Construction ·NAICS 237

NAICS 237 · IRS SOI 2023 · Census CBP

Heavy and Civil Engineering Construction - Industry Benchmarks

$91,313/yr average annual pay, with 2,034 SBA loans on record for NAICS 237.

2.6%
Net margin
1.1M
Workers employed
$91,313/yr
Avg payroll / employee
$1.3B
SBA lending, FY20–26

Data updated July 2026

The verdict · NAICS 237

Heavy and Civil Engineering Construction runs a 2.6% pre-tax net margin - significantly below average, typical of high-volume, low-margin sectors - across 39K establishments employing 1.1M workers.

2.6%
Pre-tax net margin (IRS SOI)
1.1M
Workers employed (Census CBP)
$91,313/yr
Avg payroll / employee
$1.3B
SBA lending, FY20–26

Benchmarking Insights for Heavy and Civil Engineering Construction

Heavy and Civil Engineering Construction sits inside Construction at a 2.6% net margin (significantly below average, typical of high-volume, low-margin sectors), $243.6B in aggregate receipts across 50,815 returns, averaging $4.8B per establishment.

38,612 establishments employ 1,051,261 workers (27.2/location) at $91,313/yr average annual pay. Texas leads employment, followed by California and Florida.

Profit Margin

2.6%

Net income ÷ total receipts (IRS SOI)

Total Receipts

$243.6B

Annual revenue (IRS SOI)

Net Income

$6.4B

Pre-tax net income

Employment

1,051,261

Total employees (Census CBP)

Avg Payroll / Employee

$91,313/yr

Annual compensation

Establishments

38,612

Business locations

Release-over-release change

What changed from Census CBP 2022 to 2023

Employment increased by 38,806; establishment count increased by 398. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.

Where each dollar of Heavy and Civil Engineering Construction revenue goes

Workforce scale

Heavy and Civil Engineering Construction margin vs national reference points

Heavy and Civil Engineering Construction net margin 8.8%
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
50,815 returns 100%

Margin: 2.6% · Receipts: $243.6B

Financial Detail

Total Tax Returns Filed
50,815
Avg Receipts per Business
$4.8B
Annual Payroll (Total)
$96.0B
Avg Employees per Establishment
27.2

Sub-Industries

Industry Profit Margin
Highway, Street, and Bridge Construction

NAICS 2373

3.3%
Land Subdivision

NAICS 2372

-2.4%
Other Heavy and Civil Engineering Construction

NAICS 2379

N/A
Utility System Construction

NAICS 2371

N/A

Top States by Employment

State Employment
Texas 178,438
California 80,469
Florida 63,325
Louisiana 59,988
North Carolina 39,662
Pennsylvania 34,363
Georgia 31,216
New York 30,029
Illinois 29,689
Virginia 28,607

Showing top 10 of 51 states

SBA Lending Activity

SBA FY2020–2026

SBA Loans Approved

2,034

Total Loan Volume

$1.3B

Avg Loan Size

$618K

Jobs Supported

29,405

Program Breakdown

7(a) 1,830 (90%)
504 204 (10%)

Top SBA Lender

The Huntington National Bank

175 loans in this industry

New Business Share

26.6% of borrowers were new/startup businesses

Annual Lending Trend (7 yrs)

2020
288
2021
326
2022
236
2023
308
2024
421
2025
418
2026
37

Frequently Asked Questions

What is the average revenue for Heavy and Civil Engineering Construction?
$243.6B in total annual receipts across all Heavy and Civil Engineering Construction businesses. Average per business: $4.8B.
How profitable is Heavy and Civil Engineering Construction?
2.6% net profit margin, significantly below average, typical of high-volume, low-margin sectors.
How many businesses are in Heavy and Civil Engineering Construction?
38,612 business establishments. Together they employ 1,051,261 workers.
What is the average payroll per employee in Heavy and Civil Engineering Construction?
$91,313/yr average annual pay per employee. Businesses average 27.2 employees per establishment.
Which states have the most Heavy and Civil Engineering Construction employment?
Texas leads with 178,438 workers. California (80,469) and Florida (63,325) round out the top three.
How much SBA lending does Heavy and Civil Engineering Construction receive?
Heavy and Civil Engineering Construction businesses received 2,034 SBA loans totaling $1.3 billion between FY2020 and FY2026. The average loan size was $618K. These loans supported 29,405 jobs at origination. Most lending (90%) 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.

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 Heavy and Civil Engineering Construction

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 237 · 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.