Tetas is founded in 2005. Today the company has up to 400 experienced and qualified specialists. Almost two decades we are known as a reliable partner and responsible contractor that guarantees high quality services. To achieve the highest client satisfaction and quality in an international market, our company has successfully integrated quality management, environmental management and workplace health and safety management certificates, such as: ISO 9001:2008 / LST EN ISO 9001:2008, ISO 14001:2004 / LST EN ISO 14001:2005 and OHSAS 18001:2007 / LST 1977:2008 standards to assure our capabilities. Our serivces: 0,4 – 400 kV electrical works. Construction, reconstruction, technical support and maintenance of electrical network, electric switchyards and substations, power transformers and other relevant objects. Commissioning works. We design, produce, configure, test 110kV, 10kV relays protection units, cabinets, HV transformers, auxiliary panels. Electrical design. We are making design of LV, MV and HV electrical networks, stations and substations, turn key and greenfield projects. Electrical testing. We test electrical equipment, devices, OH lines, cables, personal protective equipment, also we do chemical and chromatographic insulation oil analysis.