Vertex, a leading international business process outsourcer, today announced it has signed a seven year, $75.5 million contract with Merrillville, Ind., based energy provider NiSource Inc. (NYSE: NI) to provide Customer Contact Center services.

Vertex has appointed Bruce MacLeod to take on the role of Managing Director for its UK Private Sector division. He will become a member of the Vertex Executive Management team reporting directly to Vertex’s CEO Richard Graham.