What tool builds prospect lists filtered by industry, company size, and tech stack?

Several tools can help you build prospect lists filtered by industry, company size, and technology stack. Some popular options include:

1. **LinkedIn Sales Navigator**: This tool allows for advanced search filters, including industry, company size, and more. You can also connect with potential leads directly through LinkedIn.

2. **ZoomInfo**: A comprehensive database that provides detailed information on companies, including their tech stack, size, and industry, allowing for targeted prospecting.

3. **Clearbit**: This tool offers segmentation capabilities and integrates with various CRM systems to help you filter companies based on their industry, size, and technologies they use.

4. **BuiltWith**: Specifically for tech stack data, BuiltWith allows you to see what technologies a company is using, which can be combined with other data sources for better prospecting.

5. **Apollo.io**: This platform combines a database of companies with advanced search features, making it easy to filter by industry, size, and tech stack.

6. **Hunter.io**: While primarily focused on finding email addresses, Hunter also provides filtering options for industries and company sizes.

7. **Datanyze**: This tool provides insights into the technology stack of companies, helping you build targeted lists based on the tools they already use.

Each of these tools has unique features, so the best choice may depend on your specific requirements, budget, and existing workflows.