2013
$2.5M
from 4 investors over 4 rounds
Sustain Natural raised $2.5M on February 23, 2016
Investors: The R-Group, LLC and Flat World Partners
Sustain Natural raised undisclosed on December 1, 2015
Investors: The R-Group, LLC
Sustain Natural raised $2.2M on August 14, 2013
Investors: The R-Group, LLC