All Industry companies in Londonderry
- 3d Limos - Londonderry
- A B A Developments - Londonderry
- A D Canning - Londonderry
- A E McCandless & Co. Ltd. - Londonderry
- A J Christie - Londonderry
- A McCann - Londonderry
- A Q B Architectural Workshop Ltd - Londonderry
- A Q B Architectural Workshop - Londonderry
- A S I - Londonderry
- A S I Architects Ltd - Londonderry
- A. Conway & Co Ltd - Londonderry
- A1 Coach Travel Ltd - Londonderry
- A1 Speediprint Ltd - Londonderry
- Ab Computers - Londonderry
- AB Computers - Londonderry
- Active Alarms - Londonderry
- Agrispares (N I) Ltd. - Londonderry
- Air products Plc t/a Allgo Mechanical Engineering Ltd - Londonderry
- Air Products PLC t/a EF McIntyre and Sons - Londonderry
- Alan McGarrigle Signs - Londonderry
- All Pipe Engineering Ltd. - Londonderry
- Allgo Engineering Supplies Ltd - Londonderry
- Alphatec Wiring Systems - Londonderry
- Ardmore (Co. Derry) Pre-Cast Concrete Ltd. - Londonderry
- Art Glass - Londonderry
- Art Glass (N.I.) Ltd - Londonderry
- Atcheson & Son (Derry) Ltd - Londonderry
- Avaunt It Solutions - Londonderry
- B H P Alarms Ltd. - Londonderry
- B M Groundworks Ltd. - Londonderry
- Ballyarnett Racecourse Preservation Society - Londonderry
- Bap Express Foodservice Ltd - Londonderry
- Bentley Instrument Co. Ltd. - Londonderry
- Betteronics Ltd - Londonderry
- Betty McCloskey - Londonderry
- Blackhill Construction Ltd - Londonderry
- BM Electrical Wholesale Ltd - Londonderry
- Brennan Associates - Londonderry
- Brian Brolly - Londonderry
- Brian McHelhinney - Londonderry
- C & H Foods Ltd. - Londonderry
- C D Kitchens & Bedrooms Ltd - Londonderry
- C J Monaghan & Co. - Londonderry
- C L Design Associates - Londonderry
- C S Architectural Salvage Ltd - Londonderry
- C S Bearings & Transmission - Londonderry
- Cable & Accessories (Northern Ireland) Ltd - Londonderry
- Campsie Fork Lift Services - Londonderry
- Campsie Fuels Ltd - Londonderry
- Campsie Karting Centre - Londonderry
- Campsie Paper Co. Ltd. - Londonderry
- Canavan Associates Ltd - Londonderry
- Capital (Hair & Beauty) Ltd (Londonderry) - Londonderry
- Car Lease 4 You - Londonderry
- Carella Laminate Systems Ltd. - Londonderry
- Carl Bradley - Londonderry
- Carmoney Water Treatment Works - Londonderry
- Caroline C Dickson - Londonderry
- Cedel Communincations - Londonderry
- Charles Currie - Londonderry
- Chefs' Mate Ltd - Londonderry
- Chemex N.I - Londonderry
- City Boiler Services - Londonderry
- City Centre Initiative Ltd - Londonderry
- City Contract Cleaners Ltd. - Londonderry
- City Home Bakery - Londonderry
- City of Derry Golf Club - Londonderry
- City Paints & Wallpapers - Londonderry
- City Pets - Londonderry
- City Roofing and Asphalt Services Ltd - Londonderry
- Classical Mouldings - Londonderry
- Claudy - Londonderry
- Claudy Fuels - Londonderry
- Clear Stream Consulting - Londonderry
- Clifford Wholesale - Londonderry
- Clooney Meats - Londonderry
- Com Cubed Ltd - Londonderry
- Concrete Velvet - Londonderry
- Confisec Ltd - Londonderry
- Consarc - Londonderry
- Coolkeeragh Esb Ltd - Londonderry
- Corem Engineering Ltd. - Londonderry
- Cormac Hasson - Londonderry
- Corus Steel Service - Londonderry
- Cottage Conservatories - Londonderry
- Counselling Care Services - Londonderry
- Cowan Brothers - Londonderry
- Cpc Office Supplies Ltd. - Londonderry
