Marketing → Customer.io

Companies Using Customer.io

B2B companies running Customer.io (marketing), detected from the live web by Kustiq's deterministic fingerprint engine. Profiled by AI · tech stack, funding, competitors, churn risk · free, no card.

Free · No card · 3 full profiles per week

Hundreds in this verticalRefreshed every 5 minutesHow we build profiles

Profile the first customer.io company

We haven't cached this vertical yet. Paste any customer.iodomain below and we'll generate a snapshot in ~10 seconds.

Browse full directory

Other marketing technologies

Browse adjacent marketing technologies, free.

HubSpot Intercom Drift Crisp Zendesk Freshdesk LiveChat Tawk.to Olark Mailchimp Klaviyo ActiveCampaign Marketo Pardot OptinMonster Sumo

Browse the full tech stack directory →

Sell to companies running Customer.io, faster

Full profiles add SMTP-verified decision-makers, churn risk scoring, buying signals, and account tier, generated in 60 seconds from real-time web signals. 3 full profiles every week, free, no card.

Profile a Customer.io customer free