NAICS 561431 Quarterly Industry Report
Private Mail Centers
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 561431Sector: Administrative and Support and Waste Management and Remediation Services (56)Updated: Q1 2026
About This Report
This industry profile for Private Mail Centers (NAICS 561431) draws on data from the U.S. Census Bureau[5], Bureau of Labor Statistics[6], and SBA size standards database[7]. Published by Fair Market Value and updated quarterly, it provides valuation professionals, franchise analysts, and business brokers with current market data. The editorial analysis reflects the independent assessment of FairMarketValue.com's research team, with all quantitative claims sourced to publicly verifiable databases.
Industry Snapshot
Key metrics for the private mail centers industry.
Share of Administrative and Support and Waste Management and Remediation Services
1.7%
By establishment count, 2022 Census[2]
NAICS Sector
56
Administrative and Support and Waste Management and Remediation Services
Industry Definition & Overview
Private Mail Centers (NAICS 561431) encompasses establishments primarily engaged in providing mailbox rental and postal services, including mail receiving, mail forwarding, and package management, often combined with additional office support services. These businesses serve individuals and companies requiring secure mailing addresses, mail handling, and shipping logistics without maintaining dedicated mailroom infrastructure per the U.S. Census Bureau[5].
The industry is valued at about $3.6 billion, with over 5,000 companies operating nationally. Growth has averaged 6.4 percent annually over the past three years, though longer-term data shows more modest 1.2 percent average annual growth over five years. Establishments provide mailbox rentals, mail receiving and sorting, package shipping and forwarding, copying, faxing, notary services, and office supply sales per the Bureau of Labor Statistics[6].
The industry includes franchised chains such as The UPS Store and Pak Mail alongside independent operators serving local business communities. Per the SBA Table of Size Standards[7], the size standard is $19.0 million in average annual receipts. Services appeal to home-based businesses, remote workers, small companies seeking professional mailing addresses, and temporary businesses requiring flexible postal solutions without long-term commercial lease commitments. Average sales per company run about $700,000 annually, with multi-service locations generating higher revenue through bundled shipping, copying, and notary offerings.
What's Included in This Industry
- Mailbox rental and mail receiving services
- Mail receiving, sorting, and organization
- Mail forwarding to designated addresses
- Package receipt and secure storage
- Package shipping through major carriers (UPS, FedEx, USPS)
- Shipping supplies and packing materials
- Copying and document reproduction services
- Faxing and document transmission services
- Notary public services
- Passport and identification photography
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Sector | Administrative and Support and Waste Management and Remediation Services | 56 |
| Subsector | Administrative and Support Services | 561 |
| Industry Group | Business Support Services | 5614 |
| NAICS Industry | Business Service Centers | 56143 |
| National Industry | Private Mail Centers | 561431 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 561410 | Document Preparation Services | Document Preparation Services provide writing, editing, and transcription that complement private mail center operations for businesses needing both document and mail support |
| 561110 | Office Administrative Services | Office Administrative Services encompass broader front-office functions that may include mail handling as part of contracted business support packages |
| 561439 | Other Business Service Centers (including Copy Shops) | Other Business Service Centers provide related administrative services including virtual office space and business support infrastructure that overlaps with mail center offerings |
| 561910 | Packaging and Labeling Services | Packaging and Labeling Services support private mail center operations through specialized supply chain, shipping preparation, and labeling functions |
| 492110 | Couriers and Express Delivery Services | Couriers and Express Delivery Services operate alongside private mail centers in the postal and package delivery ecosystem, providing last-mile delivery |
| 491110 | Postal Service | Postal Service operations provide the foundational mail delivery infrastructure that private mail centers build upon with value-added services and convenience |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 17.7% | 991 |
| 2 | Texas | 10.8% | 605 |
| 3 | Florida | 9.6% | 538 |
| 4 | Georgia | 4.4% | 245 |
| 5 | Washington | 4.1% | 230 |
| 6 | New York | 4.0% | 227 |
| 7 | North Carolina | 2.9% | 163 |
| 8 | Colorado | 2.9% | 163 |
| 9 | Arizona | 2.8% | 159 |
| 10 | Illinois | 2.7% | 149 |
% Of Establishments
0%
18%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
1,760
Total SBA Loans
$639.4M
Total Loan Volume
$363K
Average Loan Size
10 yrs
Average Loan Term
9.28%
Average Interest Rate
9,608
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: Per the SBA Table of Size Standards[7], the size standard for NAICS 561431 is $19.0 million in average annual receipts. This determines eligibility for SBA-backed loans, federal contracting set-asides, and small business programs. SBA 7(a) loans[8] support franchise startup costs, equipment acquisition, location buildout, and working capital for qualifying mail center operators. Additionally, 504/CDC loans[9] provide long-term, fixed-rate financing for major fixed assets such as real estate and equipment.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Bank of America, National Association | 368 | $203.6M | $553K |
| 2 | The Huntington National Bank | 320 | $53.7M | $168K |
| 3 | U.S. Bank, National Association | 104 | $39.7M | $382K |
| 4 | United Community Bank | 72 | $34.1M | $474K |
| 5 | Truist Bank | 8 | $19.6M | $2.5M |
Frequently Asked Questions
Common questions about this industry.