- Craigview Developments Ltd - Londonderry
- Creative Studio Glass Design Ltd - Londonderry
- Cross Quays Engineering Ltd. - Londonderry
- Culmore Square Management Co. Ltd - Londonderry
- Culmore Stores Ltd - Londonderry
- Cunamh Ict Ltd - Londonderry
- D & M Farm Services Ltd. - Londonderry
- D F A - Londonderry
- D V Ferry Building Services Ltd - Londonderry
- D.T.M. Consultants - Londonderry
- Darry Duff Farm - Londonderry
- David Moore - Londonderry
- David N Thomas - Londonderry
- Dawson Hinds - Londonderry
- Deeny's - Londonderry
- Delap and Waller Ltd - Londonderry
- Denny Henry & Sons (N.I.) - Londonderry
- Dermot o'Donnell - Londonderry
- Derry Building Supplies Ltd - Londonderry
- Derry Youth & Community Workshop - Londonderry
- Design & Survey - Londonderry
- Design and Survey - Londonderry
- Df1 Solutions Ltd - Londonderry
- Diamond Corrugated Cases Ltd. - Londonderry
- Diesel Card International Ltd - Londonderry
- Discount & Ex Inventory Ltd - Londonderry
- Discount Home Supplies - Londonderry
- Doc Pot - Londonderry
- Doire Dress Designs Ltd - Londonderry
- Don Laughlin & Co Ltd - Londonderry
- Driver Hire (Foyle) - Londonderry
- E G Mitchell - Londonderry
- E H Allingham Construction Ltd - Londonderry
- Easiware - Londonderry
- Eason & Son (N.I) Ltd (Londonderry) - Londonderry
- ECIS - Londonderry
- Eden Dry Lining Ltd - Londonderry
- Edward Kerr - Londonderry
- Eglinton (Timber Products) Ltd. - Londonderry
- Eglinton Cold Stores Ltd - Londonderry
- Eglinton D I Y Ltd - Londonderry
- Eglinton Variety Store - Londonderry
- Emergency Aid Supplies Ltd - Londonderry
- Ennis Bros - Londonderry
- Euro Control Panel Specialists Ltd. - Londonderry
- Euro Security & Fire Ltd - Londonderry
- Ever-Rest Beds - Londonderry
- Exclusiv Fitted Interiors - Londonderry
- F G M Fire Protection - Londonderry
- Fabric World Group - Londonderry
- Factory Automation Sysems Technologies Ltd. - Londonderry
- Fancy Dress Shops - Londonderry
- Fermac Properties - Londonderry
- Fernwave (Civils) Ltd. - Londonderry
- Fiesta Blinds - Londonderry
- Fiesta Blinds & Fabrics Ltd. - Londonderry
- Fleming Agri-Products Ltd. - Londonderry
- Flite Software (N I ) Ltd - Londonderry
- Forrest Mac Combe - Londonderry
- Forth & Foyle (Ni) Ltd. - Londonderry
- Foyle Blinds Co - Londonderry
- Foyle Blinds Ltd. - Londonderry
- Foyle Chipping Co - Londonderry
- Foyle Communications - Londonderry
- Foyle Electrics (Wholesale) Ltd - Londonderry
- Foyle Freight - Londonderry
- Foyle Meats - Londonderry
- Foyle Skip Hire - Londonderry
- Foyleside Plumbing Supplies - Londonderry
- Foylevent Fabrications Ltd. - Londonderry
- Framed to Perfection - Londonderry
- Frank Hasson - Londonderry
- Fuel Preparations (International) Ltd - Londonderry
- Future Fitness Systems Ltd. - Londonderry
- Fyth Ltd - Londonderry
- G & G Warnock - Londonderry
- G A Parke & Sons Ltd. - Londonderry
- G Nesbitt & Sons - Londonderry
- Gallagher & Mc Kinney Ltd. - Londonderry
- Gary Crothers - Londonderry
- George Foster Construction Ltd. - Londonderry
- George Long Associates Llp - Londonderry
- Gibson Plant Hire - Londonderry
- Gillen Fuels Ltd - Londonderry
- Glen Building Services Ltd - Londonderry
- Glenkeen Furnishings Ltd - Londonderry
- Glenpark Environmental Services Ltd. - Londonderry
- Graphix Signs-Screen Printing - Londonderry
- Gregory Donnelly - Londonderry
