About Us

Monument Chemical is a privately held, family owned business, headquartered in Indianapolis, IN.  With over 100 years of combined history, the families have invested extensively in the development of technical expertise and high-productivity solutions for the specialty hydrocarbons business.


Monument Chemical was founded in 2008 with the Johann Haltermann Ltd. acquisition.  In 2010, expanded its global footprint into Europe with the acquisition of a facility in Antwerp, Belgium.  In 2012 further expanded its US presence with the acquisition of Advanced Aromatics in Baytown, Texas and the acquisition of a facility in Brandenburg, Kentucky.