SubProcessorsCompanies that use AT&T
Communications
3
companies
| Company | Domain | Country | Employees | Purpose |
|---|---|---|---|---|
 Microsoft | docslib.org |  United States | 100000+ | Multi-factor AuthenticationMulti-factor Authentication |
 turboSMTP | serversmtp.com | United States | 50-200 | SMTP serviceSMTP service |
 Adara | adara.com | United States | 200-1000 | Data processing servicesData processing services |