- Gsl Tractors - Londonderry
- Guildhall Press - Londonderry
- Gulfstream Marine Ltd - Londonderry
- Gum-Rap - Londonderry
- H M D Architects Ltd - Londonderry
- H S Fixings - Londonderry
- Hasson Concrete - Londonderry
- Hegarty Architects - Londonderry
- Hegarty Butchers - Londonderry
- Henderson Music Ltd. - Londonderry
- Henry B McNulty - Londonderry
- Henry's Blinds Tiles & Bathrooms Ltd - Londonderry
- Hire-A-Loo Ltd. - Londonderry
- Hivolt Capacitors Ltd. - Londonderry
- Holmes Cash & Carry (Londonderry) - Londonderry
- House & Home - Londonderry
- Hugh Henry - Londonderry
- Hunter Apparel Solutions Ltd. - Londonderry
- I Cooper - Londonderry
- IEB Software - Londonderry
- Ilex Urban Regeneration Company Ltd - Londonderry
- Image Branding Ltd. - Londonderry
- Improve Your Business Ltd - Londonderry
- Independant Fertilisers - Londonderry
- Instant Hose & Hydraulic Services - Londonderry
- Interior Dreams At Castle Furnishings Ltd - Londonderry
- Intertech NI Ltd - Londonderry
- Irwin Dougherty Engineering - Londonderry
- Izudoo Ltd - Londonderry
- J & H Patton - Londonderry
- J C A Developments Ltd - Londonderry
- J C R Network Services Ltd - Londonderry
- J J Kelly - Londonderry
- J P Corey & Co - Londonderry
- J P o'Doherty & Son - Londonderry
- J S E Computing Ltd - Londonderry
- J T McCauley - Londonderry
- J.P.Mcdougall & Co. Ltd (Londonderry) - Londonderry
- James Doherty (Meats) Ltd. - Londonderry
- James Sammon & Co. - Londonderry
- James Sammon & Co. Ltd. - Londonderry
- James T o'Neill - Londonderry
- James W. Corry & Sons (Campsie) Ltd - Londonderry
- JB Conway and Sons - Londonderry
- Jean Dunlop - Londonderry
- Jfc Construction Ltd - Londonderry
- John Cuthbert - Londonderry
- John A Kealey - Londonderry
- John Bradley Architects - Londonderry
- John Deeny Ltd - Londonderry
- John Doherty & Sons - Londonderry
- John Duncan McMonagle - Londonderry
- John M Connell - Londonderry
- Johnson Produce Ltd - Londonderry
- Joseph Mulheron - Londonderry
- Jpm Contracts Ltd. - Londonderry
- K G Harkin - Londonderry
- K J S Architects - Londonderry
- K McDuff & Co. Ltd. - Londonderry
- K Plcontracts Ltd. - Londonderry
- K W Surveyors - Londonderry
- K&R McGowan Ltd - Londonderry
- K.P.L. Utility Services Ltd - Londonderry
- Kanesbrook Developments Ltd - Londonderry
- Kanesbrook Developments Ltd - Londonderry
- Kercon Construction Ltd - Londonderry
- Kevin Mcglinchey - Londonderry
- Kevmar Precision Engineering (N.I.) Ltd - Londonderry
- Kingfisher Environmental - Londonderry
- Kpd Solutions Ltd - Londonderry
- Kriterion Conservation Architects - Londonderry
- Lafferty Plant Sales Ltd - Londonderry
- Lcp Refrigeration Ltd - Londonderry
- Leckpatrick Oils Ltd - Londonderry
- Lermagh Graphics Ltd - Londonderry
- Liberty Tours (Ni) Ltd. - Londonderry
- Life Tree - Londonderry
- Londonderry Chamber of Commerce - Londonderry
- Longfield Roof Truss (N.I.) Ltd - Londonderry
- Lucid Interactive Ltd - Londonderry
- M C D Graphics - Londonderry
- M C R Consulting Engineers Ltd - Londonderry
- M K A Planning Ltd - Londonderry
- M P McElhinney & Sons - Londonderry
- M.H. Associates Derry Ltd - Londonderry
- MacGen Power Generation Ltd - Londonderry
- Macnaughton Blair Ltd (Londonderry) - Londonderry
- Manor Mouldings (N I ) Ltd. - Londonderry
- Marc-Five Ltd. - Londonderry
- Marcus Orr - Londonderry
