Since more than 40 years SSI provides training, scuba diving certification, and educational resources for divers, dive instructors, and dive centers and resorts around the world. Started in 1970, SSI has expanded to include more than 30 Service Centers, is represented in more than 110 countries with over 2.500 International locations and has materials printed in more than 25 languages. SSI is clearly a name to trust in the diving world, and we attribute that success to our uncompromising standards and focused methodology.