Transportation and Warehousing ·NAICS 4884

NAICS 4884 · IRS SOI 2023 · Census CBP

Support Activities for Road Transportation - Industry Benchmarks

$49,297/yr average annual pay, with 1,071 SBA loans on record for NAICS 4884.

6.0%
Transportation and Warehousing sector margin
110K
Workers employed
$49,297/yr
Avg payroll / employee
$539M
SBA lending, FY20–26

Data updated July 2026

The verdict · NAICS 4884

California leads Support Activities for Road 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)
110K
Workers employed (Census CBP)
$49,297/yr
Avg payroll / employee
$539M
SBA lending, FY20–26

Benchmarking Insights for Support Activities for Road Transportation

Support Activities for Road Transportation sits inside Transportation and Warehousing, a sector that runs a 6.0% net margin overall.

14,137 establishments employ 109,993 workers (7.8/location) at $49,297/yr average annual pay. California leads employment, followed by Texas and Florida.

Employment

109,993

Total employees (Census CBP)

Avg Payroll / Employee

$49,297/yr

Annual compensation

Establishments

14,137

Business locations

Release-over-release change

What changed from Census CBP 2022 to 2023

Employment decreased by 13,830; establishment count decreased by 351. 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)
$5.4B
Avg Employees per Establishment
7.8

Sub-Industries

Industry Profit Margin
Motor Vehicle Towing

NAICS 48841

N/A
Other Support Activities for Road Transportation

NAICS 48849

N/A

Top States by Employment

State Employment
California 17,414
Texas 8,693
Florida 6,173
Pennsylvania 5,262
Illinois 4,729
Ohio 4,270
Georgia 3,934
Michigan 3,871
North Carolina 3,821
New York 3,703

Showing top 10 of 51 states

SBA Lending Activity

SBA FY2020–2026

SBA Loans Approved

1,071

Total Loan Volume

$539M

Avg Loan Size

$504K

Jobs Supported

8,713

Program Breakdown

7(a) 928 (87%)
504 143 (13%)

Top SBA Lender

The Huntington National Bank

94 loans in this industry

New Business Share

24.6% of borrowers were new/startup businesses

Annual Lending Trend (7 yrs)

2020
143
2021
150
2022
164
2023
178
2024
185
2025
217
2026
34

Frequently Asked Questions

How profitable is Support Activities for Road Transportation?
IRS SOI doesn't publish margin data at the NAICS 4884 level. California leads this industry nationally. The broader Transportation and Warehousing sector runs a 6.0% net margin (IRS SOI 2023).
How many businesses are in Support Activities for Road Transportation?
14,137 business establishments. Together they employ 109,993 workers.
What is the average payroll per employee in Support Activities for Road Transportation?
$49,297/yr average annual pay per employee. Businesses average 7.8 employees per establishment.
Which states have the most Support Activities for Road Transportation employment?
California leads with 17,414 workers. Texas (8,693) and Florida (6,173) round out the top three.
How much SBA lending does Support Activities for Road Transportation receive?
Support Activities for Road Transportation businesses received 1,071 SBA loans totaling $539 million between FY2020 and FY2026. The average loan size was $504K. These loans supported 8,713 jobs at origination. Most lending (87%) 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 36% of that same 259-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 Support Activities for Road 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 4884 · 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.