Find CIOs at 12,290 Companies
StackWho tracks 12,290 companies with a named CIO on record — with company, title, and LinkedIn presence. Browse the list, or drill into a city or industry below.
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Target companies by the technologies they run, then reach the CIO who owns the buying decision. Build a stack-based prospect list and export it to your CRM.
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Source CIOs by company size, industry, and location. See who holds the role today and reach out directly.
For recruitersTop CIOs by company size
Ranked by company size (employee count).
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Frequently Asked Questions
How many CIOs can I find on StackWho?
StackWho tracks 12,290 companies with a named CIO on record.
How do I get a CIO's email address?
Names, titles, and companies are free to browse. StackWho Pro unlocks verified decision-maker emails and CSV export, starting at $79/mo.
Which companies have a CIO?
Examples include Federal Government, Maricopa County, Walmart. Browse the full list ranked by company size.
Public directory data — names, titles, companies, and LinkedIn presence. Verified emails are available to StackWho Pro. Listed here by mistake? Request removal.