Diána Annmária Várkonyi

Slovak Telekom, a.s. provides telecommunication services to residential and corporate clients in Slovakia. It offers a range of services, including voice and data services through landline and mobile telecommunication networks, Internet connectivity, digital TV services, MMS messaging services, and roaming services. Slovak Telekom was founded on April 1, 1999 and is headquartered in Bratislava, Slovakia.

Part of Fiserv, Inc., First Data Slovakia SRO is a company that processes card payment transactions. The company is based in Bratislava, Slovakia.

T-Mobile Czech Republic a.s. provides telecommunications services. The company offers mobile telecommunication services, internet, television, mobile phones, tablets, laptops and modems. The company was founded on February 15, 1996 and is headquartered in Prague, Czech Republic.

Vodafone Czech Republic a.s. provides mobile communication services. It provides mobile calling and internet services and sells phones, tablets, modems and related accessories. The company was founded on August 13, 1999 and is headquartered in Prague, Czech Republic.

one.Vip doo provides mobile communications and internet connection services. The company was founded in 2015 and is headquartered in Skopje, Macedonia.

Part of Deutsche Telekom AG, Magenta Telekom Infra GmbH is a telecommunications company based in Vienna, Austria. The Austrian company offers a range of services including internet, television, mobile network, and mobile devices. Magenta Telekom Infra also provides Magenta Youth Tariffs with unlimited minutes and SMS, and 25 or 40 GB of data. Customers can also purchase an iPad Pro with an M2 chip, Liquid Retina Display, and an ultrawide-angle camera with a 12 MP sensor. Rodrigo Francisco Diehl has been the CEO of the company since 2022.