Employment
57,092
Total employees (Census CBP)
Manufacturing ·NAICS 33151
NAICS 33151 · IRS SOI 2023 · Census CBP
Ferrous Metal Foundries - Industry Benchmarks
$69,578/yr average annual pay, with 19 SBA loans on record for NAICS 33151.
- 516
- Establishments
- 57K
- Workers employed
- $69,578/yr
- Avg payroll / employee
- $15M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 33151
Michigan leads Ferrous Metal Foundries activity nationally, across 516 establishments employing 57K workers. IRS SOI doesn't publish margin data at this NAICS level.
- 516
- Business establishments (Census)
- 57K
- Workers employed (Census CBP)
- $69,578/yr
- Avg payroll / employee
- $15M
- SBA lending, FY20–26
Benchmarking Insights for Ferrous Metal Foundries
Ferrous Metal Foundries sits inside Manufacturing.
516 establishments employ 57,092 workers (110.6/location) at $69,578/yr average annual pay. Michigan leads employment, followed by Ohio and Alabama.
Avg Payroll / Employee
$69,578/yr
Annual compensation
Establishments
516
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment increased by 481; establishment count decreased by 30. 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)
- $4.0B
- Avg Employees per Establishment
- 110.6
Sub-Industries
| Industry | Profit Margin |
|---|---|
| Iron Foundries NAICS 331511 | N/A |
| Steel Foundries (except Investment) NAICS 331513 | N/A |
| Steel Investment Foundries NAICS 331512 | N/A |
Top States by Employment
| State | Employment |
|---|---|
| Michigan | 4,993 |
| Ohio | 4,569 |
| Alabama | 4,327 |
| Pennsylvania | 3,888 |
| Texas | 3,636 |
| California | 1,790 |
| Tennessee | 1,451 |
| Minnesota | 1,386 |
| Washington | 1,219 |
| Kansas | 1,182 |
Showing top 10 of 35 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
19
Total Loan Volume
$15M
Avg Loan Size
$802K
Jobs Supported
389
Program Breakdown
7(a) 18 (95%)
504 1 (5%)
Top SBA Lender
TD Bank, National Association
2 loans in this industry
New Business Share
10.5% of borrowers were new/startup businesses
Annual Lending Trend (6 yrs)
2020 4
2021 2
2022 1
2023 3
2024 5
2025 4
Frequently Asked Questions
How many businesses are in Ferrous Metal Foundries?
516 business establishments. Together they employ 57,092 workers.
What is the average payroll per employee in Ferrous Metal Foundries?
$69,578/yr average annual pay per employee. Businesses average 110.6 employees per establishment.
Which states have the most Ferrous Metal Foundries employment?
Michigan leads with 4,993 workers. Ohio (4,569) and Alabama (4,327) round out the top three.
How much SBA lending does Ferrous Metal Foundries receive?
Ferrous Metal Foundries businesses received 19 SBA loans totaling $15 million between FY2020 and FY2026. The average loan size was $802K. These loans supported 389 jobs at origination. Most lending (95%) 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 42% of that same 551-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 Ferrous Metal Foundries
- No margin data, check the parent industry. Browse Manufacturing
- 516 establishments, 57,092 workers. Payroll benchmarks
- 19 SBA loans on record. SBA lending 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 33151 · 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.
Read our methodology - how this data is sourced, computed, and verified.
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.