> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/california/semiconductors/ # Semiconductor companies in California Larger semiconductor companies headquartered in California: who they are, what they run and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger semiconductor companies headquartered in California include Intel, AMD, KLA, Lam Research and Skyworks Solutions. Below are the tools that stand out, where they are based and how big they are. ## Which semiconductor companies are headquartered in California? They include Intel, AMD, KLA, Lam Research and Skyworks Solutions. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | [AMD](https://enrich.chat/company/amd/) | 25,000 to 50,000 | 26 | | Atmel | 2,000 to 5,000 | 9 | | Coherent | 5,000 to 10,000 | 30 | | Enphase Energy | 2,000 to 5,000 | 60 | | [Intel](https://enrich.chat/company/intel/) | 100,000+ | 42 | | [KLA](https://enrich.chat/company/kla/) | 10,000 to 25,000 | 32 | | [Lam Research](https://enrich.chat/company/lam-research/) | 10,000 to 25,000 | 28 | | Marvell Technology | 5,000 to 10,000 | 31 | | Maxim Integrated | 5,000 to 10,000 | 6 | | [Skyworks Solutions](https://enrich.chat/company/skyworks-solutions/) | 10,000 to 25,000 | 28 | | SolarCity | 2,000 to 5,000 | 7 | ## What technology do semiconductor companies in California use? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among semiconductor companies in California.** Bars for the share of listed semiconductor companies in California where each tool was detected, with a tick for the share across everything listed: Oracle Eloqua 27% against 5%, Akamai RUM 18% against 2%, Atlassian Confluence 18% against 3%, Baidu Ads 18% against 3%, Constant Contact 18% against 2%, Demandbase 18% against 2%. *Share of listed semiconductor companies in California where each tool was detected. The tick marks the share across all listed organizations.* ## Where in California are they based? The bars show the headquarters city of the listed semiconductor companies. **Figure: Headquarters cities of semiconductor companies in California.** Bars for the share of listed semiconductor companies in California headquartered in each city: Santa Clara 36%, Fremont 18%, San Jose 18%, Milpitas 9%, Irvine 9%, San Mateo 9%. *Share of listed semiconductor companies in California by headquarters city.* ## How big are semiconductor companies in California? The columns show how they spread across six size ranges. **Figure: Size of semiconductor companies in California.** Six columns for the share of listed semiconductor companies in California in each size range: 2-5K 27%, 5-10K 27%, 10-25K 27%, 25-50K 9%, 50-100K 0%, 100K+ 9%. *Share of listed semiconductor companies in California in each size range.* ## More to explore Other industries in California: [Information technology and services](https://enrich.chat/companies-in/california/information-technology-and-services/)[Hospitals and health care](https://enrich.chat/companies-in/california/hospitals-and-health-care/)[Retail](https://enrich.chat/companies-in/california/retail/)[Entertainment](https://enrich.chat/companies-in/california/entertainment/)[Financial services](https://enrich.chat/companies-in/california/financial-services/)[Higher education](https://enrich.chat/companies-in/california/higher-education/)[Government administration](https://enrich.chat/companies-in/california/government-administration/)[Apparel and fashion](https://enrich.chat/companies-in/california/apparel-and-fashion/)[Medical devices](https://enrich.chat/companies-in/california/medical-devices/)[Research](https://enrich.chat/companies-in/california/research/)[All of California](https://enrich.chat/companies-in/california/) Semiconductors elsewhere: [United States](https://enrich.chat/companies-in/united-states/semiconductors/)[Semiconductors](https://enrich.chat/industries/semiconductors/) ## How do you reach engineering directors, procurement heads and CTOs at semiconductor companies in California? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find engineering directors, procurement heads and CTOs at [company] in California, with titles and verified work emails ``` ## Frequently asked questions ### Which semiconductor companies are headquartered in California? They include Intel, AMD, KLA, Lam Research and Skyworks Solutions. The page lists a selection with links to their profiles. ### What technology do semiconductor companies in California use? Tools that stand out include Oracle Eloqua, Akamai RUM, Atlassian Confluence and Baidu Ads. ### How big are semiconductor companies in California? They range from about 2,000 employees to well over 100,000. The columns on this page show the spread. ### Who do you sell to? Usually engineering directors, procurement heads and CTOs. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find engineering directors, procurement heads and CTOs ```text Use www.enrich.chat to find engineering directors, procurement heads and CTOs at [company] in California, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software and technology services companies in California](https://enrich.chat/companies-in/california/information-technology-and-services/) - [Hospitals and health systems in California](https://enrich.chat/companies-in/california/hospitals-and-health-care/) - [Retailers in California](https://enrich.chat/companies-in/california/retail/) - [Entertainment companies in California](https://enrich.chat/companies-in/california/entertainment/) - [Semiconductor companies in the United States](https://enrich.chat/companies-in/united-states/semiconductors/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)