Profit Margin
6.0%
Net income ÷ total receipts (IRS SOI)
Manufacturing ·NAICS 3328
NAICS 3328 · IRS SOI 2023 · Census CBP
Coating, Engraving, Heat Treating, and Allied Activities - Industry Benchmarks
$59,236/yr average annual pay, with 417 SBA loans on record for NAICS 3328.
- 6.0%
- Net margin
- 121K
- Workers employed
- $59,236/yr
- Avg payroll / employee
- $353M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 3328
Coating, Engraving, Heat Treating, and Allied Activities runs a 6.0% pre-tax net margin - below the national median - across 5K establishments employing 121K workers.
- 6.0%
- Pre-tax net margin (IRS SOI)
- 121K
- Workers employed (Census CBP)
- $59,236/yr
- Avg payroll / employee
- $353M
- SBA lending, FY20–26
Benchmarking Insights for Coating, Engraving, Heat Treating, and Allied Activities
Coating, Engraving, Heat Treating, and Allied Activities sits inside Manufacturing at a 6.0% net margin (below the national median), $12.9B in aggregate receipts across 2,843 returns, averaging $4.5B per establishment.
5,359 establishments employ 120,955 workers (22.6/location) at $59,236/yr average annual pay. California leads employment, followed by Ohio and Michigan.
Total Receipts
$12.9B
Annual revenue (IRS SOI)
Net Income
$772.4M
Pre-tax net income
Employment
120,955
Total employees (Census CBP)
Avg Payroll / Employee
$59,236/yr
Annual compensation
Establishments
5,359
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
Employment increased by 2,938; establishment count decreased by 48. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Where each dollar of Coating, Engraving, Heat Treating, and Allied Activities revenue goes
Workforce scale
Coating, Engraving, Heat Treating, and Allied Activities margin vs national reference points
Coating, Engraving, Heat Treating, and Allied Activities net margin 20.0%
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
2,843 returns 100%
Margin: 6.0% · Receipts: $12.9B
Financial Detail
- Total Tax Returns Filed
- 2,843
- Avg Receipts per Business
- $4.5B
- Annual Payroll (Total)
- $7.2B
- Avg Employees per Establishment
- 22.6
Sub-Industries
| Industry | Profit Margin |
|---|---|
| Coating, Engraving, Heat Treating, and Allied Activities NAICS 33281 | N/A |
Top States by Employment
| State | Employment |
|---|---|
| California | 13,930 |
| Ohio | 11,585 |
| Michigan | 11,400 |
| Texas | 9,768 |
| Illinois | 7,900 |
| Indiana | 6,971 |
| Wisconsin | 6,544 |
| Pennsylvania | 5,710 |
| Massachusetts | 4,012 |
| New York | 3,719 |
Showing top 10 of 49 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
417
Total Loan Volume
$353M
Avg Loan Size
$848K
Jobs Supported
5,303
Program Breakdown
7(a) 316 (76%)
504 101 (24%)
Top SBA Lender
U.S. Bank, National Association
20 loans in this industry
New Business Share
21.3% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 46
2021 90
2022 80
2023 53
2024 64
2025 73
2026 11
Frequently Asked Questions
What is the average revenue for Coating, Engraving, Heat Treating, and Allied Activities?
$12.9B in total annual receipts across all Coating, Engraving, Heat Treating, and Allied Activities businesses. Average per business: $4.5B.
How profitable is Coating, Engraving, Heat Treating, and Allied Activities?
6.0% net profit margin, below the national median.
How many businesses are in Coating, Engraving, Heat Treating, and Allied Activities?
5,359 business establishments. Together they employ 120,955 workers.
What is the average payroll per employee in Coating, Engraving, Heat Treating, and Allied Activities?
$59,236/yr average annual pay per employee. Businesses average 22.6 employees per establishment.
Which states have the most Coating, Engraving, Heat Treating, and Allied Activities employment?
California leads with 13,930 workers. Ohio (11,585) and Michigan (11,400) round out the top three.
How much SBA lending does Coating, Engraving, Heat Treating, and Allied Activities receive?
Coating, Engraving, Heat Treating, and Allied Activities businesses received 417 SBA loans totaling $353 million between FY2020 and FY2026. The average loan size was $848K. These loans supported 5,303 jobs at origination. Most lending (76%) 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: Coating, Engraving, Heat Treating, and Allied Activities reports a higher net margin than 59% of the 126 IRS-tracked industries at the same NAICS detail level. Its Census employment total exceeds 38% 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.
- Other Residential Care Facilities 118,478
- Electrical Equipment Manufacturing 125,655
- Consumer Goods Rental 115,060
Benchmarking Coating, Engraving, Heat Treating, and Allied Activities
- Net margin: 6.0% vs sector. Browse Manufacturing
- 5,359 establishments, 120,955 workers. Payroll benchmarks
- 417 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 3328 · 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.