With over 50 years of experience in consulting, planning, execution and maintenance, COLONIA Elektromontagen GmbH & Co. KG offers the complete service package for electrical installations in the high, medium and low voltage range. In addition, COLONIA manufactures oil sumps for aluminium transformers and handles all activities related to modern fibre optic technology. Their expert know-how ensures maximum safety and efficiency with the latest technical standards.

www.coelm.de