Companies using Cloudflare.
Reach every one of them.
Find and reach companies that use Cloudflare. Filter Cloudflare users by industry, company size, geography, and the rest of their tech stack, then get verified emails for CTOs, DevOps, and Security leaders.
No credit card required · 10,000 free credits monthly
Target Cloudflare users precisely
Build a list of Cloudflare companies filtered by industry, size, geography, and co-installed tools
Verified Cloudflare detection
Sendburg tracks 14,000+ technologies and identifies companies running Cloudflare through multi-source signals.
Combine tech filters
Find companies using Cloudflare together with any other tool in your stack — or that use Cloudflare but not AWS.
Verified work emails
Multi-source validated emails for contacts at Cloudflare user companies, with an automatic credit refund on any undeliverable result.
Size & industry filters
Target Cloudflare users in specific industries, company sizes, and geographies to match your ICP exactly.
Cloudflare buying signals
Spot companies hiring for Cloudflare, expanding usage, or adding related tools — timely signals for adjacent products.
Decision-maker contacts
Reach CTOs, DevOps, and Security leaders — the people who evaluate and buy CDN and security-adjacent products.
Frequently asked questions
How does Sendburg identify companies using Cloudflare?
Sendburg detects technology adoption through multi-source signals including website technology detection, job postings, vendor data, and public records — then verifies contacts at those companies.
Can I filter Cloudflare users by industry and company size?
Yes. Narrow Cloudflare users by industry, company size, revenue, funding stage, geography, and additional technologies with 50+ filters.
What job titles should I target at Cloudflare companies?
CTOs, DevOps, and Security leaders are the key roles at Cloudflare shops, plus any decision-makers relevant to your offering.
Can I find companies that use Cloudflare and AWS?
Yes. Sendburg lets you combine technology filters, so you can find companies running Cloudflare, AWS, or any combination of tools at once.
Start free today
10,000 free credits every month. No credit card. No annual contract.
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