Castor & Pollux, s.r.o. is the directing company of the entire holding Castor Pollux Group. Company is focused on its own investment into real estates and other development investments and professional financial consulting activities inside group and for external customers.

Želsys, a.s. is a closely specialised technology assembly company in the transport and communications area. Project creation and construction of the most advanced transport systems is at the centre of its activities, and of course, company ensures their operation and maintenance, as well.

The company has been involved in the matter of waste processing since 2007, when we began to purposefully specialise in consulting services in the sphere of waste management, wastewater treatment, and renewable sources of energy and developed its own facility equipped by technology for processing various kinds of plastic waste located in Lieskovec (close to Zvolen).

Company UNIKUM – BET, spol. s r.o. has become a member of Castor Pollux Group since 2005 and is focused on two main business areas: investment into tourism and energy industry (natural gas). Company is qualified as a trader in natural gas according to the Slovak national legislative and European regulations, as well.

Smart Technology Systems Ltd.is a Castor & Pollux ´s daughter company located in Moscow. Its main activities are focussed on support and further development of projects implemented by the mother company in the Russian Federation, and other states of the former Commonwealth of Independent States (CIS), as well.

Company STARTENERGO Ltd. was established by 2 physical bodies and by the company Smart Technology Systems Ltd./ Moscow as a Castor & Pollux, s.r.o.´s daughter company and its seat is in the Penza region (town “Zarechny” ). Its main activities are focused on electrical assembly works.