Electrosistemas Bach s.a. (ELECTRANS), was founded in Barcelona in 1977 and focused since the very beginning in the railway signalling industry, achieving a worldwide acknowledgment in level crossing protection systems, rail and LRT signalling, train detection and LED light signals. Electrans stands out for developing its own product line, always being at the technology forefront, sustaining its competitive advantage in the capacity to be responsive to the needs of each customer. The result, more than 10.000 equipment in service today, being a reference in the signalling industry as a global system manufacturer.