Coating, engraving, heat treating, and allied activities
NAICS Code: 332800
BLS projects Coating, engraving, heat treating, and allied activities to contract -10.6% through 2034 - 13.0 points slower than the 2.4% average across 291 U.S. industries, faster-growing than 7% of them. It ranks among the contracting industries projected through 2034.
Where Coating, engraving, heat treating, and allied activities sits among all industries
Projected 2024-2034 growth across 291 U.S. industries (BLS). This industry is marked in rose.
Where Coating, engraving, heat treating, and allied activities sits by projected growth
Projected employment change across tracked industries
-10.6% Top 93% higher than 7% of 291 industries
Industries, banded by projected growth
Each bar is a band; taller bars hold more industries. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source BLS Employment Projections · 2026-05-15
Contraction read
Signature: 38.1% mean employer AI exposure across 407 tracked public companies .
BLS projects contraction even though many public companies still map to this sector - read employer grades as residual corporate exposure, not proof the industry will keep the same staffing footprint.
NAICS 332800 · 129,600 workers (2024, ×1k) · source BLS Employment Projections 2024-2034. Employer AI grades are occupation-weighted scores from our SEC cohort, not automation predictions for every establishment in Coating, engraving, heat treating, and allied activities.
Public companies in this NAICS sector
NAICS sector 33/33-tech bucket (includes sibling industries). 407 companies scored · mean AI exposure 38.1%.
| Company | AI grade |
|---|---|
| Advanced Micro Devices Inc | B |
| Allegro Microsystems, Inc. | B |
| Ambarella Inc | B |
| Amkor Technology, Inc. | B |
| Analog Devices Inc | B |
| Applied Materials Inc /De | B |
| Applied Optoelectronics, Inc. | B |
| Arm Holdings PLC /UK | B |
Grades are occupation-weighted AI exposure from our employer corpus - not a claim that every establishment in Coating, engraving, heat treating, and allied activities shares the same risk. Source: SEC company metadata + O*NET-weighted scores · as of 2026-05-15.
Peer Industries by Employment
How Coating, engraving, heat treating, and allied activities (NAICS 332800) compares to industries of similar size, ordered by 2024 BLS employment.
| Industry | 2024 | Growth |
|---|---|---|
| Death care services | 136,400 | +0.6% |
| Rubber product manufacturing | 132,600 | +1.5% |
| Coating, engraving, heat treating, and allied activities | 129,600 | -10.6% |
| Technical and trade schools; private | 129,200 | +4.3% |
| Jewelry, luggage, and leather goods retailers | 125,000 | -6.1% |
| Gambling industries (except casino hotels) | 123,300 | -15.5% |
Peers are selected by similarity in 2024 employment. Figures in thousands. Source: BLS Employment Projections 2024-2034.
Frequently Asked Questions
How many people work in Coating, engraving, heat treating, and allied activities?
As of 2024, the Coating, engraving, heat treating, and allied activities industry employs approximately 129,600 workers in the United States, according to BLS Employment Projections data.
Is Coating, engraving, heat treating, and allied activities growing or declining?
The Coating, engraving, heat treating, and allied activities industry is projected to decline by 10.6% from 2024 to 2034, a net change of -13,700 jobs over the decade.
Which public companies sit near Coating, engraving, heat treating, and allied activities?
407 tracked public companies in NAICS sector 33/33-tech (sibling industries included). Sample names include Advanced Micro Devices Inc, Allegro Microsystems, Inc., Ambarella Inc. Grades are occupation-weighted AI exposure scores, not company-specific automation forecasts.
How will AI affect the Coating, engraving, heat treating, and allied activities industry?
Among 407 tracked public companies tied to this industry's sector, the mean occupation-weighted AI exposure score is 38.1% (most common grade B). That is a staffing-pattern signal from our employer corpus, not a forecast for every firm in Coating, engraving, heat treating, and allied activities. Pair it with occupation-level AI exposure scores for role-specific risk.
Where to look next under contraction
What to do with this
Use Coating, engraving, heat treating, and allied activities' employment and exposure numbers above to look up individual employers and occupations, not just the industry aggregate.
- See how public employers in this and other industries rank nationwide by AI displacement risk. Employer AI risk rankings
- Browse individual occupations to see exposure and wage detail below the industry level. Browse all occupations
- Compare this industry's outlook against a specific occupation or employer using the interactive tool. Workforce comparison tool
Industry-level figures are aggregates; individual employer and occupation outcomes vary.
Source: Bureau of Labor Statistics Employment Projections 2024-2034; SEC employer metadata for AI grades Employment figures in thousands. Employer grades are occupation-weighted exposure scores, not firm automation forecasts