U.S. Underwater Services, LLC formerly known as Neptune Underwater Services (USA), LLC has almost two decades of experience in the diving industry. Our certification and training allows USUS the ability to work in nearly all aspects of commercial diving. From inland to offshore, potable to waste water, our team of ADCI certified divers can handle any project, large or small. Our experience, state of the art technology, and unprecedented commitment to safety is what sets us apart from the competition.