History of Full Circle Ag
1936
Farmers Union Co-op Association of Marshall County – the first of several cooperatives that would eventually form Full Circle—was founded in 1936.
1961
Farmers Union Co-Op Association of Britton Celebrates 25 Years of Service
1990
Brown County Cooperative (Columbia, Frederick, Hecla) merged with Farmers Union
1991
Amherst-Claremont Elevators merged with Farmers Union.
1992
Kidder Elevator was purchased.
1997
Cooperative Agronomy Services (CAS) formed, uniting Redfield-Doland, Pierpont-Bristol, Faulkton, Ellendale, Chelsea and CHS.
2000
Farmers Union became 4 Seasons Cooperative
2001
4 Seasons Cooperative, along with 4 other coops, formed Petroleum Partners
2005
Farmers Union Oil Company of Redfield/Doland merger.
2005
Farmers Union Oil Company of Pierpont/Bristol merger.
2011
Gwinner Farmers Elevator merger.
2011
Petroleum Partners fully acquired by Full Circle Ag
2015
New Fertilizer Plant in Doland, SD
2017
Built new Agronomy location - Wilmot, SD
2018
Built new Agronomy location - Forman, ND
2023
New Blending Tower in Groton, SD
New Chemical Plant/Office in Pierpont, SD
2026
New Fertilizer Plant in Hecla, SD
