Profit Margin
9.5%
Net income ÷ total receipts (IRS SOI)
Manufacturing ·NAICS 3315
NAICS 3315 · IRS SOI 2023 · Census CBP
Foundries - Industry Benchmarks
$67,263/yr average annual pay, with 52 SBA loans on record for NAICS 3315.
- 9.5%
- Net margin
- 107K
- Workers employed
- $67,263/yr
- Avg payroll / employee
- $53M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 3315
Foundries runs a 9.5% pre-tax net margin - in line with the national median - across 1K establishments employing 107K workers.
- 9.5%
- Pre-tax net margin (IRS SOI)
- 107K
- Workers employed (Census CBP)
- $67,263/yr
- Avg payroll / employee
- $53M
- SBA lending, FY20–26
Benchmarking Insights for Foundries
Foundries sits inside Manufacturing at a 9.5% net margin (in line with the national median), $28.9B in aggregate receipts across 1,433 returns, averaging $20.2B per establishment.
1,335 establishments employ 107,273 workers (80.3/location) at $67,263/yr average annual pay. Michigan leads employment, followed by Indiana and Pennsylvania.
Total Receipts
$28.9B
Annual revenue (IRS SOI)
Net Income
$2.7B
Pre-tax net income
Employment
107,273
Total employees (Census CBP)
Avg Payroll / Employee
$67,263/yr
Annual compensation
Establishments
1,335
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment increased by 881; establishment count decreased by 32. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Where each dollar of Foundries revenue goes
Workforce scale
Foundries margin vs national reference points
Foundries net margin 31.6%
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
1,433 returns 100%
Margin: 9.5% · Receipts: $28.9B
Financial Detail
- Total Tax Returns Filed
- 1,433
- Avg Receipts per Business
- $20.2B
- Annual Payroll (Total)
- $7.2B
- Avg Employees per Establishment
- 80.3
Sub-Industries
| Industry | Profit Margin |
|---|---|
| Ferrous Metal Foundries NAICS 33151 | N/A |
| Nonferrous Metal Foundries NAICS 33152 | N/A |
Top States by Employment
| State | Employment |
|---|---|
| Michigan | 9,236 |
| Indiana | 8,877 |
| Pennsylvania | 6,840 |
| Alabama | 5,804 |
| Illinois | 5,240 |
| Oregon | 4,781 |
| Texas | 4,465 |
| California | 4,011 |
| Minnesota | 3,422 |
| Tennessee | 3,405 |
Showing top 10 of 45 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
52
Total Loan Volume
$53M
Avg Loan Size
$1022K
Jobs Supported
1,085
Program Breakdown
7(a) 43 (83%)
504 9 (17%)
Top SBA Lender
U.S. Bank, National Association
3 loans in this industry
New Business Share
9.6% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 9
2021 8
2022 8
2023 7
2024 8
2025 11
2026 1
Frequently Asked Questions
What is the average revenue for Foundries?
$28.9B in total annual receipts across all Foundries businesses. Average per business: $20.2B.
How profitable is Foundries?
9.5% net profit margin, in line with the national median.
How many businesses are in Foundries?
1,335 business establishments. Together they employ 107,273 workers.
What is the average payroll per employee in Foundries?
$67,263/yr average annual pay per employee. Businesses average 80.3 employees per establishment.
Which states have the most Foundries employment?
Michigan leads with 9,236 workers. Indiana (8,877) and Pennsylvania (6,840) round out the top three.
How much SBA lending does Foundries receive?
Foundries businesses received 52 SBA loans totaling $53 million between FY2020 and FY2026. The average loan size was $1022K. These loans supported 1,085 jobs at origination. Most lending (83%) 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: Foundries reports a higher net margin than 80% of the 126 IRS-tracked industries at the same NAICS detail level. Its Census employment total exceeds 35% 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 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 Foundries
- Net margin: 9.5% vs sector. Browse Manufacturing
- 1,335 establishments, 107,273 workers. Payroll benchmarks
- 52 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 3315 · 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.