Apostolos Georgantzis

UniSystems Information Technology Systems SA develops software and provides systems integration services. The firm offers services such as consultancy, assessment, software engineering, project managment and support services. Its customers inlcude the banking and finance, public and telecommunication sectors. The company was founded by Constantine A. Doxiadis in 1964 and is headquartered in Athens, Greece.

Info-Quest Technologies SA provides information technology services. The firm offers quest on cloud, q-zone, network infrastructure, network security, remote access, equipment charging time, cost/page prints, interactive whiteboards and autodesk solutions. It provides value added, quest and bitmore products. The company was founded in 1981 and is headquartered in Kallithea, Greece.

ACS International Transport & Facilities Commercial Co. SA provides document and package shipping services. Its services include domestic and international shipment, postal services, money transfer, and shipment insurance services. The company was founded in 1981 and is headquartered in Kryoneri, Greece.

ACS UK Ltd. provides advanced IT services for infrastructure, application development, testing, selective outsourcing, application packaging and IT security. The company was founded in 1990 and is headquartered in Glasgow, SC.

Quest Energy SA operates photovoltaic power stations. The private company is based in Athens, Greece. The CEO of the Greek company is Markos Grigoriou Bitsakos.

Cardlink SA provides payment transactions everywhere. The company was founded on July 23, 2004 and is headquartered in Heraklion, Greece.

Kynigos S.A is a Greek company that owns a photovoltaic power station. Markos Grigoriou Bitsakos has been the CEO of the private company since 2019.