Resourceful. Responsible. Reliable.
Since 1977, energy businesses throughout the world have relied on Sonic Systems International Inc. for a wide array of mission-critical support services. Built on a firm foundation of service to the nuclear-power energy market, SSI now works as a flexible, responsive partner across a variety of energy sectors. Our professional, trained and certified employees today work in the most critical aspects of engineering scheduling, quality assurance, inspection, nondestructive testing, refueling, dry cask and staff augmentation.