- Mark 1 Agencies Ltd - Londonderry
- Martin Food Equipment (Northern Ireland) Ltd. - Londonderry
- Mason & Co - Londonderry
- Maydown Ebrington Group Ltd. - Londonderry
- Maydown Precision Engineering Ltd. - Londonderry
- Mc Garrigle + Jackson Ltd - Londonderry
- McCann Refrigeration & Air Conditioning Ltd. - Londonderry
- McCloskey and O'Kane Building Co Ltd - Londonderry
- McDonnell Design - Londonderry
- McGirr Architects - Londonderry
- McIvor Plastics Ltd. - Londonderry
- MCL Ltd - Londonderry
- McLaughlin Fitted Furniture - Londonderry
- McMenamin Plant Ltd. - Londonderry
- McNeely Bros - Londonderry
- Mechanical Installations & Maintenance (N.I.) Ltd - Londonderry
- Michael Harkin Wedding Cars - Londonderry
- Michael McLaughlin & Sons Ltd - Londonderry
- Millar Savoury Foods Ltd. - Londonderry
- Millar's Video Club - Londonderry
- MIM (ni) Ltd - Londonderry
- Moore's Fuels - Londonderry
- Mountainview Ltd - Londonderry
- Moyle Trading Co. Ltd - Londonderry
- Mpa Recruitment Ltd. - Londonderry
- Mr Phillippes Wedding Hire & Formal Wear - Londonderry
- MTEC Brakes - Londonderry
- Mulderg House Farm - Londonderry
- Mullarkey & Pedersen Architects - Londonderry
- Murdocks (Derry) Ltd - Londonderry
- Murray Tiles of Patrick Street Ltd - Londonderry
- Natural Stone Fireplace Co - Londonderry
- Neff & Co Architects & Planning Supervisors - Londonderry
- Neil Donaghy - Londonderry
- Newline Consultancy Services Ltd. - Londonderry
- Newtownstewart Construction Ltd. - Londonderry
- Nicholl (Fuel Oils) Ltd - Londonderry
- Nmor-Den Electrical - Londonderry
- Noel Gallagher - Londonderry
- Noribic Ltd. - Londonderry
- North West Asbestos Surveys - Londonderry
- North West Business Complex Ltd - Londonderry
- North West Car Breakers - Londonderry
- North West Catering Equipment Ltd - Londonderry
- North West Fencing - Londonderry
- North West Lawnmowers Ltd - Londonderry
- North West Office Services - Londonderry
- North West Pork Products - Londonderry
- North West Till Systems - Londonderry
- North West Window Blinds - Londonderry
- North West Wood Turning - Londonderry
- Northern Ireland Union of Supported Employment - Londonderry
- Northland Engineering - Londonderry
- Northwest Seeds - Londonderry
- Nu Print Technologies Ltd - Londonderry
- O'Kane Bros - Londonderry
- o'Kane Brothers (Woodworking) Ltd - Londonderry
- o'Neill Bros (Building Contractors) Ltd - Londonderry
- Oasis Refrigeration and Air Conditioning - Londonderry
- Omega Mechanical Services Ltd. - Londonderry
- Orr Bros - Londonderry
- P & J Fabrication - Londonderry
- P B Forklifts - Londonderry
- P Ferguson & Sons Ltd - Londonderry
- Pakflatt (Uk) Ltd. - Londonderry
- Palm Beach Sunbeds - Londonderry
- Park Pcs Ltd - Londonderry
- Partridge Peartree Promotions Ltd - Londonderry
- PC Patrol - Londonderry
- Peak Environmental (Uk) Ltd - Londonderry
- Pennyburn A P B Lift Trucks - Londonderry
- Perfecseal Ltd - Londonderry
- Peter Shaw - Londonderry
- Petermac Associates - Londonderry
- Pipesketch Ltd - Londonderry
- Plumb Center (Londonderry) - Londonderry
- PPSL (Precision Processing Services Ltd) - Londonderry
- Print It for Me.Com Ltd - Londonderry
- Process Engineering Services (Ni) Ltd - Londonderry
- Pumasource - Londonderry
- Q Fuels - Londonderry
- R G Craig - Londonderry
- R J & R D Buchanan - Londonderry
- Raemac Interior Systems Ltd - Londonderry
