County Index - Northamptonshire
- 1ST Class Packaging Ltd. - Northamptonshire - Northampton
- 2D CNC Machinery Ltd - Northamptonshire - Rushden
- A & D Formers Ltd. - Northamptonshire - Northampton
- A & N Engineering Services Ltd. - Northamptonshire - Kettering
- A & N Fabrications - Northamptonshire - Northampton
- A H Allen Steel Services Ltd. - Northamptonshire - Northampton
- A S C Metals Ltd. - Northamptonshire - Northampton
- A. M. C. (U.K.) Fasteners Ltd - Northamptonshire - Corby
- Access Garden Products - Northamptonshire - Northampton
- Acme Neon - Northamptonshire - Northampton
- Action Technical Services Ltd. - Northamptonshire - Kettering
- ADEPT Pure Water Ltd - Northamptonshire - Wellingborough
- AEM Products Ltd - Northamptonshire - Rushden
- Agathon (UK) Ltd - Northamptonshire - Daventry
- Agora Services Ltd - Northamptonshire - Kettering
- Agrimac - Northamptonshire - Kettering
- Ainsworth and Woodcock Engineering Company - Northamptonshire - Wellingborough
- Air Conditioning Solutions (Uk) Ltd. - Northamptonshire - Towcester
- Air Systems Air Conditioning & Refrigeration Ltd. - Northamptonshire - Rushden
- AKO UK Ltd - Northamptonshire - Daventry
- Alimak Hek Ltd - Northamptonshire - Rushden
- All Tube Engineering - Northamptonshire - Daventry
- Alma Engineering - Northamptonshire - Daventry
- Alman Engineering Ltd - Northamptonshire - Wellingborough
- Alpha Pallets - Northamptonshire - Northampton
- Alto Digital UK Ltd - Northamptonshire - Corby
- Aluminium Shapes - Northamptonshire - Corby
- Anglian Fasteners Ltd - Northamptonshire - Northampton
- Apple Rochester Gears - Northamptonshire - Wellingborough
- Applied Spring Technology Ltd - Northamptonshire - Northampton
- Arc Machines (UK) Ltd - Northamptonshire - Daventry
- Arnott Handling Equipment Ltd. - Northamptonshire - Northampton
- Astwell Augers Ltd - Northamptonshire - Kettering
- Auto Turned Products (Northants) Ltd. - Northamptonshire - Northampton
- Ayrshire Metal Products (Daventry) Ltd. - Northamptonshire - Daventry
- Ayrshire Metal Products (Daventry) Ltd. - Northamptonshire - Daventry
- B - Tech International Ltd. - Northamptonshire - Daventry
- B S Steelshops - Northamptonshire - Wellingborough
- Baines Racing - Northamptonshire - Towcester
- Baker Thompson (Daventry) Ltd. - Northamptonshire - Daventry
- Bassett & Findley Ltd. - Northamptonshire - Wellingborough
- Bead Works - Northamptonshire - Corby
- Beamhouse Engineering Ltd. - Northamptonshire - Kettering
- Bear Engineering Services Ltd. - Northamptonshire - Wellingborough
- Bearward Engineering Ltd. - Northamptonshire - Northampton
- Beda Technology Ltd - Northamptonshire - Corby
- Best Conveyors - Northamptonshire - Corby
- BL Pneumatics Ltd - Northamptonshire - Rushden
- Blindin' Lights - Northamptonshire - Northampton
- Body Shop Solutions Ltd. - Northamptonshire - Daventry
- Bonnyprep Ltd. - Northamptonshire - Kettering
- Brackley Engineering Services Ltd. - Northamptonshire - Brackley
- Brian James Trailers Ltd. - Northamptonshire - Daventry
- Brixworth Engineering Co. Ltd. - Northamptonshire - Northampton
- Brunel Signs - Northamptonshire - Corby
- Bryn Engineering - Northamptonshire - Rushden
- Buttress Group Ltd. - Northamptonshire - Brackley
- C J Engineering - Northamptonshire - Kettering
- C M C Equipment (Uk) Ltd. - Northamptonshire - Wellingborough
- C M I Joinery - Northamptonshire - Towcester
- C N C Solutions 2000 Ltd - Northamptonshire - Brackley
