- A. Adamson & Company
- A.S.A.P. Supplies Ltd
- Aberdeen Compass Adjusting Ltd
- ABPmer
- AECOM
- Affric Limited
- Alfa Shipping Services Ltd
- AlphaGeo
- Arch Henderson (a Company of Haskoning)
- Ardersier Energy Transition Facility
- Armitt Group
- Aspect Land & Hydrographic Surveys
- Associated British Ports
- Barbour Marine
- Boluda Shipping
- Boluda Towage Caledonian
- Boskalis Westminster Ltd
- British Ports Association
- Buccaneer Marine
- Caldive Ltd
- Calmac Ferries Ltd (Oban Pier)
- Calmac Harbours
- Calport Ltd
- CE Marine Ltd
- Certas Lubricant Solutions
- Clarksons Port Services Ltd
- Coastal Connection
- Coastworks Operations Ltd
- Craemer UK Ltd
- Craigie Engineering Ltd
- Creel Maritime Ltd
- CRS Harbours Ltd
- Dales Marine Services Ltd
- DEME Group Ltd
- DuroWipers
- Ecosse Marine Ltd
- Eyemouth Marine Ltd
- Ferguson Transport & Shipping
- Fettes & Rankine Engineering Ltd
- Forth Bridge Stevedoring Ltd
- Forth Logistics Marine Services
- George Brown & Sons
- GPL Customs Services
- Graypen Limited/GP Shipping
- Great Glen Shipping Company Ltd
- Haven Knox Johnston Commercial
- Haventus
- Hefring Marine
- Highland Fuels
- Highland Industrial Supplies Ltd
- IDI Services Ltd
- Inland and Coastal Marina Systems Ltd.
- J D Wood (UK) Ltd
- John Lawrie Metals
- John MacAlister (Oban) Ltd
- J. S. T. Services (Scotland) Ltd,
- KIMO International / Fishing for Litter
- Landing Craft UK Ltd
- Leask Marine
- Liebherr-GB Ltd
- Macduff Group
- Macduff Ship Design Ltd
- Mackinnons Solicitors
- Maritime Journal
- McLaughlin & Harvey Ltd.
- MHB Consultants
- Mirren Marine Ltd
- Mission to Seafarers
- MMS Ship Repair & Dry Dock Co Ltd
- Molson Green
- Moray Council
- Mott MacDonald
- NewWaves Solutions Ltd
- Niras Group (UK) Ltd
- North East Scotland Stevedoring ltd
- North Yorkshire Council
- Northern Lighthouse Board
- NorthLink Ferries Ltd
- Northwards Ltd
- Ocean Kinetics Ltd
- Offshore Workboats
- Oilfast Ltd
- Orcades Marine Management Consultants
- P&O Ferries
- PBP Services
- Port Babcock Rosyth
- Port Skills and Safety
- Port-Safety ApS
- Poseidon Navigation Services Ltd
- RPS Tetratech
- Sabre Plant & Marine Ltd
- Scotlog Sales Ltd.
- Scottish Canals
- Scottish Fishermen’s Federation
- Scottish Renewables
- Sea-Cargo Ltd
- Seawork International
- Shearwater Marine Services Ltd
- Shepherd and Wedderburn LLP
- Simpson Ltd
- Skipper Expo International
- Socotec
- Southbay Civil Engineering Ltd
- State 21
- Stena Line
- Star International
- Stoddart Crane Hire
- Stornoway Shipping Services Ltd
- T. Barbour Ltd
- Targe Towing Ltd
- Teamwork Security and Training Services Ltd
- Terberg DTS UK Ltd
- Think 360 Limited
- The Fishermen’s Mission
- The Seafarers Charity
- Tony Gee and Partners LLP
- Unique Group
- W. Knight Watson & Co Ltd
- Whyte Cargo Handlers Ltd
- William B Bruce Ltd
- Windcat Workboats (Scotland) Ltd
- Zwanny Ltd
