County Index - West Glamorgan
- 1ST Call Marneon Signs - West Glamorgan - Swansea
- 3H Joinery & Carpentry Ltd - West Glamorgan - Swansea
- 3M United Kingdom P L C - West Glamorgan - Swansea
- 4 Colour Digital - West Glamorgan - Port Talbot
- 4-Most Security Solutions - West Glamorgan - Swansea
- 64-Bit Computing - West Glamorgan - Swansea
- A Weld Ltd. - West Glamorgan - Neath
- A & I Engineering Ltd. - West Glamorgan - Port Talbot
- A & S Development Services Ltd. - West Glamorgan - Swansea
- A A Abbey - West Glamorgan - Swansea
- A B S Concrete - West Glamorgan - Swansea
- A C / D C Automated Systems Ltd. - West Glamorgan - Swansea
- A Clarke & Co. (Smethwick) Ltd. - West Glamorgan - Port Talbot
- A D K Construction & Maintenance - West Glamorgan - Swansea
- A E Edwards & Son - West Glamorgan - Swansea
- A J F - West Glamorgan - Swansea
- A J McCord - West Glamorgan - Swansea
- A P Logistics Ltd. - West Glamorgan - Neath
- A Parry - West Glamorgan - Swansea
- A1 Amusements - West Glamorgan - Neath
- A1 Energy Surveys Ltd - West Glamorgan - Swansea
- A1 Universal Locksmith - West Glamorgan - Swansea
- Abacus Building & Architectural Services Ltd - West Glamorgan - Swansea
- Abacus Recruitment & Training Services Uk Ltd - West Glamorgan - Swansea
- Abbey Access - West Glamorgan - Neath
- Able Lifting Gear (Swansea) Ltd. - West Glamorgan - Swansea
- Absolute Plumbing & Heating - West Glamorgan - Swansea
- Accounting Office Software Ltd - West Glamorgan - Neath
- Ace Music Pool - West Glamorgan - Neath
- Acorn Chemical Services Ltd. - West Glamorgan - Neath
- Action Recruitment (Wales) Ltd - West Glamorgan - Swansea
- Adams Snooker & Pool - West Glamorgan - Swansea
- Adams' Clearances - West Glamorgan - Batley
- Adawall Construction Chemicals - West Glamorgan - Swansea
- Afon Tinplate Co. Ltd. - West Glamorgan - Swansea
- Afon Toolmakers & Engineers Ltd. - West Glamorgan - Swansea
- Agrimek Ltd. - West Glamorgan - Swansea
- Air Architecture - West Glamorgan - Swansea
- Air Trade Centre Uk Ltd. - West Glamorgan - Swansea
- AJM Sportswear Ltd - West Glamorgan - Neath
- Alabaster William Henry Elliott - West Glamorgan - Swansea
- Alan Lloyd (Meat Wholesalers) Ltd - West Glamorgan - Swansea
- Alan Pops Glasses Shop - West Glamorgan - Swansea
- Alan Seager - West Glamorgan - Swansea
- Alansons Industrial Supplies - West Glamorgan - Swansea
- Alberto-Culver Company (U.K.) Ltd - West Glamorgan - Swansea
- Aleris Recycling (Swansea) Ltd - West Glamorgan - Swansea
- All Terrain Services Ltd - West Glamorgan - Swansea
- Allen & Co. (Industrial Glazing & Painting Specialists) Ltd. - West Glamorgan - Port Talbot
- Allied Healthcare (Swansea) - West Glamorgan - Swansea
- Allied Solutions Ltd - West Glamorgan - Swansea
- Alstom Ltd - West Glamorgan - Swansea
- Alternative Precision Sheet Metal Ltd. - West Glamorgan - Swansea
- Alternative Precision Sheetmetal Ltd - West Glamorgan - Swansea
- Alun Mathias Associates - West Glamorgan - Swansea
- American Shear Knife Co. - West Glamorgan - Swansea
- Amroc Heating Services Ltd. - West Glamorgan - Swansea
- Ancer Recruitment - West Glamorgan - Swansea
- Anchem Laboratories Ltd. - West Glamorgan - Neath
- Andrew Pavlo - West Glamorgan - Swansea
- Andrew Scott Ltd (Port Talbot) - West Glamorgan - Port Talbot
- Andrew Scott Ltd. - West Glamorgan - Port Talbot
- Andrew Sykes Hire (Swansea) - West Glamorgan - Swansea
- Andrews Sykes Hire Ltd - West Glamorgan - Swansea
- Anglia Window Blinds - West Glamorgan - Port Talbot
- Anthony S Radcliffe - West Glamorgan - Port Talbot
- Anthony Selwin J - West Glamorgan - Swansea