- C Payne - Northamptonshire - Wellingborough
- Carl Ivings Joinery - Northamptonshire - Brackley
- Carmichael Engineering Ltd. - Northamptonshire - Corby
- Carrs Welding Technologies Ltd - Northamptonshire - Kettering
- Central Engineering Supplies - Northamptonshire - Corby
- Chalen Services - Northamptonshire - Northampton
- Chemence Ltd - Northamptonshire - Corby
- Cirgraphics Ltd - Northamptonshire - Rushden
- Cirrus Trading Ltd. - Northamptonshire - Northampton
- CIS Ltd - Northamptonshire - Northampton
- Cockran Ian E - Northamptonshire - Towcester
- Coe Roger Joinery - Northamptonshire - Northampton
- Cognex UK Ltd - Northamptonshire - Northampton
- Colts Engineering - Northamptonshire - Wellingborough
- Columbia Metals Ltd - Northamptonshire - Northampton
- Commatech (Northampton) Ltd. - Northamptonshire - Northampton
- Complete Safety Systems - Northamptonshire - Northampton
- Conucam - Northamptonshire - Daventry
- Conveyor Accessories Supplies - Northamptonshire - Northampton
- Conveyor Lines Ltd - Northamptonshire - Northampton
- Cooney Marine International Ltd. - Northamptonshire - Kettering
- Cooper Kendall Engineering Ltd. - Northamptonshire - Kettering
- Corby Steel Supplies Ltd. - Northamptonshire - Corby
- Cottingham Engineering Ltd. - Northamptonshire - Kettering
- Cougarflex Hydraulics - Northamptonshire - Wellingborough
- Cousins Engineering - Northamptonshire - Northampton
- CR Products - Northamptonshire - Daventry
- Crane Hill Engineering - Northamptonshire - Northampton
- Crawford Precision Engineering - Northamptonshire - Kettering
- Cummins - Northamptonshire - Daventry
- Cummins UK - Northamptonshire - Wellingborough
- Cupboards Direct Ltd - Northamptonshire - Northampton
- Cutting Systems UK Ltd - Northamptonshire - Rushden
- D L S Electronic Services Ltd. - Northamptonshire - Northampton
- D W O'Brien Ltd. - Northamptonshire - Kettering
- Dale Williams Signs - Northamptonshire - Northampton
- Danetre Workshop Supplies Ltd. - Northamptonshire - Daventry
- Daventry Metal Products Ltd - Northamptonshire - Daventry
- Davison & Pack Ltd. - Northamptonshire - Rushden
- Deane & Amos Aluminium Systems Ltd. - Northamptonshire - Northampton
- Deane and Amos Metalwork Ltd. - Northamptonshire - Northampton
- Debut Doors - Northamptonshire - Kettering
- Design Synergy Ltd - Northamptonshire - Kettering
- DGL Fabrications - Northamptonshire - Daventry
- Diamond Conservatories & Windows (Kettering) Ltd. - Northamptonshire - Kettering
- Dickerman Overseas Contracting Co Ltd - Northamptonshire - Kettering
- Digby Alan W - Northamptonshire - Wellingborough
- Dimension Four - Northamptonshire - Northampton
- Direct Engineering Ltd - Northamptonshire - Rushden
- DJM Precision Engineering - Northamptonshire - Towcester
- Don Smith Blinds Ltd. - Northamptonshire - Northampton
- Drawing Office Services Ltd, The - Northamptonshire - Northampton
- Drew Street Ltd - Northamptonshire - Kettering
- Dura Ltd - Northamptonshire - Brackley
- Duston Engineering - Northamptonshire - Northampton
- Duston Oils - Northamptonshire - Northampton
- E E Watt & Son - Northamptonshire - Towcester
- E M L U K - Northamptonshire - Towcester
- Earl P T - Northamptonshire - Northampton
- East Midland Micro Imaging - Northamptonshire - Northampton
- EDM Precision Technologies Ltd - Northamptonshire - Towcester
- Edward Reddem - Northamptonshire - Wellingborough
- Encon Air Systems Ltd - Northamptonshire - Northampton
- Engineering Animation - Northamptonshire - Northampton
