Brisanet Serviços de Telecomunicações S.A.

Fiber-only ISP founded 1997, headquartered in Pereiro, Ceará, publicly traded on B3 (ticker BRST3). Operates fiber, mobile and fixed telephony across nine Northeast/Central-West states (AL, BA, CE, MA, PB, PE, PI, RN, SE) with roughly 1 million customers; the leading fixed broadband provider in the Northeast region.