County Index - South Glamorgan
- 'Hire One' Ltd. - South Glamorgan - Cardiff
- 118//Media Ltd. - South Glamorgan - Cardiff
- 2Can Productions - South Glamorgan - Cardiff
- 3 Design Partnership - South Glamorgan - Cardiff
- 3 J's - South Glamorgan - Cardiff
- 360 Web Solutions - South Glamorgan - Llantwit Major
- A Eveleigh & Sons Ltd. - South Glamorgan - Cardiff
- A & G Construction Ltd. - South Glamorgan - Cardiff
- A & N Lewis (Small Works) Ltd. - South Glamorgan - Cardiff
- A & T (Cardiff) Skip Hire - South Glamorgan - Cardiff
- A and S Manuel - South Glamorgan - Cardiff
- A B M Leisure Ltd - South Glamorgan - Cardiff
- A Bourge Workshops - South Glamorgan - Cardiff
- A C Electrical Wholesale Ltd (Cardiff) - South Glamorgan - Cardiff
- A C Developments (Cardiff) Ltd. - South Glamorgan - Cardiff
- A C E Orthotics Ltd. - South Glamorgan - Cardiff
- A C Pogson & Sons - South Glamorgan - Cardiff
- A C T Reprographics Ltd - South Glamorgan - Cardiff
- A E Fogg - South Glamorgan - Cardiff
- A Eveleigh & Sons - South Glamorgan - Cardiff
- A F C Engineering - South Glamorgan - Barry
- A G Trading Co. - South Glamorgan - Cardiff
- A J Projects Ltd - South Glamorgan - Penarth
- A Kiddy Management Consultants - South Glamorgan - Cardiff
- A Littlejohn Ltd - South Glamorgan - Cowbridge
- A M Construction - South Glamorgan - Cardiff
- A M T Marine & Industrial Engineering Ltd. - South Glamorgan - Cardiff
- A McLay & Co. Ltd. - South Glamorgan - Cardiff
- A Plant Acrow (Ashtead) - South Glamorgan - Cardiff
- A S Gulf Services (U K ) Ltd. - South Glamorgan - Cardiff
- A T Lynch Builders - South Glamorgan - Cardiff
- A V C Print & Regalia - South Glamorgan - Cardiff
- A W & I D John - South Glamorgan - Cardiff
- A W A Grove Ltd. - South Glamorgan - Cardiff
- A W E (Anderson Water Equipment) Ltd. - South Glamorgan - Cardiff
- A W Framing Ltd - South Glamorgan - Cardiff
- A-List Cars - South Glamorgan - Cardiff
- A-T Instruments Ltd - South Glamorgan - Cardiff
- A.B.M. (Caterquip) Ltd - South Glamorgan - Cardiff
- A.P.C. Panels Ltd. - South Glamorgan - Barry
- A1 Bailey Building & Roofing - South Glamorgan - Cardiff
- A1 Embroidery - South Glamorgan - Cardiff
- A1 embroidery, Printing & Design Cardiff - South Glamorgan - Cardiff
- A1 Parking Services - South Glamorgan - Barry
- A2D Systems Ltd - South Glamorgan - Cardiff
- AB First Response Ltd - South Glamorgan - Cowbridge
- Abacan Properties Ltd. - South Glamorgan - Cardiff
- Abacus Signs - South Glamorgan - Cardiff
- Abbey Bookbinding - South Glamorgan - Cardiff
- Abbey Lifts Ltd (Cardiff) (Cardiff) - South Glamorgan - Cardiff
- Abccardiff - South Glamorgan - Cardiff
- Aberion - South Glamorgan - Cardiff
- Able Contract Electronics Ltd - South Glamorgan - Cardiff
- Absolute Catering Supplies - South Glamorgan - Cardiff
- Absolute Sign & Print Ltd. - South Glamorgan - Cardiff
- Access Safety Systems Ltd - South Glamorgan - Cardiff
- Accountancy4u - South Glamorgan - Cardiff
- Ace Coin Entertainments Ltd - South Glamorgan - Cardiff
- Ace Portable Accommodation - South Glamorgan - Cardiff
- Ace Scaffolding - South Glamorgan - Cardiff
- Ace Site Services - South Glamorgan - Barry
- Acer Ecology Ltd - South Glamorgan - Penarth
- Acoustic Ceilings Ltd. - South Glamorgan - Cardiff
- Acregem Ltd. - South Glamorgan - Cardiff
- Act Wheels Ltd. - South Glamorgan - Cardiff
