To the category belong all the companies involved in production, sales, management or maintenance of civil or industrial thermohydraulic equipment concerning the heating and cooling systems such as boilers, air conditioners, humidifiers, industrial fridges, cold stores and purification systems, also gas heating, diesel fuel, alternative energy such as solar, geothermal etc.. The proper functioning of these systems are essential for the comfort of our daily lives, needs tools and specialists for maintenance and cleaning, there’re so various filters, cesspits´ emptying , drainage and professionals such as chimney sweeps. On the website you will also find the waterworks, gas pipelines and oil pipelines, energy distributors in the zone and who deals with civil waste and treatment of those industrial, hirer of toilet facilities for public events, etc.