Transportation and Warehousing ·NAICS 48831

NAICS 48831 · IRS SOI (C corp) · Census CBP 2023

Port and Harbor Operations - Industry Benchmarks

$76,503/yr average annual pay, with 11 SBA loans on record for NAICS 48831.

326
Establishments
14K
Workers employed
$76,503/yr
Avg payroll / employee
$10M
SBA lending, FY20–26

Data updated August 2026

The verdict · NAICS 48831

New Jersey leads Port and Harbor Operations activity nationally, across 326 establishments employing 14K workers. IRS SOI doesn't publish margin data at this NAICS level.

326
Business establishments (Census)
14K
Workers employed (Census CBP)
$76,503/yr
Avg payroll / employee
$10M
SBA lending, FY20–26

Use Port and Harbor Operations's NAICS benchmark as a comparison point, not a forecast for one business.

Port and Harbor Operations 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 Port and Harbor Operations

Port and Harbor Operations sits inside Transportation and Warehousing.

326 establishments employ 13,933 workers (42.7/location) at $76,503/yr average annual pay. New Jersey leads employment, followed by Florida and Maryland.

Port and Harbor Operations sits in the 13th percentile for employment among 5-digit NAICS industries with reported data.

Employment

13,933

Total employees (Census CBP)

Avg Payroll / Employee

$76,503/yr

Annual compensation

Establishments

326

Business locations

Release-over-release change

What changed from Census CBP 2022 to 2023

Employment increased by 606; establishment count decreased by 20. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.

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Workforce scale

Financial Detail

Annual Payroll (Total)
$1.1B
Avg Employees per Establishment
42.7

Sub-Industries

Industry Profit Margin
Port and Harbor Operations

NAICS 488310

N/A

Top States by Employment

State Employment
New Jersey 1,567
Florida 1,434
Maryland 1,321
Washington 269
Illinois 72
South Carolina 69
Oregon 23
Minnesota 16

Showing top 10 of 29 states

SBA Lending Activity

SBA FY2020–2026

SBA Loans Approved

11

Total Loan Volume

$10M

Avg Loan Size

$948K

Jobs Supported

140

Program Breakdown

7(a) 10 (91%)
504 1 (9%)

Top SBA Lender

Mission Valley Bank

2 loans in this industry

New Business Share

18.2% of borrowers were new/startup businesses

Annual Lending Trend (5 yrs)

2020
2
2021
2
2022
2
2024
2
2025
3

Frequently Asked Questions

How many businesses are in Port and Harbor Operations?
326 business establishments. Together they employ 13,933 workers.
What is the average payroll per employee in Port and Harbor Operations?
$76,503/yr average annual pay per employee. Businesses average 42.7 employees per establishment.
Which states have the most Port and Harbor Operations employment?
New Jersey leads with 1,567 workers. Florida (1,434) and Maryland (1,321) round out the top three.
How much SBA lending does Port and Harbor Operations receive?
Port and Harbor Operations businesses received 11 SBA loans totaling $10 million between FY2020 and FY2026. The average loan size was $948K. These loans supported 140 jobs at origination. Most lending (91%) came through the SBA 7(a) program.

Nationwide industries with similar benchmark drivers

Two IRS/Census peer sets for Port and Harbor Operations, both at NAICS level 5 and excluding this code so the neighborhoods are not self-links.

According to Census County Business Patterns 2023, Port and Harbor Operations ranks #479 of 551 U.S. industries at the 5-digit NAICS level by total employment.

Similar workforce scale

Nearest peer industries by ABS(Census employment) (13,933 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 48831 · 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.

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.