• A. Adamson & Company
• A.S.A.P. Supplies Ltd
• Aberdeen Compass Adjusting Ltd
• ABPmer
• AeCom
• Affric Limited
• Alfa Shipping Services Ltd
• Arch Henderson LLP
• Armitt Group
• Aspect Land & Hydrographic Surveys
• Associated British Ports
• Atkins Realis
• Boluda Towage Caledonian 
• Boskalis Westminster Ltd
• Brimmond
• British Ports Association
• Bubble & Goose
• Buccaneer Ltd
• Caldive Ltd
• Calmac Harbours
• Calport Ltd
• Certas Energy UK Ltd
• Clarksons Port Services Ltd
• Coastal Connection
• Coastworks Operations Ltd
• Collett & Sons Ltd
• Craigie Engineering Ltd
• Creel Maritime Ltd
• Dales Marine Services Ltd
• DEME
• DuroWipers
• Ecosse Marine Ltd
• Euronete
• Eyemouth Marine Ltd.
• Ferguson Transport & Shipping
• Forth Bridge Stevedoring Ltd
• Forth Logistics Marine Services
• George Brown & Sons
• Global Energy Group
• GPL Customs Services
• Graham Construction
• Graypen GP Shipping
• Great Glen Shipping Company Ltd
• Haven Knox Johnston Commercial
• Highland Fuels
• Highland Industrial Supplies Ltd
• IDI Services Ltd
• Inland and Coastal Marina Systems Ltd.
• J. S. T. Services (Scotland) Ltd,
• J D Wood (UK) Ltd
• John Lawrie Metals
• KIMO International / Fishing for Litter
• Kingdom Security
• Landing Craft UK Ltd
• Leapmoor LLP
• Leask Marine
• Liebherr-GB Ltd
• Macduff Ship Design Ltd
• Macduff Shipyards Ltd
• MacGregor (GBR) Ltd
• Mackay Boatbuilders (Arbroath) Ltd
• Mackinnons Solicitors
• Maritime Journal
• McLaughlin & Harvey Ltd.
• Mirren Marine Ltd
• Mission to Seafarers
• Molson Green
• Moray Council
• Mott MacDonald
• Navmoor Ltd
• NewWaves Solutions Ltd
• Niras Group (UK) Ltd
• North East Scotland Stevedoring ltd
• Northerly Marine Services
• Northern Lighthouse Board
• NorthLink Ferries Ltd
• Northwards Ltd
• Ocean Kinetics Ltd
• Offshore Workboats
• Oilfast Ltd
• PBP Services
• Port Babcock Rosyth
• Poseidon Navigation Services Ltd
• PSG Marine & Logistics Ltd
• Rix Cargo Solutions Ltd
• Ross-Shire Diving Services Ltd
• RPS Group
• Scarborough Borough Council (SBC Dredging Services)
• Scotlog Sales Ltd.
• Scottish Photography Productions
• Sea-Cargo Ltd
• Seawork International
• SecuriGroup
• Shearwater Marine Services Ltd
• Shepherd and Wedderburn LLP
• Simpson Ltd
• Skipper Expo International
• SMS Ltd (Specialised Marine Support Ltd)
• Socotec
• Southbay Civil Engineering Ltd
• Stoddart Crane Hire
• Stornoway Shipping Services Ltd
• T. Barbour Ltd
• Targe Towing Ltd
• Terberg DTS UK Ltd
• Trojan Crates Limited
• Unique Group
• VolkerMarine Services
• W. Knight Watson & Co Ltd
• Whittaker Engineering Limited
• Whyte Cargo Handlers Ltd
• William B Bruce Ltd
• Windcat Workboats (Scotland) Ltd
• XTRATUF
• Zwanny Ltd