Located in Uonuma, a renowned rice-producing region
in Japan,
Uonuma Jozo operates one of the world’s
largest koji fermentation facilities.
Using the pristine snowmelt water from
the Echigo Sanzan mountains,
they produce
koji in harmony with nature.
They are a trusted expert in fermentation,
combining scale with craftsmanship.

As the largest miso manufacturer in the United States,
Marukome USA brings over a century of
fermentation expertise to North America.
With a commitment to innovation and health,
they continue to evolve
traditional
Japanese fermentation for the modern table.