ACS: ACT 2006/2007
ATENTO: ACT 2006/2007
A&C: ACT 2006/2007
BRASILCENTER: ACT 2005/2007 e ADITIVO 2006
CONTAX: AC 2005/2007
CLARO: ACT 2006/2007
CTBC: ACT 2006/2007
EMBRATEL: ACT 2005/2007 e ADITIVO 2006
ICATEL: ACT 2006/2007
INFOVIAS: ACT 2006/2007
INTELIG: ACT 2006/2008
TIM: ACT 2006/2007
OI: ACT 2006/2008
OLIVEIRA E CAVALCANTE: ACT 2006/2007
SEAC - TERCEIRIZADOS: CCT 2007
SIEMENS: ACT 2006/2007
TELEALPHA: ACT 2006/2007
TELEMAR: ACT 2006/2008
TELEMIG CELULAR: ACT 2006/2007-08-31
UNICALL: ACT 2007/2008
Sede Sinttel/MG: Rua Sen. Lúcio Bittencourt, 140 - Carlos Prates CEP: 30710-070 Belo Horizonte-MG Tel: (31) 3279-2000 Fax: (31) 3271-1460
