Simeon Donev

GSM Association functions as a association representing interest of mobile operators. It offers programs and advocacy initiatives including future networks, identity, and internet of things, industry purpose, mobile for development, spectrum and the mobile economy. The company was founded in 1982 and is headquartered in London, the United Kingdom.

Keramo Wienerberger NV is a Belgian company that manufactures clay tiles. The private company is based in Hasselt, Belgium and has subsidiaries in Belgium.

Vodafone GmbH provides wireless telecommunications services. It also provides software on mobiles according to client specifications. The firm also provides terminal, service and system technology tests to the testing of new applications developed for specific customers. The company was founded in 1990 and is headquartered in Düsseldorf, Germany.

Bulgarian Telecommunications Co. EAD engages in the provision of telecommunication services under the brand name VIVACOM. It operates through Fixed Line of Business and Mobile Line Of Business segments. The Fixed Line of Business segment offers voice and data services over the fixed network. The Mobile Line of Business segment focuses in mobile services that consists GSM, UMTS, and LTE Standards. The company was founded in 1992 and is headquartered in Sofia, Bulgaria.

mobilkom austria AG provides mobile communications services. Its services include voice telephony as well as mobile data communication, including UMTS, which also includes mobile payment solutions and the customer service segment. It operates a customer service center in Austria under the brand name Client24, which offers services in the areas of customer support, customer retention and customer acquisition. Founded in 1974, the company is headquartered in Vienna, Austria.

Part of America Movil SAB de CV, Si.mobil dd is a mobile telecommunications company based in Ljubljana, Slovenia. Jörg Zeddies has been the CEO of the Slovene company since 2014. Si.mobil was acquired by mobilkom austria AG, part of America Movil SAB de CV from June 28, 2002 on February 27, 2001 for $128.27 million.

United Bulgarian Bank AD provides commercial banking services. Its activities include domestic and overseas banking and financial operations. The bank has a network of 123 branches and correspondent relations with 742 banks. United Bulgarian Bank was founded in 1992 and is headquartered in Sofia, Bulgaria.

A1 Hrvatska doo engages in the provision of telecommunication services. It also offers advertising, consultancy, and representation services. The company's products are mobile phones, laptops, electric scooters, internet, and television. A1 Hrvatska was founded on October 18, 1998 and is headquartered in Zagreb, Croatia.

Part of Dentsu Group, Inc., OmniMedia GmbH is an Austrian company that provides advertising services. The company is based in Vienna, Austria.

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 Deutsche Telekom AG, Germanos Telecom Bulgaria AD is a Bulgarian company that provides telecommunication services. The company is based in Sofia, Bulgaria. Germanos Telecom Bulgaria was acquired by TURKCELL Iletisim Hizmetleri AS from Hellenic Telecommunications Organization SA on November 21, 2012.

Unitary Enterprise Velcom provides mobile telecommunication services. The company was founded on April 16, 1999 and is headquartered in Minsk, Belarus.

eTel Austria GmbH & Co. KG provides telecommunications services. The firm provides long distance, local and wireless, corporate data communications, as well as Internet services. The company also provides services through pay phones & supplies telephones and technical equipment for the telephone communications sector. eTel Austria was founded in 2007 and is headquartered in Vienna, Austria.

HFA Zwei Mittelstandsfinanzierungs-AG seeks investment opportunities in middle market companies located in Austria with a transaction size EUR 150 million. The fund targets companies operating in the fields of a broad range of sectors and industries. It provides financing for growth and buyout stage capital requirements with an investment size of EUR 3 - 50 million. It also makes minority and majority investments.

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.

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.

Part of America Movil SAB de CV, Vip operator DOOEL is a telecommunications company based in Skopje, North Macedonia. The Macedonian company is a member of the A1 Telekom Austria Group, a leading provider of digital solutions in Central and Eastern Europe. Vip operator offers unlimited internet with excellent speeds for homes and a free fixed line with their new A1 net packages. The company also provides the e-bill service, which delivers monthly bills electronically via email, securely and always on time.

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

Part of America Movil SAB de CV, paybox Bank AG is an Austrian company that provides innovative payment solutions, allowing customers to easily pay with their mobile phones using paybox. The company is based in Vienna, Austria. The company offers a range of credit card products, including the environmentally friendly A1 Priceless Planet Mastercard and the exclusive Wiener Staatsoper Mastercard.

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.

Vodafone Stiftung Deutschland gGmbH provides social mobility to children and young people. The non-profit company is based in Dusseldorf, Germany. The CEO of the German company is Inger Paus.

Wishcard Technologies Group GmbH is a holding company, which operates a digital voucher platform. The firm specializes in the development, distribution, and sale of voucher products. It offers Wishcard, Category Gifts, Tax-Optimized Gift Vouchers, B2B Vouchers, Self-Service Vouchers, Hardware and Software Optimized, as well as Voucher Software Solutions. The company was founded on January 23, 2014 and is headquartered in Dusseldorf, Germany.

Novalogy, Inc. manufactures and sells AYO therapy glasses through online. The company was founded by Aleksandar Dimitrov, Branislav Nikolic and Nikola Vucinic in 2015 and is headquartered in Walnut, CA.