- ATLAS INCINERATORS A/S
- ACEL AS
- ACOMARIN Ltd OY
- Adan Limited
- ADEC Marine
- Advance Electronics Ltd
- Advanced Component Technology
- Adveto Advanced Tech
- AERON AS
- Aeron Miljoteknikk AS
- Afriso Eurogauge Ltd
- AGCO Power
- AH Automation AB
- Air Products AS
- Albany Engineering Co Ltd
- Alco Valves Group Norway
- Alfa Laval Aalborg A/S (formerly Aalborg Industries AS)
- ALFA LAVAL TUMBA AB
- ALLWEILER AS
- ALMACO Group Oy
- ALU DESIGN & SERVICES AS
- Alubar AS
- AMETEK Test & Calibration Instruments
- AMI EXCHANGERS Ltd.
- AMI-GFV Marine Ltd
- AMPLIDAN A/S
- ANDA OLSEN AS
- Antti-Teollisuus Oy
- Apollo Fire Detectors Limited
- ARCTIC MARINE FURNITURE AS
- Ariston Norway AS
- ARMATEC AS
- Artboard AB
- AS SCAN
- Ascon AB
- AST GROUP
- AT MARINE OY
- ATB Laurence Scott Ltd
- Atexor Oy
- Atlantas Marine Ltd
- Atlantis Marine Power Ltd
- Atlas Copco Tools & Assembly Systems
- AUKRA MARITIME AS
- Auramarine Ltd.
- AUTO MASKIN AS
- AUTOMASJON OG DATA AS
- AXTech AS
- B.Hepworth & Co Ltd
- BAC Corrosion Control A/S
- Bailey & Mackey Ltd
- Bainbridge Marine
- BAY Valves ApS
- BCB International Ltd
- BEHA HEDO INDUSTRIES AS
- Beldam Crossley
- Belzona Polymerics Limited
- BERG PROPULSION AB
- Bergaflex AB
- Bibby Transmissions Ltd
- Bloctube Marine Services Ltd
- BLUCHER METAL A/S
- Bold Nu-Tec Insulation Product
- Bolton Gate Co Ltd
- Brauer Ltd
- Bridon Marine Systems & Servic
- Bristol Uniforms Ltd
- Britannia Marine Services
- Brooksbank Valves Limited
- Brude Safety AS
- BRUSH Turbogenerators
- Buffers Marine AB
- C.C.JENSEN A/S
- C.M. HAMMAR
- C.N.S. SYSTEMS AB
- C2SAT COMMUNICATIONS AB
- CA Clase (UK) Ltd
- CAC Industrial Products Ltd
- Cactus 020 Ltd
- Calder Ltd (UK)
- Caley Ocean Systems Ltd
- Campbell Scientific Ltd.
- Capital Equipment Supply Co Ltd
- Cargotec Corporation MacGregor
- Carlson Filtration Ltd
- CARPENTER Ltd.
- Castrol Marine Ltd
- Caterform Ltd
- Caterpillar Propulsion Sweden (previously BERG PROPULSION AB)
- CATHELCO GROUP
- CBI Engineering AS
- CENTA Transmissions Ltd.
- Chase Protective Coatings Ltd,
- CHEVRON PRODUCTS SCANDINAVIA AB
- CHRIS-MARINE AB
- Christie & Grey Ltd
- CLA-VAL UK Limited
- Class Instrumentation Ltd
- CLAYTON SCANDINAVIA AS
- Clements Engineering (St Neots) Ltd
- CLYDEUNION Pumps