We provide electrical installations and electrical revisions of industrial buildings or residential construction, public lighting or traffic sign lighting. We deal with the manufacture and installation of gates and doors. We offer LV and HV cable networks or transformer stations.

We are engaged in the design and manufacture of single-purpose machinery and equipment, sheet metal processing and finishing. We carry out inspections of gas and electrical equipment. We offer complete solutions in the field of gas equipment including service. We manufacture and supply various types of electrical switchgear.

We specialize in the design, inspection, installation and repair of electrical equipment. We manufacture all-concrete, combination and steel plate transformers and high and low voltage switching stations for distribution power companies.

Contractual partner of ČEZdi, 26 years of revision activity on high voltage HV transformer stations PRE-ČEZdi, revision of Ex with explosion hazard on CS PHM, revision of lightning rods. I offer a complete solution in revision activities throughout the country: from A - transformer station to Z - appliance. Politeness, reliability, professionalism.

We carry out construction of electrical and optotelecommunication facilities. We offer installation, repair, inspection and maintenance of substations, transformers, overhead and cable electrical distribution. We manufacture switchboards and cabinets for electricity metering. We provide powder coating.

I provide electrical revisions, installations, SAT and TV, MaR, security systems, repairs of appliances and electronics, automation. I offer electroprojections of HV, LV, photovoltaic power plants, lightning conductors. For photovoltaic power plants and heat pumps I provide subsidies, design, implementation, connection of Čez and Eg. d.

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.

We provide design, construction, inspection, service and repair of electrical equipment in the voltage level of 0.4 to 400kV - transformer stations, industrial installations, PV plants, biogas stations and public lighting. We carry out earthworks and earth protrusions. We offer services from project documentation to implementation.

We provide supply and installation of high and low current equipment.

We provide all low and high voltage services in the area. We offer installation of distribution, lighting, cables, maintenance and repair of substations, transformers, disconnects, switches and installations. We provide inspections, assessments and technical assistance. We develop projects. We lease power stations.