1.Przedsiębiorstwo Eksploatacji Kruszyw Naturalnych "Łoń" Michał Łoń, Aleksander Łoń Spółka Cywilna 2.Firma Handlowo-Usługowa Aleksander Łoń

08.12.Z - Extraction of gravel, sand, clay, and kaolin

08.11.Z - Extraction of ornamental stones, limestone, gypsum, shale, and other stones and rocks

08.99.Z - Other mining and quarrying, not elsewhere classified

33.12.Z - Repair and maintenance of machinery

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.91.Z - Masonry works

43.99.Z - Other specialized construction works, not classified elsewhere

46.61.Z - Wholesale trade of agricultural machinery and additional equipment

46.63.Z - Wholesale trade of machines used in mining, construction, and civil and water engineering

46.64.Z - Wholesale trade of other machines and devices

46.71.Z - Wholesale trade of motor vehicles

47.81.Z - Retail sale of motor vehicles