| A & H Asprou - Hairdressing and other beauty treatment |
| A & J Motors - Sale of motor vehicles |
| A & N Car & Commercial Repair - Maintenance and repair of motor vehicles |
| A 2 B Cars - Taxi Service |
| A B C Designs - Advertising |
| A B C Leasing - Renting of automobiles |
| A B C Of Glazing - Painting and glazing |
| A B C Valeting - Maintenance and repair of motor vehicles |
| A Baig - Medical practice activities |
| A Beckingham - Manufacture of builders' carpentry and joinery |
| A C Plumbing & Heating Services - Plumber |
| A Cars - Taxi operation |
| A G Adams & Son - Funeral and related activities |
| A G Kirtland - Dental practice activities |
| A Green - Dental practice activities |
| A J Brown - Other human health activities |
| A J's Baguettes - Restaurant |
| A K - Maintenance and repair of motor vehicles |
| A Kirk - Other building completion |
| A L Rees - Other farming of animals |
| A P C Panels Ltd - Manufacture of builders' carpentry and joinery |
| A Pugh - Legal activities |
| A To B Removals - Storage and warehousing |
| A.D.T Service Engineers - Repair of electrical household goods |
| A1 Hire - Renting of other land transport equipment |
| Abbey - Bank |
| Abbeyfield (Barry) Society - Social work activities with accommodation |
| Aberthaw House Hotel - Hotels and motels, with restaurant |
| Ace Site Services (UK) Ltd - Demolition Contractor |
| Acorn Chiropody & Sports Podiatry Services - Other human health activities |
| Acorn Timber Mouldings - Manufacture of builders' carpentry and joinery |
| Acropolis - Bar |
| Admiral Hotel - Bar |
| Adrian Mizen - Plumber |
| Air Cargo Wales Ltd - Activities of other transport agencies |
| Airpro Ductwork Manufacturing Ltd - Other business activities not elsewhere classified |
| Alan Phelan - Other human health activities |
| All Fired Up - Manufacture of other ceramic products |
| All Pets - Wholesale of live animals |
| All Saints Church In Wales Primary School - General secondary education |
| Allcare (South Wales) Ltd - Other human health activities |
| Allen & Harris - Real Estate Agency |
| Allen Tree Services - Forestry and logging related service activities |
| Allen Tree Services - Agricultural service activities |
| Allsta Motors - Maintenance and repair of motor vehicles |
| Alpha - Other supporting air transport activities |
| Alpha Flight Services - Catering |
| Amazing Magic - Artistic and literary creation and interpretation |
| Amelia Trust Pottery - Manufacture of other ceramic products |
| American Pie Diner Ltd - Restaurant |
| Amy Evans - Hospital activities |
| ANC Sameday - Freight transport by road |
| Andreou's - Hairdressing and other beauty treatment |
| Andy Brown Kitchen Services - Other business activities not elsewhere classified |
| Aneurin Evans - Dispensing chemists |
| Angelic Designs - Retail sale of clothing |
| Annette Dobbs - Other human health activities |
| Anterior Dental Laboratory - Other human health activities |
| Apex Coal Ltd - Activities of other transport agencies |
| Apollo Limousines - Other service activities not elsewhere classified |
| Appliance Centre Of Barry Ltd - Repair of electrical household goods |
| Applied Refrigeration - Repair not elsewhere classified |
| Aquaquip (UK) - Construction of water projects |
| Argos Ltd - Retail sale via mail order houses |
| Armando Tartaglia - Adult and other education not elsewhere classified |
| Armspark - Bar |
| Art Signs - Manufacture of other office and shop furniture |
| Arxcis Europe Ltd - Software consultancy and supply |
| Askfrank - Other retail sale in specialised stores |
| Asme Welding - Other building installation |
| Asnew Carpet Cleaning Co Ltd - Industrial cleaning |
