
1919 Calumet Refining Company formed
1953 Princeton, Louisiana refinery constructed
1990 Corporate headquarters moved to Indianapolis
1995 Calumet purchased Kerr-McGee Corp. refinery in Cotton Valley, Louisiana
2006 Calumet listed on NASDAQ, becomes publicly traded company
2008 Calumet acquired Penreco
2012 Calumet acquired numerous companies, including Montana Refining Company; Royal Purple; and TruSouth Oil
2013 Among other acquisitions and developments, Calumet acquired Bel-Ray and broke ground on Dakota Prairie Refining, the first greenfield hydrocarbon processing facility built in the United States since 1976
2014 Listed in the Fortune 500 for the first time
2020 Expanded specialty wax business with acquisition of Paralogics
https://en.wikipedia.org/wiki/Calumet_Specialty_Products_Partners
https://in.investing.com/equities/calumet-specialty
https://finance.yahoo.com/quote/CLMT/profile?p=CLMT
https://www.crunchbase.com/organization/calumet-specialty-products-partners-l-p
https://sec.report/CIK/0001340122