Nikolay Belotsvetov (1863-1935) - entrepreneur and editor. >>

Theodor-Ferdinand Kalep (1866 – 1913) – inventor, businessman, production organizer, worked at Riga enterprises «Lange and son», «Motor» and «Russo-Balt». >>

Yefim Kamkin (1823 – 1908) - merchant of the 1st Guild.  >>

Vasily Karyakin (1851 - 1913) - merchant. >>

Vasily Kudryachev (1869-1941) – entrepreneur and Head of Riga Grebenshchikov Old Believers Community. >>

Matvey Kuznetsov (1846-1911) - manufacturer, owner of the "Partnership for the production of porcelain, earthenware and majolica products". >>

Nikolay Kuznetsov (1869-1938) - manufacturer. >>

Avraamy Mikhailov (1934 – 2007) – businessman, distinguished Old Believers person, honorary citizen of Daugavpils >>

Alexander Milov (1947) - Doctor of Engineering (Dr. sc. Ing.), Entrepreneur, chairman of the Board of Directors of the holding company LNK Group. >>

Alexander Mitrofanov (1859-1941) - merchant of the 1st Guild in Daugavpils. >>