Best Data Sources for Company Search by Industry, Size, Revenue for TAM and ICP Mapping

I’m curious what everyone uses as a primary or foundation source for company search by basic attributes such as industries, company size, revenue, etc. Do most of you use Clay’s default Find Companies or start with a different data source and then enrich and segment? Assume the goals is first pass at mapping TAM and ICP fit accounts based on basic attributes above as the first step.