- EngWyse Ltd - Northamptonshire - Daventry
- Exova (Uk) Ltd. - Northamptonshire - Daventry
- Expert Developments Ltd - Northamptonshire - Northampton
- F Brinklow & Co. Ltd. - Northamptonshire - Northampton
- Facet Technologies Ltd. - Northamptonshire - Northampton
- Fagor Automation U K Ltd. - Northamptonshire - Daventry
- Farndon Engineering - Northamptonshire - Daventry
- Fast-Tech Supplies Ltd - Northamptonshire - Northampton
- Fastrax Conveyor Rollers Ltd - Northamptonshire - Corby
- Fearing International (Stock Aids) Ltd. - Northamptonshire - Northampton
- Fein Industrial Power Tools - Northamptonshire - Daventry
- Festo Ltd. - Northamptonshire - Northampton
- FG Metcalfe and Son Ltd - Northamptonshire - Northampton
- Fieldhouse Darrell - Northamptonshire - Rushden
- Flexel (U K) Ltd. - Northamptonshire - Brackley
- Flowmaster Ltd. - Northamptonshire - Towcester
- Forza Italia - Northamptonshire - Towcester
- Franklin Silencers Ltd. - Northamptonshire - Northampton
- Fredan Engineering Ltd. - Northamptonshire - Wellingborough
- Frisby Extrusion Services Ltd. - Northamptonshire - Corby
- Funke - Northamptonshire - Northampton
- G James & Sons Blacksmiths - Northamptonshire - Kettering
- Gallay Ltd. - Northamptonshire - Wellingborough
- Gap-Display Ltd. - Northamptonshire - Kettering
- Garrod & Co. Ltd. - Northamptonshire - Northampton
- Gasman - Northamptonshire - Northampton
- Gemco Equipment Ltd - Northamptonshire - Northampton
- Genteel Associates Ltd. - Northamptonshire - Wellingborough
- Gfm (Uk) Ltd - Northamptonshire - Wellingborough
- Gibbins International - Northamptonshire - Brackley
- Gilmour & Vale Ltd. - Northamptonshire - Wellingborough
- Goliath Materials Handling - Northamptonshire - Daventry
- Gomex Tools Ltd. - Northamptonshire - Wellingborough
- GP Conveyors Ltd - Northamptonshire - Northampton
- Graham Holmes Astraseal Ltd - Northamptonshire - Wellingborough
- Gsi Equipment Ltd - Northamptonshire - Daventry
- Guy Ravine - Northamptonshire - Northampton
- H B Humphries & Co. Ltd. - Northamptonshire - Kettering
- Haddon Craft Forge - Northamptonshire - Northampton
- Hampton Steel Ltd. - Northamptonshire - Wellingborough
- Harlequin Drawing and Design Ltd - Northamptonshire - Northampton
- Hawkes Technical Ltd - Northamptonshire - Wellingborough
- Heat Treatments (Northampton) Ltd. - Northamptonshire - Northampton
- Henderson Fabrications - Northamptonshire - Northampton
- Hendrickson Europe Ltd. - Northamptonshire - Northampton
- Henry T Billson (Kettering) Ltd. - Northamptonshire - Kettering
- Heritage Blinds - Northamptonshire - Kettering
- Herongrange Ltd. - Northamptonshire - Northampton
- High -Tech Processing (U K ) Ltd. - Northamptonshire - Rushden
- Hillside Adr Ltd. - Northamptonshire - Northampton
- Horizon the Conservatory Warehouse - Northamptonshire - Northampton
- Hyspec Industrial Supplies - Northamptonshire - Corby
- I S E Fire Products & Services Ltd. - Northamptonshire - Wellingborough
- Ideal Hose & Safety Ltd. - Northamptonshire - Northampton
- Igus UK Ltd - Northamptonshire - Northampton
- Induced Energy Ltd. - Northamptonshire - Brackley
- Infrared Integrated Systems Ltd. - Northamptonshire - Northampton
- Invicta Engineering Services Ltd - Northamptonshire - Northampton
- J E Matthews & Sons Ltd. - Northamptonshire - Northampton
- J. F. Machines Ltd - Northamptonshire - Kettering
- Jaycee Engineering - Northamptonshire - Corby
- Jayteecee Ltd. - Northamptonshire - Brackley
