Employment
3,853
Total employees (Census CBP)
Transportation and Warehousing ·NAICS 488999
NAICS 488999 · IRS SOI (C corp) · Census CBP 2023
All Other Support Activities for Transportation - Industry Benchmarks
192 SBA loans on record, $68M in volume, for NAICS 488999.
- 760
- Establishments
- 4K
- Workers employed
- N/A
- Avg payroll / employee
- $68M
- SBA lending, FY20–26
Data updated August 2026
The verdict · NAICS 488999
Maryland leads All Other Support Activities for Transportation activity nationally, across 760 establishments employing 4K workers. IRS SOI doesn't publish margin data at this NAICS level.
- 760
- Business establishments (Census)
- 4K
- Workers employed (Census CBP)
- N/A
- Avg payroll / employee
- $68M
- SBA lending, FY20–26
Use All Other Support Activities for Transportation's NAICS benchmark as a comparison point, not a forecast for one business.
All Other Support Activities for Transportation is reported here with financial measures from IRS Statistics of Income and workforce measures from Census County Business Patterns. The page keeps those source systems distinct, shows unavailable fields rather than estimating them, and links the underlying industry context so readers can compare the same NAICS activity before interpreting a margin or payroll figure.
Source: IRS SOI (C corporation headline) and Census County Business Patterns 2023
Benchmarking Insights for All Other Support Activities for Transportation
All Other Support Activities for Transportation sits inside Transportation and Warehousing.
760 establishments employ 3,853 workers (5.1/location). Maryland leads employment, followed by Michigan and Minnesota.
All Other Support Activities for Transportation sits in the 5th percentile for employment among 6-digit NAICS industries with reported data.
Avg Payroll / Employee
N/A
Annual compensation
Establishments
760
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment decreased by 164; establishment count increased by 69. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Subscribe to this industry's release updates (RSS)Workforce scale
Financial Detail
- Avg Employees per Establishment
- 5.1
Top States by Employment
| State | Employment |
|---|---|
| Maryland | 333 |
| Michigan | 231 |
| Minnesota | 210 |
| Indiana | 14 |
| Connecticut | 9 |
| Kentucky | 7 |
| Oklahoma | 6 |
Showing top 10 of 31 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
192
Total Loan Volume
$68M
Avg Loan Size
$355K
Jobs Supported
1,385
Program Breakdown
7(a) 173 (90%)
504 19 (10%)
Top SBA Lender
Wells Fargo Bank National Association
25 loans in this industry
New Business Share
28.6% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 18
2021 24
2022 39
2023 28
2024 47
2025 34
2026 2
Frequently Asked Questions
How many businesses are in All Other Support Activities for Transportation?
760 business establishments. Together they employ 3,853 workers.
What is the average payroll per employee in All Other Support Activities for Transportation?
Average payroll data for All Other Support Activities for Transportation is not available in the current Census CBP dataset.
Which states have the most All Other Support Activities for Transportation employment?
Maryland leads with 333 workers. Michigan (231) and Minnesota (210) round out the top three.
How much SBA lending does All Other Support Activities for Transportation receive?
All Other Support Activities for Transportation businesses received 192 SBA loans totaling $68 million between FY2020 and FY2026. The average loan size was $355K. These loans supported 1,385 jobs at origination. Most lending (90%) came through the SBA 7(a) program.
Nationwide industries with similar benchmark drivers
Two IRS/Census peer sets for All Other Support Activities for Transportation, both at NAICS level 6 and excluding this code so the neighborhoods are not self-links.
According to Census County Business Patterns 2023, All Other Support Activities for Transportation ranks #762 of 801 U.S. industries at the 6-digit NAICS level by total employment.
Similar workforce scale
Nearest peer industries by ABS(Census employment) (3,853 here).
Read with this industry: Industry employment trends · Transportation and Warehousing · Rankings
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 488999 · CBP 2023 · IRS SOI
According to the U.S. Census Bureau, which released its 2023 County Business Patterns dataset in June 2025, PlainBizBench benchmarks 2,002 U.S. industries against Internal Revenue Service Statistics of Income data. See our methodology for the full compilation process.
Read our methodology - how this data is sourced, computed, and verified.
Source: U.S. Census Bureau, County Business Patterns / SUSB Industry employment scale, payroll, and firm-size benchmarks · 2023
Every figure on PlainBizBench is rendered directly from federal source data, no number is typed in by an editor. This page aggregates profit-margin, payroll, entity-type, and SBA-lending benchmarks for this industry, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.