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Email Security among the Inc 5000, Y Combinator companies, the Fortune 500 and unicorns
Every Email Security tool the group crawls count, with each group's share. Bases: Inc 5000 4,888, Y Combinator 5,386, Fortune 500 472, Unicorns 1,000, SaaS 8,173, Tranco 1,572.
| Tool | Inc 5000 | Y Combinator | Fortune 500 | Unicorns | SaaS | Tranco |
|---|---|---|---|---|---|---|
| Proofpoint | 6.8% | n/a | n/a | n/a | n/a | n/a |
| Barracuda Email Protection | 2.3% | n/a | n/a | n/a | n/a | n/a |
| Mimecast | 2.0% | n/a | n/a | n/a | n/a | n/a |
| AppRiver | 0.8% | n/a | n/a | n/a | n/a | n/a |
| Sophos Email | 0.2% | n/a | n/a | n/a | n/a | n/a |
n/a means the tool is outside the counts published for that group. <5 means fewer than 5 crawled domains in that group.
In each group
- Email Security among the Inc 5000
- Email Security among Y Combinator companies
- Email Security among the Fortune 500
- Email Security among unicorns
- Email Security among SaaS companies
- Email Security among the Tranco top 10,000
Email Security in the groups, 4 September 2026, https://installmap.com/categories/email-security. Free to cite with a link.