- John C Bunyan & Partners - Northamptonshire - Wellingborough
- John Davidson (Pipes) - Northamptonshire - Northampton
- John Redden Ltd. - Northamptonshire - Wellingborough
- Johnson Starley Ltd - Northamptonshire - Northampton
- Johnson-Diversey Uk Ltd - Northamptonshire - Northampton
- Jude Engineering - Northamptonshire - Corby
- Kab Tooling Ltd - Northamptonshire - Northampton
- KD Engineering Services Ltd - Northamptonshire - Daventry
- KEB UK Ltd - Northamptonshire - Wellingborough
- Kenval Precision Grinding - Northamptonshire - Northampton
- Kermi (U K) Ltd. - Northamptonshire - Corby
- Kerr Nelson - Northamptonshire - Wellingborough
- Kerstar Ltd. - Northamptonshire - Northampton
- Kingfisher Metal Products Ltd. - Northamptonshire - Kettering
- Krls 2009 Ltd. - Northamptonshire - Corby
- Laboratory Precision Ltd. - Northamptonshire - Daventry
- Ladder Sales Direct - Northamptonshire - Wellingborough
- Ladwa (Engineering) Ltd. - Northamptonshire - Rushden
- Landmark Lifts Ltd. - Northamptonshire - Northampton
- Lee-Dickens Ltd - Northamptonshire - Kettering
- Lennox Industries - Northamptonshire - Northampton
- Lifting Systems Ltd. - Northamptonshire - Northampton
- Lindsey Fabrication & Engineering - Northamptonshire - Kettering
- Linteland - Northamptonshire - Corby
- Lionverge Civils Ltd - Northamptonshire - Northampton
- Lmp Technical Services Ltd - Northamptonshire - Wellingborough
- Logistics Support Analysts Ltd. - Northamptonshire - Northampton
- M & C Services (Northampton) Ltd. - Northamptonshire - Wellingborough
- M & M Access Ltd. - Northamptonshire - Northampton
- M A Thompson Joinery - Northamptonshire - Northampton
- M and R Services (UK) Ltd - Northamptonshire - Northampton
- M C T Engineering Ltd. - Northamptonshire - Daventry
- M K Engineering - Northamptonshire - Northampton
- M W Engineering - Northamptonshire - Northampton
- Macemain + Amstad Ltd. - Northamptonshire - Corby
- Machzone Ltd - Northamptonshire - Wellingborough
- Mailing & Mechanisation (U K) Ltd. - Northamptonshire - Daventry
- Major Machine Tools Ltd. - Northamptonshire - Northampton
- Makin Organs Ltd. - Northamptonshire - Brackley
- Mal - Northamptonshire - Wellingborough
- Mansfield Board Machinery Ltd. - Northamptonshire - Northampton
- Marlec Engineering Co. Ltd. - Northamptonshire - Corby
- Martin W Hart - Northamptonshire - Towcester
- Matt & Gloss Designs Ltd. - Northamptonshire - Daventry
- Maylan Engineering - Northamptonshire - Corby
- Mccarthy Environmental Ltd - Northamptonshire - Northampton
- MD Calibration Services - Northamptonshire - Kettering
- Mechanical & Lubrication Services - Northamptonshire - Northampton
- Meister Abrasives Uk Ltd. - Northamptonshire - Daventry
- Mel-Tec Ltd. - Northamptonshire - Brackley
- Melia Manufacturing Ltd - Northamptonshire - Kettering
- Merley Paper Converters Ltd. - Northamptonshire - Corby
- Merrick Loggin Trailers - Northamptonshire - Brackley
- Metafix (U K) Ltd. - Northamptonshire - Wellingborough
- Metal Techniques (Northants) Ltd - Northamptonshire - Wellingborough
- Meter Mix Systems Ltd - Northamptonshire - Rushden
- Metokote Uk Ltd. - Northamptonshire - Daventry
- Metrol Springs Ltd. - Northamptonshire - Northampton
- Mick Roan - Northamptonshire - Northampton
- Micron Precision (Brixworth) Engineering Ltd. - Northamptonshire - Northampton
- Micron Services Ltd. - Northamptonshire - Daventry
- Microw Engineering Ltd. - Northamptonshire - Kettering