- Action Air Conditioning Ltd - South Glamorgan - Cardiff
- Action Airconditioning Ltd. - South Glamorgan - Cardiff
- Action Environmental Waste Management and Recycling - South Glamorgan - Cardiff
- Action Recycling Ltd. - South Glamorgan - Cardiff
- Activ Web Design Cardiff - South Glamorgan - Cardiff
- Ad Hoc Designs Ltd. - South Glamorgan - Cardiff
- Adawall Construction Chemicals - South Glamorgan - Cardiff
- Additions Resourcing Ltd. - South Glamorgan - Cardiff
- Addright - South Glamorgan - Cardiff
- Addtec Resourcing Ltd. - South Glamorgan - Cardiff
- Adecco U K Ltd (Cardiff) - South Glamorgan - Cardiff
- Adler Manufacturing Ltd - South Glamorgan - Cardiff
- ADM:forecast - South Glamorgan - Cardiff
- Adseal Ltd - South Glamorgan - Barry
- Advance Air Ltd. - South Glamorgan - Cardiff
- Advanced Disaster Restoration Services Ltd - South Glamorgan - Cardiff
- Advanced Ecoclean - South Glamorgan - Cardiff
- Advanced Jewel Craft - South Glamorgan - Cardiff
- Advanced Surface Finishing Ltd - South Glamorgan - Cardiff
- Aecom - South Glamorgan - Cardiff
- Aecom Design Build Ltd (Cardiff) (Cardiff) - South Glamorgan - Cardiff
- Aero Precision Engineering Ltd. - South Glamorgan - Cardiff
- AFA-Creations Ltd - South Glamorgan - Cardiff
- Agri S G J Ltd. - South Glamorgan - Cardiff
- Ags Carpentry & Building - South Glamorgan - Barry
- Aid Training Wales - South Glamorgan - Cardiff
- Ainscough Crane Hire (2001) Ltd. - South Glamorgan - Cardiff
- Air Cleaning Systems - South Glamorgan - Cardiff
- Air Lodge - South Glamorgan - Barry
- Air Products Plc - South Glamorgan - Cardiff
- Airchannel Ltd - South Glamorgan - Cardiff
- Airpro Systems (Holdings) - South Glamorgan - Cardiff
- Airvent Systems Ltd - South Glamorgan - Cardiff
- Ak Rainbow Ltd - South Glamorgan - Dinas Powys
- Alan Williams & Co. (Wales) Ltd. - South Glamorgan - Barry
- Alar Engineering Ltd - South Glamorgan - Cardiff
- Alembic Ltd - South Glamorgan - Barry
- Alexander Bullock Furniture Ltd. - South Glamorgan - Cardiff
- Alfred McAlpine Construction (Cardiff) - South Glamorgan - Cardiff
- All Craft Services Ltd - South Glamorgan - Cardiff
- All Swim Ltd. - South Glamorgan - Cardiff
- Allcraft Services - South Glamorgan - Cardiff
- Allen Control Systems Ltd. - South Glamorgan - Cardiff
- Allens Printers Ltd. - South Glamorgan - Cardiff
- Allform Uk - South Glamorgan - Barry
- Alliance Labels Ltd - South Glamorgan - Cardiff
- Alliance Removals - South Glamorgan - Cardiff
- Allied Bakery - South Glamorgan - Cardiff
- Allied Mechanical Engineering Ltd - South Glamorgan - Cardiff
- Allied Technologies Ltd. - South Glamorgan - Cardiff
- Allison's - South Glamorgan - Barry
- Almac Engineering (Air Conditioning) Ltd. - South Glamorgan - Cardiff
- Almic Engineering Co. Ltd (Cardiff) (Cardiff) - South Glamorgan - Cardiff
- Alpha Electrical Repairs Ltd. - South Glamorgan - Cardiff
- Alpha Omega Publishing Ltd. - South Glamorgan - Cardiff
- Alps Engineering - South Glamorgan - Barry
- Altenn Ltd - South Glamorgan - Cardiff
- Altus IT Services Ltd - South Glamorgan - Cardiff
- Aluminium R W Supplies Ltd. - South Glamorgan - Cardiff
- Alurite Ltd. - South Glamorgan - Cardiff
- Alvan Stone Uk Ltd - South Glamorgan - Cardiff
- Amadeus Associates International Ltd - South Glamorgan - Cardiff
- Amalgamated Facilities Management Ltd - South Glamorgan - Cardiff
- Amari Plastics Plc - South Glamorgan - Cardiff