- Anton Developments Ltd. - West Glamorgan - Swansea
- Anton Homes Ltd. - West Glamorgan - Swansea
- Apogee Corporation - West Glamorgan - Neath
- Applied Products - West Glamorgan - Swansea
- Architectural Cleaning Services (ACS) - West Glamorgan - Swansea
- Arco Ltd - Swansea - West Glamorgan - Swansea
- Arctic White Windows ( Wheels Ltd.) - West Glamorgan - Swansea
- Ariazone Ltd. - West Glamorgan - Port Talbot
- Armed Forces Careers Office Raf (Swansea) (Swansea) - West Glamorgan - Swansea
- Army Regular Army - West Glamorgan - Swansea
- Artstraws Ltd - West Glamorgan - Swansea
- Assistmost Enterprises Ltd. - West Glamorgan - Swansea
- Astley Samuel Leeder - West Glamorgan - Swansea
- Aston & Fincher Ltd (Swansea) - West Glamorgan - Swansea
- Ateb Consultants - West Glamorgan - Swansea
- Atlas Fire Engineering Ltd - West Glamorgan - Swansea
- Atom Architecture Ltd - West Glamorgan - Swansea
- Atp Contracting Ltd - West Glamorgan - Neath
- Austwel Ltd - West Glamorgan - Swansea
- Autolockwales - West Glamorgan - Swansea
- Autopaints (South Wales) Ltd. - West Glamorgan - Swansea
- Auxilium Engineering Services Ltd. - West Glamorgan - Neath
- Avid Site Services Ltd - West Glamorgan - Port Talbot
- Axium Process - West Glamorgan - Swansea
- Axl Distribution Ltd - West Glamorgan - Port Talbot
- Aypex Electronics Ltd - West Glamorgan - Swansea
- Aztec Global Sprayers Ltd. - West Glamorgan - Swansea
- Aztec Home Improvements Ltd. - West Glamorgan - Swansea
- Azure Designs - West Glamorgan - Port Talbot
- B & A Cranes Ltd. - West Glamorgan - Swansea
- B & R Hire Centre - West Glamorgan - Neath
- B H Evans - West Glamorgan - Swansea
- B Thomas - West Glamorgan - Swansea
- B-line Groundworks - West Glamorgan - Swansea
- Baglan Builders Ltd. - West Glamorgan - Port Talbot
- Bailey Window Blinds - West Glamorgan - Neath
- Bankhead - West Glamorgan - Neath
- Barber Refrigeration - West Glamorgan - Port Talbot
- Bartlett Engineering (South Wales) Ltd. - West Glamorgan - Port Talbot
- Baw Automotive Ltd - West Glamorgan - Swansea
- Bay Cleaning Solutions - West Glamorgan - Swansea
- Bay Hosting Ltd - West Glamorgan - Port Talbot
- Bay View Systems Ltd - West Glamorgan - Swansea
- Baysoft Software Development Ltd - West Glamorgan - Swansea
- Bearing Service Ltd (Swansea) (Swansea) - West Glamorgan - Swansea
- Bearing Suppliers Ltd - West Glamorgan - Swansea
- Beaufort Conveyors - West Glamorgan - Swansea
- Bellingham Steel & Tinplate Co. Ltd. - West Glamorgan - Swansea
- Ben Hughes Engineering Ltd. - West Glamorgan - Swansea
- Ben Hughes Engineering Ltd. - West Glamorgan - Swansea
- Bendall & Son Ltd - West Glamorgan - Port Talbot
- Bennett M E - West Glamorgan - Swansea
- Bermuda Computers Group - West Glamorgan - Swansea
- Bernard Davies Haulage - West Glamorgan - Swansea
- Bernard Lewis (Contractors) Ltd. - West Glamorgan - Swansea
- Berwyn Slate Quarry Ltd. - West Glamorgan - Swansea
- Bfl Electrical Ltd. - West Glamorgan - Port Talbot
- Bias Research Ltd - West Glamorgan - Swansea
- Bickford Construction Ltd. - West Glamorgan - Swansea
- Biffa Environmental Services (Environmental Services Division) - West Glamorgan - Swansea
- Biofutures Ltd - West Glamorgan - Swansea
- Birchtree Mini Travel - West Glamorgan - Swansea
- Black Box Av Holdings Ltd - West Glamorgan - Port Talbot
- Black Box Av Ltd. - West Glamorgan - Port Talbot
- Black Boy Inn - West Glamorgan - Swansea
- Blackwood Wire Products Ltd. - West Glamorgan - Port Talbot
- Blatchford Charles A & Sons - West Glamorgan - Swansea
- Blazers Caravan Co. Ltd. - West Glamorgan - Swansea