Our services Operations & Maintenance Support for operations and maintenance are the main areas of Energy Global Services international development. Electricity & Instrumentation We are specialized in electrical and instrumentation, in operations and maintenance. This is our corps business. Mechanical & Rotating Machine We are also specialized in mechanical maintenance and projects structures and constructions. Control System PLC-DCS/ ICSS Our project and maintenance support teams generally have dual competences PLC, DCS/ICSS.