# Insights & Updates

B2B data, APIs, and building with company intelligence. Written by the CompanyEnrich team.

**How to Find Competitors of a Company: 5-Step Workflow**  
A practical guide to finding company competitors at B2B scale — from manual research to API-driven workflows using lookalike companies, qualification signals, and AI agents.  
[Read more →](https://companyenrich.com/blog/how-to-find-competitors-of-a-company)

**NAICS Codes for B2B Sales: 3 Use Cases, Pitfalls and AI Workflow**  
How NAICS codes work for RevOps: reading the hierarchy, where SIC causes problems, 3 real use cases, why your CRM codes are often wrong, and how to get clean NAICS data without manual lookups.  
[Read more →](https://companyenrich.com/blog/naics-codes-b2b-sales)

**Reverse Email Lookup: How It Works, Limitations, and How to Pick a Provider**  
A deep guide to reverse email lookup tools — how they work under the hood, where they break, and how to evaluate providers.  
[Read more →](https://companyenrich.com/blog/reverse-email-lookup-guide)