BESA - the Building Engineering Services Association is the UK's pioneering trade association for building services engineering contractors – representing the interests of firms active in the design, installation, commissioning, maintenance, control, and management of engineering systems and services in buildings.

Cinergy Corporation is a utility holding company with ownership of three regulated utilities: (1) Cincinnati Gas & Electric Company, which has electric and gas utility operations in Ohio, (2) Union Light, Heat and Power Company, which provides electric and gas services in Kentucky and (3) PSI Energy, Inc., an electric utility operator in Indiana. Other subsidiaries include non-regulated wholesale energy operations.