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# Companies in Plano, TX

Pick an industry to see the bigger companies headquartered in Plano, TX, what they do and how big they are.

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

## Industries in Plano

- [IT Services Companies in Plano](https://enrich.chat/companies-in/plano-tx/it-services-and-it-consulting/): IT Services and IT Consulting
- [Software Companies in Plano](https://enrich.chat/companies-in/plano-tx/software-development/): Software Development
- [Real Estate Companies in Plano](https://enrich.chat/companies-in/plano-tx/real-estate/): Real Estate
- [Hospitals and Health Care Organizations in Plano](https://enrich.chat/companies-in/plano-tx/hospitals-and-health-care/): Hospitals and Health Care
- [Construction Companies in Plano](https://enrich.chat/companies-in/plano-tx/construction/): Construction
- [Financial Services Companies in Plano](https://enrich.chat/companies-in/plano-tx/financial-services/): Financial Services
- [Advertising Agencies in Plano](https://enrich.chat/companies-in/plano-tx/advertising-services/): Advertising Services
- [Staffing and Recruiting Firms in Plano](https://enrich.chat/companies-in/plano-tx/staffing-and-recruiting/): Staffing and Recruiting
- [Telecommunications Companies in Plano](https://enrich.chat/companies-in/plano-tx/telecommunications/): Telecommunications
- [Consulting Firms in Plano](https://enrich.chat/companies-in/plano-tx/business-consulting-and-services/): Business Consulting and Services
- [Insurance Companies in Plano](https://enrich.chat/companies-in/plano-tx/insurance/): Insurance

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