Equnico SE, together with its subsidiaries, engages in the construction business in Poland, Uzbekistan, and Central and Eastern Europe. It is involved in the construction of civil engineering structures; erection of reinforced concrete structures; production of mineral-asphalt mixtures for use in road subgrade layers; production of steel structures for power, industrial, and civil networks; construction and modernization of power line installations; power stations; and supply of materials and equipment for infrastructure investments. The company was formerly known as Resbud SE and changed its name to Equnico SE in September 2024. Equnico SE was founded in 1950 and is headquartered in Modlniczka, Poland.