Orange Polska S.A., together with its subsidiaries, provides telecommunications services in Poland.
Play Communications S.A. provides mobile telecommunications services in Poland.
Netia S.A. provides alternative telecommunication services.
ATM S.A. provides telecommunications and value-added services in Poland and internationally.
R22 S.A., through its subsidiaries, engages in the hosting, omnichannel communication, and telecommunication activities in Poland.
Telestrada SA provides telecommunication services to business and residential customers in Poland.
Verbicom S.A. operates as an integrator of IT systems.
Korbank S.A., a telecommunications operator, provides various services to companies, institutions, and housing estates in Poland and internationally.
Internet Union S.A. provides telecommunication services to individual clients and enterprises in Poland.
Unima 2000 Systemy Teleinformatyczne S.A.
SferaNET Spólka Akcyjna provides telecommunications services in Poland.
Przedsiebiorstwa Telekomunikacyjnego TELGAM S.A.
Aiton Caldwell SA provides VoIP telephony and telecommunications systems for telemarketing and offices in Poland.
easyCALL.pl S.A. provides various telecommunication services to individuals and businesses in Poland.
Marsoft Spólka Akcyjna provides telecommunications and multimedia services to individual and business customers in Poland.
