Vasily Alikhanov (1843 ?-1908, Riga, Russian Empire) – merchant, donor. >>

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

Andrey Gusev (1869–1931) – an entrepreneur, public figure and philanthropist. >>

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

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Yefim Kamkin (1823-1910) – merchant of the 1st Guild. Gained renown by his donations to  churches. >>

Vasily Karyakin (1851-1913) – a 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". >>