- Microweb Systems - Northamptonshire - Corby
- Midland Product Finishing Ltd - Northamptonshire - Northampton
- Midland Sign Systems Ltd - Northamptonshire - Northampton
- Millen Machine Tools - Northamptonshire - Northampton
- Millroad Joinery - Northamptonshire - Northampton
- Minden Systems Ltd - Northamptonshire - Daventry
- Mipms Ltd - Northamptonshire - Corby
- Morgan Farm Machinery - Northamptonshire - Northampton
- Motogear Ltd. - Northamptonshire - Kettering
- Mss Professional Ltd. - Northamptonshire - Northampton
- N and B Engineering Ltd - Northamptonshire - Towcester
- N R F (United Kingdom) Ltd. - Northamptonshire - Daventry
- N R G Fabrication - Northamptonshire - Northampton
- Neil Matthews Engineering Ltd - Northamptonshire - Wellingborough
- Nemco Metals International Ltd. - Northamptonshire - Northampton
- Nicholls Engineering Services Ltd. - Northamptonshire - Corby
- Nobles Engineering Solutions Ltd. - Northamptonshire - Northampton
- North Park Refridgeration - Northamptonshire - Kettering
- Northampton and Midland Plating Co Ltd - Northamptonshire - Northampton
- Northampton Gauging Services - Northamptonshire - Northampton
- Northampton Joinery - Northamptonshire - Northampton
- Northants Fire Ltd. - Northamptonshire - Northampton
- Northants Precision Grinding Ltd. - Northamptonshire - Northampton
- Northedge Packaging Ltd - Northamptonshire - Rushden
- Nozzletech Ltd. - Northamptonshire - Wellingborough
- Nursery Connections Ltd - Northamptonshire - Corby
- Oakley Products Ltd. - Northamptonshire - Corby
- OAT (Oxford Automotive Technologies) Ltd - Northamptonshire - Daventry
- Obek (U.K.) Ltd - Northamptonshire - Wellingborough
- Obelisk Engineering - Northamptonshire - Wellingborough
- Offaplan Ltd. - Northamptonshire - Daventry
- Opus Metrology - Northamptonshire - Corby
- Ortomotion Ltd. - Northamptonshire - Corby
- P C M Fluid Power Ltd. - Northamptonshire - Northampton
- P J M Precision Engineering - Northamptonshire - Northampton
- Para Tech Coating UK Ltd - Northamptonshire - Northampton
- Peavey Electronics Ltd. - Northamptonshire - Corby
- Ped Technologies Ltd - Northamptonshire - Wellingborough
- Percy Hawkins and Sons Ltd - Northamptonshire - Kettering
- Petes Blinds - Northamptonshire - Wellingborough
- Phils British Bike Bits - Northamptonshire - Rushden
- Phoenix County Metals Ltd - Northamptonshire - Daventry
- Phoenix Training - Northamptonshire - Wellingborough
- Pilkington Andrew - Northamptonshire - Northampton
- Pilz Automation Technology U K Ltd. - Northamptonshire - Corby
- Pioneer Seating - Northamptonshire - Northampton
- Pipercross Ltd - Northamptonshire - Northampton
- Povoas Packaging Ltd. - Northamptonshire - Kettering
- Powdertech (Corby) Ltd. - Northamptonshire - Corby
- Premier Bearing Co. Ltd. - Northamptonshire - Northampton
- Premier Laser Cutting Ltd. - Northamptonshire - Corby
- Profoil Ltd - Northamptonshire - Kettering
- Promail Ltd. - Northamptonshire - Brackley
- Prosaw Ltd. - Northamptonshire - Kettering
- Protech Finishing Ltd - Northamptonshire - Northampton
- Pyburn Engineering - Northamptonshire - Kettering
- Pyramid Laboratories Ltd - Northamptonshire - Corby
- Pyramid Packaging & Finishing Solutions Ltd. - Northamptonshire - Northampton
- Quinton Major Precision Ltd - Northamptonshire - Northampton
- R & G Precision Engineering Ltd. - Northamptonshire - Rushden
- Radical Fabrications - Northamptonshire - Brackley
- Raffenday Ltd. - Northamptonshire - Wellingborough