- Amber Chiropody Supplies Ltd - South Glamorgan - Cardiff
- American Sunbeds - South Glamorgan - Cardiff
- Amerigo Ltd - South Glamorgan - Cardiff
- Ametek-Prestolite Switch - South Glamorgan - Cardiff
- Amplifon (Cardiff) - South Glamorgan - Cardiff
- Anderson Construction - South Glamorgan - Cardiff
- Anderson Consultancy Ltd - South Glamorgan - Barry
- Andrew & James Partnership - South Glamorgan - Cowbridge
- Andrew Cunningham (Plant Hire) Ltd. - South Glamorgan - Cardiff
- Andrew Harrison Electronic Design - South Glamorgan - Cardiff
- Andrews Gay & Partners - South Glamorgan - Barry
- Andy Taylor Associates Ltd - South Glamorgan - Cardiff
- Anne Walker - South Glamorgan - Barry
- Anstee & Ware Wales Ltd. - South Glamorgan - Cardiff
- Answers and Solutions Ltd - South Glamorgan - Cardiff
- Answers Ltd - South Glamorgan - Cardiff
- Anthony Griffiths Associates - South Glamorgan - Cardiff
- Anthony Roberts - South Glamorgan - Cardiff
- APLUS Appointments Ltd - South Glamorgan - Cardiff
- April Interiors Ltd. - South Glamorgan - Cardiff
- Arcadia Aluminium Ltd - South Glamorgan - Cardiff
- Architects Benevolent Society (Cardiff) (Cardiff) - South Glamorgan - Cardiff
- Architectural Stone - South Glamorgan - Cardiff
- Argonaut Systems Ltd - South Glamorgan - Cardiff
- Armor Inox Uk Ltd - South Glamorgan - Cardiff
- Army Careers Information Office (Cardiff) (Cardiff) - South Glamorgan - Cardiff
- Arriva Trains Wales - South Glamorgan - Cardiff
- Artis Customer Contact - South Glamorgan - Cardiff
- Arup - South Glamorgan - Cardiff
- Ash Medical Ltd - South Glamorgan - Cardiff
- Ash Memorials Ltd - South Glamorgan - Cardiff
- Ashdown Stables & Sheds Ltd. - South Glamorgan - Cowbridge
- Ashley Signs - South Glamorgan - Penarth
- Ashtead Plant Hire Co (Ireland) (Cardiff) - South Glamorgan - Cardiff
- Asken Associates - South Glamorgan - Cardiff
- Asphaltic Roofing Supplies Ltd - South Glamorgan - Cardiff
- Assaultsystems Gunsmiths - South Glamorgan - Barry
- Asset Management Solutions Ltd - South Glamorgan - Cardiff
- Associated British Ports - South Glamorgan - Cardiff
- Ast Print Group Ltd. - South Glamorgan - Cardiff
- Asta Construction Management Ltd - South Glamorgan - Cardiff
- Aston & Fincher Ltd. - South Glamorgan - Cardiff
- Athena Forensics - South Glamorgan - Cardiff
- Atlantic Box Co. Ltd. - South Glamorgan - Cardiff
- Atlantic Cladding Ltd - South Glamorgan - Barry
- Atlantic Optical (U K ) Ltd. - South Glamorgan - Cardiff
- Atlantic Pacific Marine Ltd - South Glamorgan - Cardiff
- Atlantic Polymers Ltd - South Glamorgan - Cardiff
- Atlantic Recycling Ltd. - South Glamorgan - Cardiff
- Atlantic Waste Management Ltd - South Glamorgan - Cardiff
- Atradius Collections Ltd. - South Glamorgan - Cardiff
- Ats Business Machines - South Glamorgan - Cardiff
- Ats Business Machines - South Glamorgan - Cardiff
- Austin & Andrew Ltd. - South Glamorgan - Cardiff
- Austin Partnership - South Glamorgan - Cardiff
- Austin-Smith:Lord Llp - South Glamorgan - Cardiff
- Auto Printers Cardiff Ltd. - South Glamorgan - Cardiff
- Autolectric (Cardiff) Ltd. - South Glamorgan - Cardiff
- Autopaints (South Wales) Ltd. - South Glamorgan - Cardiff
- Avana Bakeries Ltd - South Glamorgan - Cardiff
- Awa (Cdm) Ltd - South Glamorgan - Cardiff
- AWA Grove Ltd - South Glamorgan - Cardiff
- Aytel Systems Ltd. - South Glamorgan - Cardiff