Where We Work

Seventeen states. One standard.

Licensed in five states. Projects completed in seventeen, from Washington to Florida. Crews mobilize from Tennessee and Florida.

Map of the United States showing the 17 states where Zion Marine has worked or holds a contractor license
LIGHT GREEN: OFFICE · GREEN: PROJECTS OR LICENSE · DARK: AVAILABLE BY MOBILIZATION
State · FL

Florida

LicensingLicensed general and marine contractorOfficeRegional office, Brooksville

Diving crew on the Berth 214 pier, Port Tampa Bay.
Ports

Berth 214 Wharf Cathodic Protection

Owner: Port Tampa Bay · GC: Russell Marine · Port Tampa Bay, Tampa, Florida · 2025–2026

Underwater installation of 294 sacrificial anodes (194 lb each) on the steel wharf substructure per the plans and specifications. Surface-supplied air with underwater welding and cutting, and a cathodic protection specialist on site for installation, monitoring and commissioning.

PortsCathodic ProtectionWelding
Aerial view of marine construction crew driving timber piles and building a new municipal waterfront pier on Lake Fairview.
Marine Construction

Lake Fairview Waterfront & Pier

Owner: City of Orlando · Zion Marine (Prime Contractor) · Orlando, Florida · 2024–2025

Demolition of the existing structure and construction of the new waterfront and pier: pile driving, structure, deck and marine hardware. Zion Marine held the contract directly with the City of Orlando under IFB24-0439 and carried the performance and payment bonds.

Marine ConstructionPrime ContractorMunicipal
Diver and crew at a gate valve during the JEA Buckman project.
Wastewater

JEA Wastewater Valve & Gate Replacement

Owner: JEA · GC: Wharton-Smith · Jacksonville, Florida · 2022–2024

Contaminated-water diving inside an operating wastewater facility with sealed suits, positive-pressure helmets and surface decontamination. Valve replacement, hydraulic saw cutting of concrete, blind flanges for isolation and sliding gate installation, all performed with the plant in service.

WastewaterContaminated WaterLive System
State · GA

Georgia

LicensingNo state license required for this work

Crew working at a chlorine contact chamber at the R.M. Clayton water plant.
Dams

R.M. Clayton Water Plant Improvements

Owner: City of Atlanta · Levee: U.S. Army Corps of Engineers · GC: Astra Group · Atlanta, Georgia · 2025–2026

Two scopes at the City of Atlanta's R.M. Clayton water plant. At the levee outlets, underwater installation of four custom backflow prevention devices: a 9 ft hinged valve, a 48 in duckbill check valve, a fabricated sliding gate and an 8 x 7 ft hinged valve, with fabrication support, rigging and diver installation. At the plant, chlorine contact chamber modifications.

DamsGates & Flow ControlFederal
Commercial diver installing integral pile jackets on bridge piers over an inland river.
Bridges

Pile Jacketing, SR 2 & SR 52 Bridges

Owner: Georgia DOT · GC: Massana Construction · Georgia · 2024

Underwater pile preparation and installation of 148 linear feet of integral jackets, 34 to 60 in, on SR 2 over West Chickamauga Creek and SR 52 over the Conasauga River. Grade-level dredging and pumped fill were performed from floating platforms with surface-supplied air.

BridgesPile RepairDOT
Crew in protective suits at a wastewater plant during a HAZMAT dive.
Wastewater

Polebridge Wastewater Plant HAZMAT Dive

Owner: DeKalb County · DeKalb County, Georgia · 2024

HAZMAT dive at an operating wastewater plant. Part of Zion Marine's ongoing diving services contract with DeKalb County, now in its tenth year.

WastewaterHAZMATLive System
Dive spread with helmets and umbilicals laid out on the deck at the Carters Lake dam.
Dams

Carters Lake Pump Storage Facility Nose Cone Replacement

Owner: U.S. Army Corps of Engineers · Georgia

Nose cone replacement at the U.S. Army Corps of Engineers Carters Lake pump storage facility in Georgia.

DamsUSACEFederal
Diver working at the intake screens at the Scott Candler water treatment plant.
Water

Scott Candler Water Treatment Plant Intake Sand Removal

Owner: DeKalb County · DeKalb County, Georgia

Removed all sand from the intake area, inside each of the six channels, ahead of schedule. Part of Zion Marine's ongoing diving services contract with DeKalb County.

WaterIntakeSediment Removal
State · SC

South Carolina

LicensingLicensed general and marine contractor

No project profiles published for this state yet. Zion Marine crews are available by mobilization, and references are available on request.

View the project library →
State · NC

North Carolina

LicensingLicensed general and marine contractor

No project profiles published for this state yet. Zion Marine crews are available by mobilization, and references are available on request.

View the project library →
State · TN

Tennessee

LicensingLicensed general and marine contractorOfficeHeadquarters, Kingsport

No project profiles published for this state yet. Zion Marine crews are available by mobilization, and references are available on request.

View the project library →
State · VA

Virginia

LicensingLicensed general and marine contractor

No project profiles published for this state yet. Zion Marine crews are available by mobilization, and references are available on request.

View the project library →
ALSO COMPLETED PROJECTS IN

Also completed projects in.

Alabama, Arkansas, Idaho, Kentucky, Maryland, Missouri, New Jersey, New York, Oklahoma, Pennsylvania, Washington. References on request.

Diving crew on the pier at a Port Tampa Bay berth.
Direct Business Development

TELL US ABOUT THE FACILITY AND THE CONDITION.

Zion Marine helps infrastructure owners understand a submerged condition and determine the appropriate next step, inspection, repair, dredging or emergency support.