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# Companies in San Jose, CA

Pick an industry to see the bigger companies headquartered in San Jose, CA, what they do and how big they are.

By Enrich.chat Editorial. Updated October 22, 2026.

## Industries in San Jose

- [Software Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/software-development/): Software Development
- [Construction Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/construction/): Construction
- [IT Services Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/it-services-and-it-consulting/): IT Services and IT Consulting
- [Technology and Internet Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/technology-information-and-internet/): Technology; Information and Internet
- [Real Estate Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/real-estate/): Real Estate
- [Advertising Agencies in San Jose](https://enrich.chat/companies-in/san-jose-ca/advertising-services/): Advertising Services
- [Semiconductor Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/semiconductor-manufacturing/): Semiconductor Manufacturing
- [Electrical and Electronics Manufacturers in San Jose](https://enrich.chat/companies-in/san-jose-ca/appliances-electrical-and-electronics-manufacturing/): Appliances; Electrical; and Electronics Manufacturing
- [Financial Services Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/financial-services/): Financial Services
- [Nonprofit Organizations in San Jose](https://enrich.chat/companies-in/san-jose-ca/non-profit-organizations/): Non-profit Organizations
- [Hospitals and Health Care Organizations in San Jose](https://enrich.chat/companies-in/san-jose-ca/hospitals-and-health-care/): Hospitals and Health Care
- [Facilities Services Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/facilities-services/): Facilities Services
- [Staffing and Recruiting Firms in San Jose](https://enrich.chat/companies-in/san-jose-ca/staffing-and-recruiting/): Staffing and Recruiting
- [Telecommunications Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/telecommunications/): Telecommunications
- [Consulting Firms in San Jose](https://enrich.chat/companies-in/san-jose-ca/business-consulting-and-services/): Business Consulting and Services
- [Medical Device Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/medical-equipment-manufacturing/): Medical Equipment Manufacturing
- [Cybersecurity Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/computer-and-network-security/): Computer and Network Security

**Short answer:** Browse the bigger companies headquartered in San Jose, CA by industry. Each page lists up to 25 of the biggest by headcount range, what they do and how big they are.

## Key takeaways

- Each page lists up to 25 of the biggest companies in one industry.
- Sizes are ranges, never exact headcounts.
- Ask your AI agent to use www.enrich.chat to find the people at any of them.

## Frequently asked questions

### How are the companies chosen?

Companies shown have a working website that matches their name and list San Jose, CA as their headquarters. The biggest by headcount range come first.