Lemlist

Clay is a go-to-market platform that combines data enrichment from many sources with AI and workflow automation. Sales and growth teams use it to build targeted lists and personalize outreach at scale. It was founded in 2017 and became a unicorn in 2025.

Peregrine OS is a suite of nine B2B intelligence tools built for agency new business, consulting BD, and brand/growth marketing teams competing for brand marketing budgets. All nine run on Flightpath.AI, the intelligence layer underneath the suite: it reads...

Smartlead is a cold email outreach tool built for sending at scale with unlimited mailboxes and automated warmup. It offers a unified master inbox and inbox rotation to help protect sender reputation. It was founded in 2022 in Sydney, Australia.

Apollo.io combines a large B2B contact database with sales engagement and outreach tools. Teams use it to find prospects, enrich records, and run email sequences from one platform. It launched as ZenProspect in 2015 and later rebranded to Apollo.