From the very beginning the company started working in the field of engineering which covers design and installation of high voltage electrical installations for residential, business and industrial facilities in accordance with design and installation standards. The company deals with consulting services in the same field as well and as a result ALES is certified with Licence B for design of third, fourth and fifth category buildings and Licence D for construction of fourth category buildings. In 2004 the company expands with a 600 m2 working plant which includes production space for electric boilers manufacturing. As immediate result, ALES obtains product attestation issued by the Faculty of Electrical Engineering and Information Technologies. . The company provides trained personnel with the highest degree of competence, expertise and integrity, as well as qualified executives with qualifications in appropriate degrees of work certified with Certificate B for preparation of project documentation in the field of electrical engineering and Certificate B for construction engineer in the field of electrical engineering.