TechLookup
Websites using Customer.io
91 websites detected · Updated Oct 7, 2026
91 websites detected · Updated Oct 7, 2026
Customer.io is a technology in the Customer Data Platform category. 91 websites use Customer.io, detected by Hunter on Oct 7, 2026.
Create a free accountA sample of the websites Hunter detects Customer.io on, ordered by web popularity.
| Domain name | Industry | ||
|---|---|---|---|
| 1 |
|
Software Development | 993 email addresses |
| 2 |
|
IT Services and IT Consulting | 287 email addresses |
| 3 |
|
Restaurants | 90 email addresses |
| 4 |
|
Software Development | 188 email addresses |
| 5 |
|
Research Services | 1,740 email addresses |
Hunter already holds email addresses at all 50 websites listed above.
Create a free accountFree plan: 25 domain searches a month. No credit card.
Websites running Customer.io, counted by industry and by country. Only the largest groups are shown.
| Industry | Websites |
|---|---|
| Technology, Information and Media | 47 |
| Financial Services | 13 |
| Professional Services | 9 |
| Entertainment Providers | 7 |
| Hospitals and Health Care | 3 |
| Consumer Services | 2 |
| Administrative and Support Services | 2 |
| Education | 2 |
| Accommodation Services | 2 |
| Government Administration | 1 |
| Transportation, Logistics, Supply Chain and Storage | 1 |
| Real Estate and Equipment Rental Services | 1 |
| Country | Websites |
|---|---|
| United States of America | 48 |
| United Kingdom of Great Britain and Northern Ireland | 9 |
| Germany | 4 |
| Australia | 3 |
| Brazil | 3 |
| Spain | 3 |
| Netherlands | 3 |
| Canada | 2 |
| France | 2 |
| Nigeria | 2 |
| United Arab Emirates | 1 |
| Cyprus | 1 |
More than 7,000,000 professionals use Hunter to build more connections and grow their business.