| Aspinall's - Other retail sale in specialised stores |
| Assaultsystems - Manufacture of weapons and ammunition |
| Associated Taxis - Taxi Service |
| Associated Taxis - Taxi Service |
| Astoria Sports Trophies - Other retail sale in specialised stores |
| Athena - Restaurant |
| Athena Digital -The Poster Printers - Pre-press activities |
| Athena Takeaway - Restaurant |
| Atlantic Cladding Ltd - Erection of roof covering and frames |
| Atlantic Salvage - Wholesale of waste and scrap |
| Atlantic Spray - Maintenance and repair of motor vehicles |
| Austins Vegetarian Restaurant Ltd - Restaurant |
| Autopro - Maintenance and repair of motor vehicles |
| Avis Rent A Car Ltd - Renting of automobiles |
| Ace Plastering & Building Services - Manufacture of plaster |
| Airparks Services - Car Park Operators-Flat |
| Andreas Asprou Gents Hairstylists - Gentlemen's Hairdresssers |
| A & H Asprou Ltd - Hairdresser |
| Andreou's - Hairdressers And Hair Stylists Ladies' |
| Allison's - Cake Makers & Decorators |
| Aspinall Pre-Stressed Concrete - Manufacturers Of Concrete Products |
| Atlantic Cladding Ltd - Building Supplies Wholesalers |
| Anthea King - Dancing Schools |
| Alison Jones - Dental Surgery |
| Alpha Flight Services - In Flight Catering Sales |
| Admenta Holdings Ltd. - Retail Chemists |
| Admenta Holdings Ltd. - Retail Chemists |
| Anuerin Evan (chemist) - Retail Chemists |
| A D T Service Engineers - Washing Machines Servicing And Repairs |
| A A Curtis Electrical - Electrical Contractors |
| A1 Parking Services - Connector Mfrs-Electronic Applications |
| Abbas Fashions - Family Clothing Stores |
| All Aspect Flooring - Floor Laying & Floorwork Contractors |
| A G Adams & Son - Funeral Directors |
| Arwen L Rees - Farming - Livestock And Other Animals |
| Amy Evans Centre - N H S Clinics |
| Acorn Chiropodist - Chiropodists (podiatrists) |
| Ann J Brown - Physiotherapists |
| Alan Williams & Co (wales) Ltd - Wholesalers Of Ventilation |
| Alembic Ltd - Chemical Manufacturers |
| Anthony Pugh - Solicitors |
| Andrew Studley Agricultural Engineering - Cattle Services - Agricultural Services |
| A.p.c. Panels Ltd. - Upvc Door Panel Wholesalers |
| Associated British Ports Holdings Ltd. - Marine Cargo Handling |
| Associated British Ports - Ports Docks And Harbours |
| Anterior Dental Laboratory - Medical And Dental Laboratories |
| A & J Motors - New & Used Motor Vehicle Dealers |
| Avis Rent A Car Ltd. - Car Rental |
| Adrian Mizen - Plumber |
| Allplumb - Plumber |
| Allform Uk - Plumbing & Heating Services |
| Ash Plumbing & Heating Services - Plumbing Heating & Air Cond Contractors |
| Aquagas - Plumbing Heating And Air-Conditioning Contractors |
| Applied Refrigeration Services - Refrigerators Servicing |
| Atlantic Salvage - Waste Materials Recycling |
| Anthony W Elias - Building Contractor |
| Alpha Airport Catering - Caterer |
| Athena - Fast Food Restaurants And Stands |
| Age Concern - Charity Shop And Advice Centres |
| Aqua-Spas - Retailers Of Hot Tubs And (spas) |
| Annette I Dobbs - Retailers Of Opticians |
| All Pet Garden Supplies - Retailers Of Pets And Pet Supplies |
| Armando Tartaglia - Teacher Singing |
| Alps Engineering - Sheet Metal Work Service Operators |
| Artsigns - Sign Manufacturers |
| Allen Tree Services - Soil Testing Service |
| Aspirations - Florist |
| Asguard Ltd - Asbestos Testing Service |
| ARC Electrical Engineering Solutions Ltd - Electrician |
| Alamo Rent A Car - Cardiff Airport - Car Rental Agency |
| A1 Height Safety - Safety Equipment Supplier |
| Asda Barry Superstore - Supermarket |
| Assisting Hands in the Vale - Home Health Care Service |
| Annie & Lolo - Gift Shop |