Phoenix International Holdings, Inc. is an employee-owned, ISO 9001:2015 Management System certified marine services contractor providing manned and unmanned underwater operations and engineering services to a diverse set of clients worldwide. Phoenix provides a full range of underwater services to accomplish complex operations from the surface to water depths of 6,000 meters. We are committed to ensuring the safety of our personnel at all times; and our excellent safety record is a testimonial to the success of this commitment. Operating from eight regional support facilities on the East, Gulf, and West Coasts of the United States, Phoenix's core business segments include deep ocean survey; search and recovery; waterborne ship repairs/ship husbandry; underwater inspection, maintenance & repair; submarine rescue; wet, dry, hyperbaric & underwater welding; and marine construction support. Our extensive portfolio of underwater capabilities includes air, mixed gas & nitrox diving; Atmospheric Diving Systems (ADS); Remotely Operated Vehicles (ROVs); Autonomous Underwater Vehicle (AUV); Towed Pinger Locator; Submarine Rescue System; and Towable Diving Systems. Worldwide operations support includes marine construction, subsea tieback, infield development, underwater inspection and maintenance, seabed survey, platform repair, wind farm support, inland diving, dam inspection and repair, non-destructive testing, & salvage.