SECIMA, Secretaria de Estado de Meio Ambiente, Recursos Hídricos, Infraestrutura, Cidades e Assuntos Metropolitanos, Goiânia/GO, Brazil
We have more more than 30 servers running Debian. They include application servers, backup server, database servers, geo servers, web servers, monitoring server, proxy servers and more. The agency uses Debian servers for many services, including e-mail, monitoring, security scanner, server file sharing and application servers, among others.
We chose Debian because of the great community suport, security, ease of installation, use and maintenance, configurability and stability.