- Ranheat Engineering Ltd - Northamptonshire - Northampton
- Rational Labelling and Marking Systems Ltd - Northamptonshire - Brackley
- Ray Mallock Ltd - Northamptonshire - Wellingborough
- Read Precision Engineering Ltd. - Northamptonshire - Northampton
- Recol Engineering Ltd - Northamptonshire - Northampton
- Reldale Ltd. - Northamptonshire - Northampton
- Retec Machine Tools Ltd. - Northamptonshire - Daventry
- Rexson Systems Ltd - Northamptonshire - Kettering
- Richard Gary (Contracting) Ltd - Northamptonshire - Northampton
- Richmond Engineering Ltd. - Northamptonshire - Northampton
- Rjc Projects (Engineering) Ltd. - Northamptonshire - Rushden
- Robanna Engineering Ltd - Northamptonshire - Kettering
- Robert Speck Ltd. - Northamptonshire - Towcester
- Rock Foundry - Northamptonshire - Towcester
- Rofin-Baasel (UK) Laser Marking - Northamptonshire - Daventry
- Rotadyne (U.K.) Ltd - Northamptonshire - Kettering
- RS Components Ltd - Northamptonshire - Corby
- S & J Marketing Ltd - Northamptonshire - Northampton
- S & T Precision Castings Ltd - Northamptonshire - Corby
- S A J Sheet Metal Fabrications - Northamptonshire - Wellingborough
- S P C Engineering Ltd. - Northamptonshire - Northampton
- S P C Tools - Northamptonshire - Northampton
- S T Machinery Sales Ltd. - Northamptonshire - Wellingborough
- Safe T Reach Ltd. - Northamptonshire - Corby
- Salcey Precision Engineering Ltd. - Northamptonshire - Northampton
- Sano Tools - Northamptonshire - Northampton
- Sanotools - Northamptonshire - Northampton
- Sartoris Products Ltd. - Northamptonshire - Wellingborough
- Saxon Lifts Ltd. - Northamptonshire - Daventry
- Schumacher Racing Products Ltd. - Northamptonshire - Northampton
- Scot Bennett Engineering - Northamptonshire - Northampton
- Shellplant - Northamptonshire - Northampton
- Shire Mobility Ltd. - Northamptonshire - Northampton
- Sign Right - Northamptonshire - Northampton
- Signature Ribbon Co. Ltd. - Northamptonshire - Northampton
- Signs Express (Northampton) - Northamptonshire - Northampton
- Silver Knitting Machines Ltd. - Northamptonshire - Rushden
- Skatoskalo International Ltd. - Northamptonshire - Daventry
- Soaring Equipment Ltd. - Northamptonshire - Corby
- Southern Group Laboratory Ltd. - Northamptonshire - Corby
- Space Engineering Services - Northamptonshire - Wellingborough
- Specialised Assemblies (W'boro) Ltd. - Northamptonshire - Kettering
- Speed Bird Engineering - Northamptonshire - Kettering
- Spiralock of Europe Ltd - Northamptonshire - Northampton
- Spirol Industries Ltd - Northamptonshire - Corby
- Spray-Craft Coatings Ltd. - Northamptonshire - Wellingborough
- SPX Flow Technology Ltd - Northamptonshire - Northampton
- Standard Engineering Ltd. - Northamptonshire - Kettering
- Stephil Engineering Services - Northamptonshire - Northampton
- Stephill Generators Ltd - Northamptonshire - Wellingborough
- Steps and Stillages Ltd - Northamptonshire - Kettering
- Stertil UK Ltd - Northamptonshire - Northampton
- Storm Print Ltd. - Northamptonshire - Northampton
- Stromag Ltd - Northamptonshire - Rushden
- Stuart Buglass Ironwork Ltd. - Northamptonshire - Northampton
- Studfast Stud Welding Ltd - Northamptonshire - Northampton
- Studio Schemes Ltd. - Northamptonshire - Wellingborough
- Sutch Lifting Equipment Ltd. - Northamptonshire - Northampton
- T Giusti Ltd. - Northamptonshire - Wellingborough
- T and K Precision Ltd - Northamptonshire - Northampton
- T J Walter & Son - Northamptonshire - Daventry
