UMX is a commercial diving and marine construction company based in Jacksonville, Florida,
who offers services nationally and worldwide

Based in Jacksonville, Florida, UMX (Underwater Mechanix Services) is a commercial diving company serving maritime communities with a specialty in marine heavy construction. As a respected company, we are in full compliance of USACE (EM385-1-1), ADCI, USCG as well as OSHA regulations for commercial diving and marine construction.

The #1 goal of UMX is customer retention with a focus on transparency and ethics

UMX is a global marine specialty contractor. We are fair, ethical and proud to serve our clients with a dedicated staff of certified professionals. UMX values each member of our team, with a focus on integrity, quality, and safety. We believe in finding innovative solutions within best practices and hold our staff to higher standards paired with delivering the best cost possible for each client. UMX believes in bringing quality craftsmanship to the marine construction industry. We have achieved this through our hiring strategies, innovative ideas, and project planning. Sustaining the reputation we have earned is important to us. Our Core Values are to ensure safety, use of best practices and ensure continued quality training that meets and exceeds federal, state and local regulations.

Learn about some of the projects we have worked on

Underwater Mechanix Services (UMX) is based in Jacksonville, FL, among the top underwater heavy construction mechanical marine contractors in the Southeast United States (NAVFAC, U.S. Navy, U.S. Army Corps of Engineers, U.S. Coast Guard, Tennessee Valley Authority, and BP, etc.), proudly serving clients in Jacksonville (Jax.), Jacksonville Beach, Neptune Beach, Atlantic Beach, Mayport, NS Mayport, Naval Air Station – Jacksonville, Fernandina Beach, Amelia Island, Ponte Vedra Beach, Flagler Beach, Fernandina Beach, Amelia Island, St. Augustine, St. Augustine Beach, Orange Park, Macclenny, Middleburg, St. Johns, Keystone Heights, Palatka, Palm Coast, Daytona Beach, Orlando, Miami, West Palm Beach, Fort Lauderdale, Naples, Fort Myers, Sanibel Island, Tampa, Panama City; and in Georgia: Brunswick, Macon, St. Marys, Tybee Island, Sea Island, St. Simons Island, Jekyll Island, and Savannah; and in South Carolina: Hilton Head Island, Daufuskie Island, Charleston, Myrtle Beach, and Beaufort; and North Carolina: Cape Hatteras, Wilmington, and Nags Head; and in Virginia: Virginia Beach, Norfolk, and Newport News; Ohio; and Hawaii. We also provide maritime construction services (topside and underwater) to clients all over the United States.