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# Companies in Cincinnati, OH

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

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

## Industries in Cincinnati

- [Construction Companies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/construction/): Construction
- [Hospitals and Health Care Organizations in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/hospitals-and-health-care/): Hospitals and Health Care
- [Real Estate Companies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/real-estate/): Real Estate
- [Advertising Agencies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/advertising-services/): Advertising Services
- [Software Companies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/software-development/): Software Development
- [IT Services Companies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/it-services-and-it-consulting/): IT Services and IT Consulting
- [Financial Services Companies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/financial-services/): Financial Services
- [Nonprofit Organizations in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/non-profit-organizations/): Non-profit Organizations
- [Consulting Firms in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/business-consulting-and-services/): Business Consulting and Services
- [Facilities Services Companies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/facilities-services/): Facilities Services
- [Machinery Manufacturers in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/machinery-manufacturing/): Machinery Manufacturing
- [Insurance Companies in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/insurance/): Insurance
- [Staffing and Recruiting Firms in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/staffing-and-recruiting/): Staffing and Recruiting
- [Manufacturers in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/manufacturing/): Manufacturing
- [Motor Vehicle Manufacturers in Cincinnati](https://enrich.chat/companies-in/cincinnati-oh/motor-vehicle-manufacturing/): Motor Vehicle Manufacturing

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