SIG France manufactures and develops instruments for marine seismics. SIG is the specialist of sparkers and hydrophone streamers since more than 40 years. This long experience has built up our competence in high voltage and power electronics, as well as in acoustic signal processing. Exporting at more than 80 %, with a network of distributors and agents, our energy sources and streamers are well known onboard the oceanographic vessels around the world. Customers are oceanographic institutes, marine institutes, laboratories in marine geosciences, and users are scientists.