Founded by Thomas Haffa, after the fallout from the dot.com bubble and reorganisation, the company has grown through acquisition.
Constantin Stanislavski | Carl Constantin Platen | Constantin Wilhelm Lambert Gloger | Constantin Argetoianu | Vacheron Constantin | Hochschule für Musik, Theater und Medien Hannover | Constantin C. Giurescu | Constantin Cantacuzino | René Auguste Constantin de Renneville | Johan Albert Constantin Löfgren | Glen Constantin | Georg Abraham Constantin von Arnim | David Constantin | Constantin von Wurzbach | Constantin von Economo | Constantin Stamati-Ciurea | Constantin Sotiropoulos | Constantin Sănătescu | Constantin Rădulescu-Motru | Constantin Popovici | Constantin Niță | Constantin Floros | Constantin Daniel Stahi | Constantin Croitoru | Constantin Costa-Foru | Constantin Coandă | Constantin Carathéodory |