Profit Margin
4.1%
Net income ÷ total receipts (IRS SOI)
Transportation and Warehousing ·NAICS 483
NAICS 483 · IRS SOI 2013 (C corp) · Census CBP 2023
$108,243/yr average annual pay, with 86 SBA loans on record for NAICS 483.
Data updated August 2026
The verdict · NAICS 483
Water Transportation runs a 4.1% pre-tax net margin - below the national median - across 2K establishments employing 63K workers.
Use Water Transportation's NAICS benchmark as a comparison point, not a forecast for one business.
Water 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 2013 (C corporation headline) and Census County Business Patterns 2023
Water Transportation sits inside Transportation and Warehousing at a 4.1% net margin (below the national median), $31.4B in aggregate receipts across 3,832 returns, averaging $8.2B per establishment.
1,790 establishments employ 62,806 workers (35.1/location) at $108,243/yr average annual pay. Louisiana leads employment, followed by Washington and Kentucky.
Profit Margin
4.1%
Net income ÷ total receipts (IRS SOI)
Total Receipts
$31.4B
Annual revenue (IRS SOI)
Net Income
$1.3B
Pre-tax net income
Employment
62,806
Total employees (Census CBP)
Avg Payroll / Employee
$108,243/yr
Annual compensation
Establishments
1,790
Business locations
Release-over-release change
Employment increased by 2,171; establishment count increased by 10. 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)p25/median/p75 = 3%/5%/7%
Per-entity IRS SOI tables at their own vintages, shares only when every row shares one year (never mix 2013/2017/2022 populations).
Margin: 4.1% · Receipts: $31.4B
Margin: -6.6% · Receipts: $1.5B
| Industry | Profit Margin |
|---|---|
| Deep Sea, Coastal, and Great Lakes Water Transportation NAICS 4831 | N/A |
| Inland Water Transportation NAICS 4832 | N/A |
| State | Employment |
|---|---|
| Louisiana | 10,246 |
| Washington | 5,077 |
| Kentucky | 3,168 |
| New York | 2,520 |
| Alaska | 1,165 |
| New Jersey | 1,048 |
| Mississippi | 985 |
| Illinois | 740 |
| Michigan | 545 |
| Minnesota | 187 |
Showing top 10 of 36 states
SBA Loans Approved
86
Total Loan Volume
$49M
Avg Loan Size
$572K
Jobs Supported
821
Top SBA Lender
Manufacturers and Traders Trust Company
9 loans in this industry
New Business Share
33.7% of borrowers were new/startup businesses
These links are calculated from the current national dataset. They are comparison paths, not recommendations or evidence that businesses operate alike.
According to Census County Business Patterns 2023, Water Transportation ranks #71 of 77 U.S. industries at the 3-digit NAICS level by total employment. According to IRS SOI 2013 IRS Statistics of Income, its reported pre-tax net margin ranks #47 of 75 at that same detail level.
Same NAICS detail level, ordered by the smallest difference in reported IRS pre-tax margin.
Same NAICS detail level, ordered by the smallest difference in reported Census employment.
Benchmarking Water Transportation
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 483 · CBP 2023 · IRS SOI 2013
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.