Foundries
NAICS Code: 331500
BLS projects Foundries to contract -14.7% through 2034 - 17.1 points slower than the 2.4% average across 291 U.S. industries, faster-growing than 4% of them. It ranks among the contracting industries projected through 2034.
Where Foundries sits among all industries
Projected 2024-2034 growth across 291 U.S. industries (BLS). This industry is marked in rose.
Where Foundries sits by projected growth
Projected employment change across tracked industries
-14.7% Top 96% higher than 4% 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 331500 · 106,000 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 Foundries.
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 Foundries shares the same risk. Source: SEC company metadata + O*NET-weighted scores · as of 2026-05-15.
Peer Industries by Employment
How Foundries (NAICS 331500) compares to industries of similar size, ordered by 2024 BLS employment.
| Industry | 2024 | Growth |
|---|---|---|
| Waste treatment and disposal | 108,400 | +3.9% |
| Labor unions and similar labor organizations | 107,200 | -3.3% |
| Support activities for agriculture and forestry | 106,200 | +1.0% |
| Foundries | 106,000 | -14.7% |
| Electronic and precision equipment repair and maintenance | 104,700 | +4.7% |
| Nonmetallic mineral mining and quarrying | 104,300 | +6.4% |
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 Foundries?
As of 2024, the Foundries industry employs approximately 106,000 workers in the United States, according to BLS Employment Projections data.
Is Foundries growing or declining?
The Foundries industry is projected to decline by 14.7% from 2024 to 2034, a net change of -15,600 jobs over the decade.
Which public companies sit near Foundries?
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 Foundries 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 Foundries. Pair it with occupation-level AI exposure scores for role-specific risk.
Where to look next under contraction
What to do with this
Use Foundries' 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