1. Marine Construction & Infrastructure
• Pile driving platforms
• Dredging support
• Transport of construction materials
• Jetty and breakwater construction
• Buoy and navigational aid installation
• Underwater welding/diving support
• Bridge construction assistance
2. Offshore Energy (Oil, Gas, Wind)
• Crew transfer vessels (CTV)
• Offshore platform supply
• ROV/AUV deployment platforms
• Cable laying support
• Seismic survey support
• Anchor handling
• Offshore maintenance and inspection
• Fuel and freshwater delivery
3. Harbor & Port Operations
• Tug and towage services
• Berthing assistance
• Pilot transfer
• Line handling
• Port security patrols
• Bunker supply
• Debris and oil spill collection
4. Aquaculture & Fisheries
• Net cleaning and maintenance
• Feeding barge support
• Fish transport (live fish carriers)
• Mooring maintenance
• Cage installation/removal
• Sea lice treatment support
• Harvest vessel support
5. Environmental & Scientific Research
• Hydrographic survey
• Water sampling
• Wildlife monitoring
• Environmental data collection
• Sediment coring
• Weather station servicing
• Coral reef or habitat restoration support
6. Search & Rescue / Emergency Response
• Marine firefighting
• Search and rescue (SAR)
• Medevac operations
• Oil spill response and containment
• Disaster relief logistics
• Flood response in inland areas
7. Maritime Transport & Logistics
• Cargo and container lightering
• Fuel and supply runs to remote areas
• Inland waterway freight transport
• Icebreaking for river and port access
• Ferrying goods and personnel
8. Military & Defense
• Surveillance and patrol
• Mine countermeasure support
• Special operations support
• Submarine rescue support
• Drone and equipment deployment
• Troop and equipment transport
9. Tourism & Recreation Support
• Dive support vessels
• Charter base logistics
• Floating platforms for events
• Marina maintenance
• Water taxi services in remote resorts
10. Utilities & Public Infrastructure Support
• Power cable inspection and repair
• Water intake/outfall inspection
• Dam and lock maintenance
• Bridge and tunnel inspection support
• Water treatment site access
11. Ice and Cold-Climate Operations
• Icebreaking for navigation
• Arctic/Antarctic research support
• Resupply missions to polar outposts
• Ice monitoring and surveying
12. Law Enforcement & Regulatory
• Fisheries inspection
• Customs and immigration patrols
• Border protection
• Environmental law enforcement
13. Salvage & Towing
• Vessel salvage operations
• Emergency towing
• Sunken cargo retrieval
• Wreck removal
• Emergency assistance to grounded vessels
14. Film & Media Support
• Camera platforms
• Equipment transport
• Safety support for water-based shoots