What types of businesses use private mail center services?
Home-based businesses, remote entrepreneurs, small companies, freelancers, and temporary businesses represent the core clientele. Online retailers need return addresses. Real estate agents establish professional mailing addresses. Medical practitioners, attorneys, and contractors use mail centers for business correspondence per the U.S. Census Bureau[5]. About 5,000 mail center businesses generate over $3.6 billion in combined revenues.
How is the private mail center industry structured?
The industry includes franchised national chains like The UPS Store and Pak Mail alongside independent operators. About 5,046 companies operate nationally with average sales of $700,000 per company per the Bureau of Labor Statistics[6]. Business models range from simple mailbox rental to full-service centers offering copying, faxing, shipping, notary, and supplies. Most offer flexible month-to-month rental terms.
What is the SBA size standard for private mail centers?
Per the SBA Table of Size Standards[7], NAICS 561431 has a size standard of $19.0 million in average annual receipts. This qualifies most private mail center operations for SBA loans, federal contracting set-asides, and small business support programs.
What related NAICS codes apply to mail center operations?
Related codes include NAICS 561410 (Document Preparation), NAICS 561439 (Other Business Service Centers), NAICS 561910 (Packaging and Labeling), NAICS 492110 (Couriers and Express Delivery), and NAICS 491110 (Postal Service). These codes represent complementary services within the mail handling, shipping, and business support ecosystem per the U.S. Census Bureau[5].
Which industries rely most on mail center services?
E-commerce and online retail businesses use mail centers for shipping and returns. Real estate professionals, solo attorneys, and small medical practices need professional mailing addresses. Home-based consultants, contractors managing multiple job sites, and startups avoiding commercial leases constitute major customer segments.
What specific services are included in private mail centers?
Core services include mailbox rental, mail receiving and sorting, package receipt and storage, mail forwarding, package shipping through UPS, FedEx, and USPS, copying, faxing, notary services, passport photography, and document shredding per the U.S. Census Bureau[5]. Many centers now offer virtual office services and digital mail notifications.
Can mail center businesses get SBA loans?
Yes, mail centers meeting the $19 million size standard qualify for SBA 7(a) loans[8] supporting franchise costs, location buildout, equipment, and working capital. SBA financing is particularly valuable for franchise startups and expansion. CAPLines provide revolving credit for inventory and supply needs.
Which states have the highest concentration of private mail centers?
California, Texas, Florida, New York, and Pennsylvania show the highest mail center concentrations per the Bureau of Labor Statistics[6]. Suburban areas and business districts in major metros support higher numbers of centers serving home-based and small business populations. Franchise networks like The UPS Store maintain the highest density in populated regions with strong entrepreneurial activity.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]U.S. Census Bureau census.gov
- [6]Bureau of Labor Statistics bls.gov
- [7]SBA Table of Size Standards sba.gov
- [8]SBA 7(a) loans sba.gov
- [9]504/CDC loans sba.gov
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