NAICS Sector 49 · IRS SOI + Census CBP 2023

Transportation and Warehousing

Sector-wide financial benchmarks across 17 sub-industries, profit margin, payroll, employment, and revenue. Drill into any industry below for NAICS-level detail.

9.9%
Avg net margin
1.2M
Workers
17
Industries
$43.1B
Annual receipts

The verdict · Transportation and Warehousing

The Transportation and Warehousing sector averages a 9.9% net margin across 17 sub-industries - in line with the national median - but that headline blends Couriers and Messengers at 15.1% with far thinner lines below it.

9.9%
Avg net margin (IRS SOI)
1.2M
Workers (Census CBP)
38K
Establishments
17
Sub-industries

Sector averages are a map, not a benchmark, drop one NAICS level deeper to compare your own business.

What the Transportation and Warehousing Sector Numbers Reveal

The Transportation and Warehousing sector (NAICS 49) aggregates 17 distinct sub-industries into one benchmarking unit. At the sector level, the average net profit margin is 9.9% - a figure that is in line with the national median. Averages at this tier can mislead because they blend high-margin specialty lines with commodity operators: Couriers and Messengers runs at 15.1%, while other sub-industries inside the same sector operate well below that headline. When you benchmark a business against a sector, always drop one level deeper to the NAICS 6-digit industry that matches your actual operations.

Scale metrics reinforce the story. Census Bureau CBP 2023 records 1,185,718 employees across 37,747 establishments in this sector, with $43.1B of annual receipts flowing through the IRS SOI filings. The largest employer sub-industry is Couriers and Messengers with 1,185,718 workers. Understanding which sub-industries drive headcount helps identify where labor cost trends, wage pressure, and hiring competition will concentrate, all of which feed directly into the profit margin shown above.

For operators, investors, and analysts, the right move is to use this sector page as a map rather than a conclusion. Click into any sub-industry below to see its actual NAICS-6 profit margin, entity-type breakdown (sole prop vs. S-corp vs. C-corp), state-level employment concentration, and SBA lending activity. Sector-level numbers are the aggregate; the real benchmarking precision lives one layer down in the IRS SOI and Census CBP micro-data that PlainBizBench surfaces on each industry page.

Avg Profit Margin

9.9%

Total Employment

1,185,718

Establishments

37,747

Total Receipts

$43.1B

All Industries in This Sector

Industry Profit Margin
Couriers and Messengers

NAICS 492

15.1%
Warehousing and Storage

NAICS 493

4.7%

Top Profit Margins

Largest Employers

  1. #1 Couriers and Messengers 1,185,718

Frequently Asked Questions

What is the average profit margin for the Transportation and Warehousing sector?
The Transportation and Warehousing sector (NAICS 49) has an average net profit margin of 9.9% across 17 sub-industries, which is in line with the national median. This is derived from IRS Statistics of Income business tax data.
How many industries are in the Transportation and Warehousing sector?
The Transportation and Warehousing sector (NAICS 49) contains 17 distinct sub-industries classified under the North American Industry Classification System. These range from high-margin industries like Couriers and Messengers (15.1%) to major employers like Couriers and Messengers (1,185,718 employees).
How many people work in the Transportation and Warehousing sector?
The Transportation and Warehousing sector employs 1,185,718 workers across 37,747 business establishments nationwide, according to Census Bureau County Business Patterns 2023 data.
What are the most profitable industries in Transportation and Warehousing?
The highest-margin industries in the Transportation and Warehousing sector include Couriers and Messengers (15.1%), Warehousing and Storage (4.7%). These margins are calculated from IRS Statistics of Income data as net income divided by total receipts.
What is the total revenue of the Transportation and Warehousing sector?
The Transportation and Warehousing sector reports total annual receipts of $43.1B across all business entities filing federal tax returns. This covers all 17 sub-industries within NAICS sector 49, based on IRS Statistics of Income data.
Disclaimer: PlainBizBench provides publicly available IRS and Census data for informational purposes only. This is not financial, tax, or business advice. Consult a qualified accountant or financial advisor for business-specific guidance.
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBizBench Editorial

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 across 24 NAICS sectors against Internal Revenue Service Statistics of Income data. See our methodology for the full compilation process.

Every figure on PlainBizBench is rendered directly from federal source data, no number is typed in by an editor. This page aggregates every industry within this sector, 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.