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# Companies in Los Angeles, CA

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

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

## Industries in Los Angeles

- [Advertising Agencies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/advertising-services/): Advertising Services
- [Software Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/software-development/): Software Development
- [Real Estate Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/real-estate/): Real Estate
- [Technology and Internet Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/technology-information-and-internet/): Technology; Information and Internet
- [Construction Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/construction/): Construction
- [IT Services Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/it-services-and-it-consulting/): IT Services and IT Consulting
- [Hospitals and Health Care Organizations in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/hospitals-and-health-care/): Hospitals and Health Care
- [Financial Services Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/financial-services/): Financial Services
- [Consulting Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/business-consulting-and-services/): Business Consulting and Services
- [Nonprofit Organizations in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/non-profit-organizations/): Non-profit Organizations
- [Law Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/law-practice/): Law Practice
- [Marketing Agencies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/marketing-services/): Marketing Services
- [Manufacturers in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/manufacturing/): Manufacturing
- [Wholesale Distributors in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/wholesale/): Wholesale
- [Design Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/design-services/): Design Services
- [Legal Services Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/legal-services/): Legal Services
- [Architecture Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/architecture-and-planning/): Architecture and Planning
- [Colleges and Universities in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/higher-education/): Higher Education
- [Staffing and Recruiting Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/staffing-and-recruiting/): Staffing and Recruiting
- [Education Organizations in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/education-administration-programs/): Education Administration Programs

**Short answer:** Browse the bigger companies headquartered in Los Angeles, 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 Los Angeles, CA as their headquarters. The biggest by headcount range come first.