"SaaS" is not an industry code. Software companies are filed under everything from consulting to publishing. Buzzlist uses company fingerprints, the mix of engineers, product and customer-success roles plus the description, and can classify the business model on demand, with the evidence shown beside each company.
Titles vary too: VP Marketing, Head of Growth, CMO, Director of Demand Generation. Semantic title search finds the neighbours and you choose which count as "leader" for your offer.
Set the size band so you reach companies with a real marketing budget but no procurement wall, and require a verified work email if you are running sequences. The breakdown shows the split by seniority and state so you can plan territories.
Then let the Sales Brief do the reading: recent launches, hiring, what they promise on the site, and who else is on the buying committee.
