TechLookup
| Domain name | Industry | ||
|---|---|---|---|
| 1 | adobe.com | Software Development | 39,989 email addresses |
| 2 | adyen.com | Financial Services | 1,524 email addresses |
| 3 | apple.com | Computers and Electronics Manufacturing | 29,796 email addresses |
| 4 | atlassian.com | Software Development | 1,834 email addresses |
| 5 | bbc.co.uk | Broadcast Media Production and Distribution | 7,165 email addresses |