- Ready Mixed Concrete (Ulster) - Londonderry
- Reed (Londonderry) - Londonderry
- Reid Brothers - Londonderry
- Retail Software Technology Ltd - Londonderry
- Retail Systems Technology Ltd - Londonderry
- Ritchie Plant Hire Ltd - Londonderry
- Rob Carmichael - Londonderry
- Robert Keys & Co. Ltd. - Londonderry
- Robert S Moody - Londonderry
- Robert Smith & Co. (Derry) Ltd - Londonderry
- Robinson Bros - Londonderry
- Robinson Patterson Partnership - Londonderry
- Roy Hamilton - Londonderry
- Royal Mail - Londonderry
- Russell Tiles - Londonderry
- Rutledge Joblink (Londonderry) - Londonderry
- S & W Faller - Londonderry
- S.W.F. Fabrications (N.I.) Ltd - Londonderry
- Sandra Sherlock Associates - Londonderry
- Seamus Canavan & Associates - Londonderry
- Sean McLaughlin Architechts - Londonderry
- Season Harvest (Ni) Ltd - Londonderry
- Sewing Machine Service - Londonderry
- Signs Express (Derry) - Londonderry
- Singularity Ltd. - Londonderry
- Social Capital (North West) Cic - Londonderry
- Springtown Fuels - Londonderry
- St.Brendans Irish Cream Liqueur Co. Ltd. - Londonderry
- Stevensons Kitchens & Bedrooms Ltd - Londonderry
- Stydio 4d Architects - Londonderry
- Sunesis - Londonderry
- Supertan Sunbeds - Londonderry
- Swilly Northwest Blinds - Londonderry
- T B McBride - Londonderry
- T O'Connell & Sons - Londonderry
- T. McLaughlin & Sons Ltd - Londonderry
- T.K.Brolly Enterprises Ltd - Londonderry
- The Annex Gallery - Londonderry
- The Black Tie Showroom Ltd - Londonderry
- The Control Shop - Londonderry
- The Department of Finance & Personnel (Londonderry) - Londonderry
- The Dutch Furniture Workshop - Londonderry
- The Foyle Fresh Produce Ltd - Londonderry
- The Fresh Food Kitchen Ltd - Londonderry
- The Perfume Shop Ltd (Londonderry) - Londonderry
- The Really Useful Design Co - Londonderry
- Thomas O'Kane - Londonderry
- Thomas's the Goldsmith - Londonderry
- Thorndale Environmental Recycling Ltd. - Londonderry
- Tile Image Ltd - Londonderry
- Tile Market - Londonderry
- Timberdwell Homes - Londonderry
- Timbertons - Londonderry
- Top Tier Cake Design - Londonderry
- Toptours Ireland - Londonderry
- Total Engineering - Londonderry
- Total Engineering and Design Ltd - Londonderry
- Tracey Associates - Londonderry
- Tracys Bar - Londonderry
- Tuk Metal Partitions Ltd - Londonderry
- Typewriter & Copier Services - Londonderry
- U-Bake Ltd. - Londonderry
- Uel Keys - Londonderry
- Universal Cleaning Supplies Ltd - Londonderry
- Valley Roofing Ltd - Londonderry
- Vertiking Services Ltd - Londonderry
- Vital Services Ltd - Londonderry
- Vodafone Retail Outlet (Londonderry) - Londonderry
- W & J Chambers Ltd. - Londonderry
- W Canning Concrete - Londonderry
- W E Boggs & Sons - Londonderry
- W M G Dixon - Londonderry
- W McEvoy - Londonderry
- W Mitchell - Londonderry
- Wafer Enterprises Ltd. - Londonderry
- Wholesale Newspaper Services Ltd. - Londonderry
- William Donnell Bakery Engineer - Londonderry
- William Grant and Co. Ltd. - Londonderry
- William O'Kane - Londonderry
- William Samuel Ritchie - Londonderry
- Wilson Craig - Londonderry
- Wilson Steel Products - Londonderry
- Window Magic - Londonderry
- Women in Enterprise (N I ) Ltd. - Londonderry
- Woodvale Interiors - Londonderry
- Www.Petesmithcomputers.Com - Londonderry
- Yes! Publications Ltd - Londonderry
- Zenith Services N I Ltd - Londonderry