Mostogradnja - A civil engineering and construction company established in Serbia and specialized in the construction of bridges and engineering structures. Grading - Construction firm from Paracin, offering high rise building works, interior and floor outfitting, and building material trade. Energoprojekt - One of the leading world-wide companies in the fields of consulting and contracting activities. Located in Belgrade. Koling - The basic activity of the company is construction - designing, building, installations, equipment, furnishing, engineering and complete consulting services. Located in Belgrade. Susa - The fundamental occupation of the company Susa is demolition and recycling of the demolished material. Located in Novi Sad. Tehnicom - A construction company that specializes in planning and constructing industrial buildings including all infrastructures: steel constructions, gas, heating, plumbing, air conditioning, and building panels and profiles. SerbiaConstruction - Information about Serbian construction industry, providing investment opportunities, projects, companies, news and laws. Congress Rental Serbia - Rental and sales of sound and visual as well as lighting equipment, which just opened its head office in Belgrade. It is a member of the PODIMATAS group of companies based in Athens. FAM - Domestic producer of oil and lubricants. Located in Krusevac. Tesla Sistemi - Development, projecting, installing, releasing and maintaining electro systems. Complete Building Maintenance - Professional services of building maintenance in both private and business sector including all types of technical and hygienic maintenance.