and delivery verification protocols. The project is categorized under NAICS code 491110 and was posted on October 27, 2026, with a response deadline of November 4, 2026. The primary objective is to ensure the confirmed distribution of all 18,000 magazines to their intended end-users.
Coastal Carolina University

POSTED

8 days ago

DEADLINE

in 1 minute
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NAICS: 491110
Awarded
Federal
56 FSS Postal Service Center Support
Solicitation # FA488727P0007
The 56 FSS Postal Service Center Support contract, solicitation number FA488727P0007, is an award issued by the Department of Defense through the 56 Cons Cc. This requirement is specifically designated as a Service-Disabled Veteran-Owned Small Business set-aside under NAICS code 491110. The services for this contract are to be performed at Luke Air Force Base in Arizona. Primary administrative coordination is managed by Rachel Tilley, with Jacqueline C. Aranda serving as the secondary point of contact.
FA4887 56 Cons Cc

POSTED

9 days ago

DEADLINE

N/A
View Details
NAICS: 491110
Federal
Contract Delivery Service (CDS) HCR 961A6 ALTURAS, CA - H002, CA
Solicitation # 810-101-27
The United States Postal Service is soliciting proposals for Contract Delivery Service (CDS) under solicitation 810-101-27 to provide combination box delivery and transportation services for HCR 961A6, serving Alturas, California, and H002, California. The scope of work includes depositing and collecting mail from customer boxes, managing Address Management System case labeling, and potentially selling stamps and supplies. Services must be performed using enclosed, waterproof compartments with secure locking devices, and mail must be kept separate from any passengers. The contract is a fixed-price agreement with economic price adjustments and is subject to Department of Labor Wage Determination 1977-0194(Rev.-111) (1A). Proposals are due by November 6, 2026, at 10:00 AM Mountain Time, with an effective service start date of December 16, 2026. The award will be based on best value, utilizing a trade-off process where technical factors—including supplier capability, operations plans, and past performance—are weighted more heavily than price. Eligible offerors must be at least 18 years old with two years of driving experience and must not be current Postal Service employees. Submissions must be sent electronically to Amy Warnecke or the CDS office and must include a two-volume proposal consisting of supplier eligibility and past performance, along with completed PS Forms 7405, 7468A, and 5472.
Supplies Material Management

POSTED

11 days ago

DEADLINE

in 2 days
View Details
NAICS: 491110
Federal
Moron Air Base Postal Services
Solicitation # FA557527Q0001
The 496th Air Base Squadron at Moron Air Base, Spain, is seeking a Firm-Fixed Price contract for postal services from January 12, 2027, through January 11, 2032. This commercial service purchase, conducted under Revolutionary Federal Acquisition Regulation Overhaul part 12 procedures, consists of a base year and four option years. The contractor will be responsible for operating the Military Post Office, Postal Service Center, and Official Postal Center. Key operational duties include managing retail window services, processing air cargo mail, conducting transit runs between Moron Air Base, Seville International Airport, and Naval Station Rota, and maintaining financial accountability for USPS flexible credits. The award will be based on technical capability, price, and past performance, with a specific emphasis on the offeror's experience managing an overseas workforce. Requirements include providing a qualified Postal Supervisor who must be an American National and possessing a final U.S. Secret security clearance. The contractor must also employ at least one U.S. citizen with a Secret clearance to handle registered mail containing secret defense material. Administrative requirements include electronic invoicing via the Wide Area WorkFlow system and compliance with Spanish laws, DFARS cybersecurity standards, and strict personnel screening. Performance will be monitored through a Quality Assurance Surveillance Plan, and the contractor must maintain detailed training records for inspection by the Contracting Officer's Representative.
FA5575 496 Abs Pk

POSTED

12 days ago

DEADLINE

in 12 days
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NAICS: 491110
Closed
SLED
Direct Mail Processing and Postage ManagementThis subcontract for Direct Mail Processing and Postage Management involves providing comprehensive sorting, addressing, and mailing services for state communications on State of Michigan PMM projects. The selected provider will manage the end-to-end mailing process, utilizing specialized mailing software, addressing machines, and postage meters to ensure the successful distribution of communications to end recipients. Managed by the DTMB for the State of Michigan under NAICS code 491110, the contract requires that the service provider be pre-qualified with State of Michigan PMM. Interested parties must adhere to the established timeline, with the solicitation posted on October 23, 2026, and a response deadline of October 28, 2026.
DTMB

POSTED

12 days ago

CLOSED

7 days ago
View Details

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