Energoengineering 89 Ltd. works in the field of energetics and energy technologies. Design and construction of energy projects, manufacturing of electrical steam boilers.

Energoconsult-SR designs and installs heating and plumbing installations, building automation systems, eco-friendly technologies using renewable energy sources.

Founded in 1992, Trichkov - I.D.L. Private Co. specializes in heat engineering services. Heating substations - construction and contract maintenance.

Gas and heating systems. Cast-iron and steel boilers for naphtha, gas, solid fuel. Burners, gas appliances.

Item Engineering Ltd. is a leading company in the field of heat engineering. It offers consulting, design-build and complete engineering services.

Milchev Sin Ltd. offers high-quality air conditioning systems as well as construction of heating and ventilation installations, DSC security systems.

Heating, air conditioning, ventilation, plumbing, sanitary plumbing, gas and solar installations – engineering design and building. ISO 9001:2000 certified.

Total Therm Ltd. offers its customers a wide range of components for heating, plumbing, air conditioning and electrical wiring installations.

Business & Contracting Commerce imports water and heat metering systems, gas meters, electric heating units, steel boilers and others.

Amax Gas Ltd. has been present on the Bulgarian market since 1999. Its main activity is engineering in the field of heating and gasification of public and industrial sectors.

Trade, engineering, design, supply and installation of equipment for heating, ventilation, air conditioning, plumbing and gas installations.

World New Technologies Ltd. (Svetovni Novi Tehnologii) specializes in the design, construction, installation and maintenance of gas installations.

Water supply and sanitary plumbing, drainage and sewerage, electrical supply, heating systems – installation, repair and maintenance. Consulting, calculating the heating capacity of a chosen system.

Nora-Gas offers complete engineering services in the field of heating, ventilating, air conditioning and gas supply.

Selection Hold is a leader in the field of high technologies for utilizing environment-friendly energy from renewable energy sources - solar, geothermal, energy of the earth core, water and wind.

Design, supply and installation of heating, internal plumbing and air-conditioning systems. Authorised dealer of Uponor, Germany for PEX pipes. Vaillant (Germany) gas equipment.

Unique fireplaces, catalogue available. Complete solutions for fireplace heating. French furnace systems. Ovens and barbecues projects. Marble and granite products. Architectural details.

Manufactures heating technics: radiators from copper pipes, electrode and electric boilers, fireplaces with water shirt, burning cameras. Designs and constructs heating instalations.