Established in 1974, G&G Marine provides a wide array of inland commercial diving services including but not limited to: Certified underwater bridge inspections and repairs Dam and dock inspection and repairs Inspection marine terminals, docks, piers and pilings Cathodic protection systems installation & repair Pile encapsulation Pressure grouting Pipeline inspection and repairs Pipeline crossing inspections (lakes and rivers) Underwater video and photography Underwater burning and welding Underwater debris removal and salvage Penetration dives (1,000' capabilities) Underwater surveys certified by ABS, Bureau Veritas, ClassNK, DNVGL, Lloyd's Register, RINA and recognized by most other Class Societies Clean cooling tower basin while "Online" Traveling screen cleaning and repair Clarifying tanks HAZMAT diving