Employment
7,786
Total employees (Census CBP)
Transportation and Warehousing ·NAICS 488390
NAICS 488390 · IRS SOI 2023 · Census CBP
Other Support Activities for Water Transportation - Industry Benchmarks
$81,691/yr average annual pay, with 50 SBA loans on record for NAICS 488390.
- 6.0%
- Transportation and Warehousing sector margin
- 8K
- Workers employed
- $81,691/yr
- Avg payroll / employee
- $29M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 488390
Louisiana leads Other Support Activities for Water 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)
- 8K
- Workers employed (Census CBP)
- $81,691/yr
- Avg payroll / employee
- $29M
- SBA lending, FY20–26
Benchmarking Insights for Other Support Activities for Water Transportation
Other Support Activities for Water Transportation sits inside Transportation and Warehousing, a sector that runs a 6.0% net margin overall.
759 establishments employ 7,786 workers (10.3/location) at $81,691/yr average annual pay. Louisiana leads employment, followed by New Jersey and Washington.
Avg Payroll / Employee
$81,691/yr
Annual compensation
Establishments
759
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment increased by 502; establishment count increased by 7. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Workforce scale
Financial Detail
- Annual Payroll (Total)
- $636.0M
- Avg Employees per Establishment
- 10.3
Top States by Employment
| State | Employment |
|---|---|
| Louisiana | 2,289 |
| New Jersey | 347 |
| Washington | 154 |
| New York | 124 |
| Hawaii | 69 |
| Alaska | 66 |
| Rhode Island | 55 |
| Georgia | 11 |
| Oklahoma | 8 |
Showing top 10 of 33 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
50
Total Loan Volume
$29M
Avg Loan Size
$585K
Jobs Supported
742
Program Breakdown
7(a) 48 (96%)
504 2 (4%)
Top SBA Lender
The Huntington National Bank
5 loans in this industry
New Business Share
24.0% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 5
2021 7
2022 5
2023 11
2024 10
2025 11
2026 1
Frequently Asked Questions
How profitable is Other Support Activities for Water Transportation?
IRS SOI doesn't publish margin data at the NAICS 488390 level. Louisiana leads this industry nationally. The broader Transportation and Warehousing sector runs a 6.0% net margin (IRS SOI 2023).
How many businesses are in Other Support Activities for Water Transportation?
759 business establishments. Together they employ 7,786 workers.
What is the average payroll per employee in Other Support Activities for Water Transportation?
$81,691/yr average annual pay per employee. Businesses average 10.3 employees per establishment.
Which states have the most Other Support Activities for Water Transportation employment?
Louisiana leads with 2,289 workers. New Jersey (347) and Washington (154) round out the top three.
How much SBA lending does Other Support Activities for Water Transportation receive?
Other Support Activities for Water Transportation businesses received 50 SBA loans totaling $29 million between FY2020 and FY2026. The average loan size was $585K. These loans supported 742 jobs at origination. Most lending (96%) 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 11% 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 Other Support Activities for Water Transportation
- No margin data, check the parent industry. Browse Transportation and Warehousing
- 759 establishments, 7,786 workers. Payroll benchmarks
- 50 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 488390 · 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.