Ratko Marolin

A1 Bulgaria EAD provides wireless telephone services. It offers leased lines, fixed voice and mobile communications services. The firm also provides laptops, smart phones, USB modems and broadband services. The company provides WAP, GPS, GPRS, EDGE, UMTS, HSDPA and HSUPA add-on services to its clients. MobilTel was founded in March 1994 and is headquartered in Sofia, Bulgaria.

T-Systems Austria GmbH specializes in information technology and telecommunications support services. It provides infrastructure management, server consolidation, virtualization, x86-standard servers. To provide the systems with the necessary performance capabilities, T-Systems chose the VMware ESX server as the virtualization solution. The company is headquartered in Vienna, Austria.

Part of Nokia Oyj, Alcatel-Lucent Austria AG is an Austrian company that provides various electronic and computer communication services. The company is based in Vienna, Austria. Thomas Arnoldner has been the CEO of the company since 2013.

Combis consults, develops, implements, integrates & maintains complete, complex and sophisticated information-application-communication turn-key solutions. COMBIS is woven from hardworking, talented people and high technologies. They have crossed a long way of continuous growth and progress from the beginnings, when one enthusiast 19 years ago formed a company that has become the leading Croatian system integrator. Their development has always been based on the freedom of thought, innovation & creativity, stimulating at the same time teamwork & friendship among employees, as the main driver of their business. Moreover, technologies that they develop and implement are enriched with human factor and knowledge, making all the difference. Thus, technology truly becomes a living component of success and development of its customers.

Telecom Liechtenstein AG engages in the provision of telecommunication services. Its services include landline and mobile telecommunication, internet and cable-tv services for private and business customers. The company was founded on July 1, 1998 and is headquartered in Vaduz, Liechtenstein.

Part of America Movil SAB de CV, A1 Srbija doo is a telecommunications company based in Novi Belgrade, Serbia. The company offers a variety of postpaid and prepaid packages, including the Biz Tariff, which provides unlimited internet, minutes, and messages for national traffic. A1 Srbija also sells phones and accessories. Dejan Turk has been the CEO of the company since 2014.

Part of America Movil SAB de CV, A1 Telekom Austria AG is a telecommunications company based in Vienna, Austria. The Austrian company offers a range of services including mobile phones, accessories, tablets, internet tariffs, prepaid cards, and internet speed tests. A1 Telekom Austria also provides various offers and promotions for new and existing customers. Customers can pay for their devices via the bill with partial payment and can test their internet speed with just one click. The CEO of the company since 2012 is Marcus Grausam.

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

A1 Slovenija dd engages in the provision of telecommunication services. It offers wireless and cable internet, television, phones, and phone packages. The company was founded in July 1997 and is headquartered in Ljubljana, Slovenia.