Kormak Praha a. s. (PRE Group) offers the construction of electrical power structures, installation and repair of cable sets, construction and rental of transformer stations. Furthermore, installation of terminals and couplings, inspection, maintenance and contractual breakdown service. We provide complete design work and construction of public lighting.

PRE Group is one of the largest energy suppliers, operating a reliable electricity distribution network and providing a wide range of energy services. PREenergo, a. s., provides energy services for households and companies and operates electricity generation plants from renewable sources.

ČEZ contractual partner, 26 years of revisions of HV substations, Ex with explosion hazard: references TPCA, Office of the Government of the Czech Republic, Congress Centre Prague, TATSUNO BENČ, GEFCO, Shell, GIA, RoBIN OIL, Airport VH Prague, Municipality of the capital city of Prague, Czech Republic. Politeness, reliability, professionalism.

Offering electrical installation of lighting and tilt-up poles and towers, preparation of project documents. Reconstruction and modernization of public lighting. We also deal with rental of high-lift platforms and high and low voltage projections and inspections.

Providing consultation and advice in the field of energy. Implementation of projects, supply and installation of electrical systems. We offer revision work in the field of weak and strong current. We provide project documentation of power and electrical systems and installations up to 35 kV.

Carrying out high and low current electrical installations. Offering project development, engineering, operative provision and material assembly. We provide a comprehensive range of supplies and services, particularly in open cast mines, thermal power stations and construction.

ENG CR s.r.o. is a Czech company specializing in energy management and energy management. We offer the implementation of the system according to ČSN EN ISO 50001, energy market analysis, electrical installation audits and our own e-management application for efficient energy consumption management.

We provide installation and reconstruction of low and high voltage equipment, 22/0,4 kV transformer stations, 22 kV substations and switching stations, HV substations up to 400 kV. We specialize in reconstruction of distribution equipment during operation. We offer installation and repair of residential and industrial electrical installations.

We deal with electrical work and training. We offer lightning wiring, projects, consultation, maintenance and revision of HV equipment or class A and B without voltage restrictions.

We offer inspection, repair, replacement and maintenance of electrical equipment. We carry out projects of low and high voltage electrical equipment. We provide installation of lightning conductors and electrical fire alarm systems. We are involved in electrical repairs of circuit breakers as well as adjustments of circuit breakers.

Manufacture and sale of lightning rods and surge protectors.

We provide electrical installations and inspections of electrical equipment without voltage limitations. We manufacture switchboards for construction, industry and technology.

We deal with the preparation of project documentation, subsequent installation and revision of low and high current electrical installations. We provide technical supervision of the investor or general contractor in all fields of electrical installations.

We offer electrical installation, high and low voltage and lightning conductor inspections. We provide installation of various types of transformers, microblocks and high voltage cabinets, low voltage switchboards, cable assemblies including cable laying up to 35 kV. We offer cable sets from PIRELLI or BARNIER manufacturers.