Employment
3,853
Total employees (Census CBP)
Transportation and Warehousing ·NAICS 488999
NAICS 488999 · IRS SOI 2023 · Census CBP
All Other Support Activities for Transportation - Industry Benchmarks
192 SBA loans on record, $68M in volume, for NAICS 488999.
- 6.0%
- Transportation and Warehousing sector margin
- 4K
- Workers employed
- N/A
- Avg payroll / employee
- $68M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 488999
Maryland leads All Other Support Activities for Transportation activity nationally. IRS SOI doesn't publish margin data at this NAICS level, but the broader Transportation and Warehousing sector runs a 6.0% net margin.
- 6.0%
- Transportation and Warehousing sector margin (IRS SOI)
- 4K
- Workers employed (Census CBP)
- N/A
- Avg payroll / employee
- $68M
- SBA lending, FY20–26
Benchmarking Insights for All Other Support Activities for Transportation
All Other Support Activities for Transportation sits inside Transportation and Warehousing, a sector that runs a 6.0% net margin overall.
760 establishments employ 3,853 workers (5.1/location). Maryland leads employment, followed by Michigan and Minnesota.
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.
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 profitable is All Other Support Activities for Transportation?
IRS SOI doesn't publish margin data at the NAICS 488999 level. Maryland leads this industry nationally. The broader Transportation and Warehousing sector runs a 6.0% net margin (IRS SOI 2023).
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.
Comparable industry benchmarks
These links are calculated from the current national dataset. They are comparison paths, not recommendations or evidence that businesses operate alike.
How this ranks: Its Census employment total exceeds 5% of that same 801-industry cohort. Calculated by ranking this industry's reported value against every other industry at the same NAICS digit-level, not the whole dataset: comparing a 6-digit detail industry to a 2-digit sector would mix incompatible scales.
Closest workforce scale
Same NAICS detail level, ordered by the smallest difference in reported Census employment.
Benchmarking All Other Support Activities for Transportation
- No margin data, check the parent industry. Browse Transportation and Warehousing
- 760 establishments, 3,853 workers. Payroll benchmarks
- 192 SBA loans on record. SBA lending 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 · Data year: 2023
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.