Achim Riemann

International Chemical Investors SE engages in the chemicals and pharmaceutical businesses. It produces activated carbon and activated coal for water and gas industries, therapeutic peptide compounds, solid dosage forms, oral and sterile anti-infectives and oncological presentations. The company was founded by Patrick F. Schnitzer and Achim Riemann in 2004 and is headquartered in Luxembourg.

International Chemical Investors II GmbH provides investment services. The private company is based in Frankfurt, Germany. The CEOs of the German company are Achim Riemann, Patrick F. Schnitzer.

ACSURI GmbH is a property management company that rents out apartments, commercial spaces, and other areas in the Kassel area of Germany. The company is based in Hofheim, Germany and has subsidiaries in France and Germany. The private company offers rental apartments in Kassel, Baunatal, and Wolfhagen, as well as business areas in downtown Kassel and warehouses in Kassel and Münden. The CEO of the company is Achim Riemann.

Allessa GmbH produces fine and special chemicals. Its services include custom manufacturing, process development and processing services. The company was founded in July 2001 and is headquartered in Frankfurt, Germany.

CarboTech AC GmbH produces and supplies powdered, granulated, and extruded activated carbons. It provides reactivation, technical adsorption tests and dust removal, milling and impregnation of activated carbon services. The company was founded in 1956 and is headquartered in Essen, Germany.