> 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/brooklyn-ny/

# Companies in Brooklyn, NY

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

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

## Industries in Brooklyn

- [Construction Companies in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/construction/): Construction
- [Hospitals and Health Care Organizations in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/hospitals-and-health-care/): Hospitals and Health Care
- [Advertising Agencies in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/advertising-services/): Advertising Services
- [Software Companies in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/software-development/): Software Development
- [Real Estate Companies in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/real-estate/): Real Estate
- [Technology and Internet Companies in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/technology-information-and-internet/): Technology; Information and Internet
- [Education Organizations in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/education-administration-programs/): Education Administration Programs
- [IT Services Companies in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/it-services-and-it-consulting/): IT Services and IT Consulting
- [Nonprofit Organizations in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/non-profit-organizations/): Non-profit Organizations
- [Design Firms in Brooklyn](https://enrich.chat/companies-in/brooklyn-ny/design-services/): Design Services

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