Construction ·NAICS 23621

NAICS 23621 · IRS SOI (C corp) · Census CBP 2023

Industrial Building Construction - Industry Benchmarks

$92,768/yr average annual pay, with 494 SBA loans on record for NAICS 23621.

3.4%
Construction sector margin
75K
Workers employed
$92,768/yr
Avg payroll / employee
$307M
SBA lending, FY20–26

Data updated August 2026

The verdict · NAICS 23621

Texas leads Industrial Building Construction activity nationally. IRS SOI doesn't publish margin data at this NAICS level, but the broader Construction sector runs a 3.4% net margin.

3.4%
Construction sector margin (IRS SOI)
75K
Workers employed (Census CBP)
$92,768/yr
Avg payroll / employee
$307M
SBA lending, FY20–26

Use Industrial Building Construction's NAICS benchmark as a comparison point, not a forecast for one business.

Industrial Building Construction 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 Industrial Building Construction

Industrial Building Construction sits inside Construction, a sector that runs a 3.4% net margin overall.

3,380 establishments employ 75,224 workers (22.3/location) at $92,768/yr average annual pay. Texas leads employment, followed by Alabama and California.

Industrial Building Construction sits in the 51st percentile for employment among 5-digit NAICS industries with reported data.

Employment

75,224

Total employees (Census CBP)

Avg Payroll / Employee

$92,768/yr

Annual compensation

Establishments

3,380

Business locations

Release-over-release change

What changed from Census CBP 2022 to 2023

Employment increased by 95; establishment count increased by 207. 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)
$7.0B
Avg Employees per Establishment
22.3

Sub-Industries

Industry Profit Margin
Industrial Building Construction

NAICS 236210

N/A

Top States by Employment

State Employment
Texas 8,307
Alabama 3,893
California 3,783
Wisconsin 3,457
Ohio 3,309
Florida 3,271
Louisiana 3,142
Pennsylvania 2,724
Georgia 2,670
Michigan 2,613

Showing top 10 of 50 states

SBA Lending Activity

SBA FY2020–2026

SBA Loans Approved

494

Total Loan Volume

$307M

Avg Loan Size

$622K

Jobs Supported

6,461

Program Breakdown

7(a) 396 (80%)
504 98 (20%)

Top SBA Lender

Northeast Bank

57 loans in this industry

New Business Share

13.2% of borrowers were new/startup businesses

Annual Lending Trend (7 yrs)

2020
51
2021
74
2022
69
2023
56
2024
105
2025
122
2026
17

Frequently Asked Questions

How profitable is Industrial Building Construction?
IRS SOI doesn't publish margin data at the NAICS 23621 level. Texas leads this industry nationally. The broader Construction sector runs a 3.4% net margin (IRS SOI 2013 C corp).
How many businesses are in Industrial Building Construction?
3,380 business establishments. Together they employ 75,224 workers.
What is the average payroll per employee in Industrial Building Construction?
$92,768/yr average annual pay per employee. Businesses average 22.3 employees per establishment.
Which states have the most Industrial Building Construction employment?
Texas leads with 8,307 workers. Alabama (3,893) and California (3,783) round out the top three.
How much SBA lending does Industrial Building Construction receive?
Industrial Building Construction businesses received 494 SBA loans totaling $307 million between FY2020 and FY2026. The average loan size was $622K. These loans supported 6,461 jobs at origination. Most lending (80%) came through the SBA 7(a) program.

Nationwide industries with similar benchmark drivers

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

According to Census County Business Patterns 2023, Industrial Building Construction ranks #272 of 551 U.S. industries at the 5-digit NAICS level by total employment.

Similar workforce scale

Nearest peer industries by ABS(Census employment) (75,224 here).

Read with this industry: Industry employment trends · Construction · 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 23621 · 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.