Free top 10 of 89
| # | Company | City | Industry | Staff | 1-yr growth |
|---|---|---|---|---|---|
| 1 | Thornova Solar | Fremont | Electronics | 100-249 | 200%+ (estimated) |
| 2 | Pico Electronics | Pelham | Electronics | 100-249 | +100–200% |
| 3 | Natronix Semiconductor Technology | Cupertino | Electronics | 100-249 | +100–200% |
| 4 | Maverick Power | McKinney | Electronics | 500-999 | +50–100% |
| 5 | Astera Labs | San Jose | Electronics | 500-999 | +50–100% |
| 6 | Pioneer Electronics USA | Torrance | Electronics | 500-999 | +50–100% |
| 7 | Liberty Electronics | Franklin | Electronics | 250-499 | +50–100% |
| 8 | Lyten | San Jose | Electronics | 250-499 | +50–100% |
| 9 | Riedon | Alhambra | Electronics | 100-249 | +50–100% |
| 10 | Skylight | West Hollywood | Electronics | 100-249 | +50–100% |
Edition October 2026. Source: licensed B2B firmographic and technographic data. Company-level only.
What the data shows
- Most common growth band: +20–50% (70 of 89 companies, 79%).
- 3 of 89 (3%) at least doubled headcount in a year (figures over 200% are estimates).
- Biggest industries: Electronics (89).
- San Jose has the most (10 of 89, 11%); the list spans 70 towns and cities.
- Size mix: 58 with 50–199, 31 with 200+ (median 105 employees).
Get all 89: $7
CSV + Excel + PDF with website, size, growth and revenue bands and a careers search link for every company.
Secure card checkout by Dodo Payments. Your files (CSV, Excel, PDF) are emailed to your checkout address, normally the same day; questions: labskaruna@gmail.com. One-time payment. 14-day money-back guarantee (refund policy).
Notes and limits
- 1-year headcount growth from licensed B2B firmographic and technographic data. Companies with 50–1,000 staff that grew 20%+ in a year. US file: 25 largest metro areas.
- Growth is shown as a band: +20–50%, +50–100%, +100–200% or 200%+ (estimated). Within a band, companies are listed largest first; the order inside a band is not a growth ranking.
- "200%+ (estimated)" means the growth figure is above 200% and has not been verified; treat it as an estimate.
- Likely branches of larger groups, schools, academy trusts, colleges and university units are left out.
- Growth is a signal, not a guarantee of open roles or budget.
- Company-level data only: no personal contacts.
Related lists
- Fast-growing companies in the UK: full list, all sectors (4005 companies)
- Fastest-growing Construction companies in the UK (100 companies)
- Fastest-growing Consulting companies in the UK (100 companies)
- Fastest-growing Engineering & Architecture companies in the UK (100 companies)
- Fastest-growing Finance & Insurance companies in the UK (100 companies)
- Fastest-growing Healthcare & Care companies in the UK (100 companies)
- Fastest-growing Hospitality companies in the UK (100 companies)
- Fastest-growing IT Services companies in the UK (100 companies)
All: Fastest-growing companies by industry: UK, US, Netherlands, Canada, Ireland · All global lists
FAQ
- How is growth measured?
- 1-year change in headcount from licensed B2B firmographic and technographic data, shown as a band. Within a band, larger companies come first. Figures over 200% are estimates.
- Who is this for?
- Job seekers who want companies that are adding people, and B2B sellers, recruiters and agencies looking for companies with new budget.
- What do I get for $7?
- All 89 companies with website, city, sector, industry, size band, growth band, revenue band and careers link, as CSV, Excel and PDF.