On a vessel the navigation and communication equipment, monitoring equipment and satellite systems are very complex installations that put heavy demands on specialized knowledge of the staff that are going to repair and service that kind of equipment. O&J Energy supply products from leading electronic suppliers, and our staff are recognized for their experience and ability to offer solutions for all purposes, from cruise ships in the Port of Copenhagen to the oil and gas industry in the North Sea. O&J Energy has been authorized to maintain fire detection systems on all vessels..