Transportation and Warehousing ·NAICS 483

NAICS 483 · IRS SOI 2023 · Census CBP

Water Transportation - Industry Benchmarks

$108,243/yr average annual pay, with 86 SBA loans on record for NAICS 483.

3.6%
Net margin
63K
Workers employed
$108,243/yr
Avg payroll / employee
$49M
SBA lending, FY20–26

Data updated July 2026

The verdict · NAICS 483

Water Transportation runs a 3.6% pre-tax net margin - below the national median - across 2K establishments employing 63K workers.

3.6%
Pre-tax net margin (IRS SOI)
63K
Workers employed (Census CBP)
$108,243/yr
Avg payroll / employee
$49M
SBA lending, FY20–26

Benchmarking Insights for Water Transportation

Water Transportation sits inside Transportation and Warehousing at a 3.6% net margin (below the national median), $32.9B in aggregate receipts across 11,805 returns, averaging $2.8B 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

3.6%

Net income ÷ total receipts (IRS SOI)

Total Receipts

$32.9B

Annual revenue (IRS SOI)

Net Income

$1.2B

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

What changed from Census CBP 2022 to 2023

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.

Where each dollar of Water Transportation revenue goes

Workforce scale

Water Transportation margin vs national reference points

Water Transportation net margin 12.0%
Cross-industry median (5%)

p25/median/p75 = 3%/5%/8%

Business Structure Breakdown

How businesses in this industry are legally structured (IRS SOI)

C Corporation
3,832 returns 32%

Margin: 4.1% · Receipts: $31.4B

Sole Proprietorship
7,973 returns 68%

Margin: -6.6% · Receipts: $1.5B

Financial Detail

Total Tax Returns Filed
11,805
Avg Receipts per Business
$2.8B
Annual Payroll (Total)
$6.8B
Avg Employees per Establishment
35.1

Sub-Industries

Industry Profit Margin
Deep Sea, Coastal, and Great Lakes Water Transportation

NAICS 4831

N/A
Inland Water Transportation

NAICS 4832

N/A

Top States by Employment

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 Lending Activity

SBA FY2020–2026

SBA Loans Approved

86

Total Loan Volume

$49M

Avg Loan Size

$572K

Jobs Supported

821

Program Breakdown

7(a) 80 (93%)
504 6 (7%)

Top SBA Lender

Manufacturers and Traders Trust Company

9 loans in this industry

New Business Share

33.7% of borrowers were new/startup businesses

Annual Lending Trend (7 yrs)

2020
6
2021
15
2022
15
2023
19
2024
16
2025
14
2026
1

Frequently Asked Questions

What is the average revenue for Water Transportation?
$32.9B in total annual receipts across all Water Transportation businesses. Average per business: $2.8B.
How profitable is Water Transportation?
3.6% net profit margin, below the national median.
How many businesses are in Water Transportation?
1,790 business establishments. Together they employ 62,806 workers.
What is the average payroll per employee in Water Transportation?
$108,243/yr average annual pay per employee. Businesses average 35.1 employees per establishment.
Which states have the most Water Transportation employment?
Louisiana leads with 10,246 workers. Washington (5,077) and Kentucky (3,168) round out the top three.
How much SBA lending does Water Transportation receive?
Water Transportation businesses received 86 SBA loans totaling $49 million between FY2020 and FY2026. The average loan size was $572K. These loans supported 821 jobs at origination. Most lending (93%) 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: Water Transportation reports a higher net margin than 28% of the 79 IRS-tracked industries at the same NAICS detail level. Its Census employment total exceeds 8% of that same 77-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 reported net margins

Same NAICS detail level, ordered by the smallest difference in reported IRS pre-tax margin.

Closest workforce scale

Same NAICS detail level, ordered by the smallest difference in reported Census employment.

Benchmarking Water Transportation

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 483 · 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.

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.