MOS MOS is a business and fair event that is divided into five segments: MOS DOM, MOS TEHNIKA ENERGETIKA, MOS TURIZEM, MOS B-DIGGIT and MOS PLUS. MOS is complemented by lectures, events and workshops from various fields, where you can get plenty of useful information about home construction or how to establish a company. Traditionally, the fair has a partner country, which makes it easier to establish economic connections between the countries.