- Tandler Precision Ltd - Northamptonshire - Northampton
- Tangent Self Adhesive Ltd - Northamptonshire - Northampton
- Task Lighting Ltd - Northamptonshire - Northampton
- Tatnell Engineering Services - Northamptonshire - Northampton
- Taylor Kightley Engineering Co. Ltd. - Northamptonshire - Northampton
- Technifast Ltd - Northamptonshire - Corby
- Technitool Ltd. - Northamptonshire - Northampton
- Tennant UK Cleaning Solutions Ltd - Northamptonshire - Northampton
- Terimpex Ltd. - Northamptonshire - Kettering
- The Cyber Sign Co - Northamptonshire - Northampton
- The Fine Book Bindery Ltd - Northamptonshire - Wellingborough
- The Garage Door Centre - Northamptonshire - Wellingborough
- The Gearbox Centre (Northampton) Ltd - Northamptonshire - Northampton
- The Voc Spares Co. Ltd. - Northamptonshire - Kettering
- Three Shires Kitchens - Northamptonshire - Brackley
- Thyssenkrupp Elevator Uk Ltd. - Northamptonshire - Northampton
- Tingdene Homes Ltd. - Northamptonshire - Wellingborough
- Tool-Temp Ltd. - Northamptonshire - Wellingborough
- Torquemeters Ltd. - Northamptonshire - Northampton
- Towability Trailers - Northamptonshire - Wellingborough
- Tower Caravans - Northamptonshire - Wellingborough
- Traffco Ltd. - Northamptonshire - Corby
- Trailer Designs of Wellingborough - Northamptonshire - Wellingborough
- Trimax Mowing Systems Ltd - Northamptonshire - Kettering
- Trinity Engineering (Northampton) Ltd - Northamptonshire - Northampton
- Turbo Technics Ltd. - Northamptonshire - Northampton
- Turnell & Odell Ltd. - Northamptonshire - Wellingborough
- Turner Aluminium Castings Ltd. - Northamptonshire - Kettering
- Tyrolit Ltd. - Northamptonshire - Northampton
- U S S Catering & Bakery Equipment Ltd. - Northamptonshire - Wellingborough
- U-POL Products - Northamptonshire - Wellingborough
- Ubbink Ltd - Northamptonshire - Brackley
- Ultrasonicsuk Com Ltd. - Northamptonshire - Kettering
- Unicorn Automation (Ndt) Ltd. - Northamptonshire - Corby
- United Forktrucks (1992) Ltd - Northamptonshire - Wellingborough
- Universal Adhesive Systems Ltd - Northamptonshire - Daventry
- Utile Engineering Co Ltd - Northamptonshire - Wellingborough
- Utility Fasteners Ltd - Northamptonshire - Northampton
- Utility Fasteners Ltd. - Northamptonshire - Northampton
- Vale Engineering - Northamptonshire - Northampton
- Variohm Eurosensor Ltd - Northamptonshire - Towcester
- Viastore Systems Ltd - Northamptonshire - Northampton
- Victory Engineering Ltd. - Northamptonshire - Daventry
- Vt Valves Ltd. - Northamptonshire - Northampton
- W J Redden & Sons Ltd. - Northamptonshire - Wellingborough
- Warren Scrap & Waste Disposal & Skip Hire - Northamptonshire - Northampton
- Welding Services - Northamptonshire - Corby
- Weltonfield Narrowboats Ltd. - Northamptonshire - Daventry
- Westlands Casting Co. Ltd. - Northamptonshire - Wellingborough
- WH Trade Binders Ltd - Northamptonshire - Daventry
- Whitco Catering & Bakery Equipment Ltd - Northamptonshire - Kettering
- Wicksteed Engineering Ltd. - Northamptonshire - Rushden
- Wieland Werke (U K ) Ltd. - Northamptonshire - Northampton
- Willow Communications Ltd. - Northamptonshire - Northampton
- Winged Aviation Material Supplies Ltd. - Northamptonshire - Northampton
- Winkhaus (UK) Ltd - Northamptonshire - Kettering
- Wittmann (U K) Ltd. - Northamptonshire - Wellingborough
- Wootton, D Agricultural Engineers - Northamptonshire - Daventry
- World Rubber - Northamptonshire - Rushden
- Wycliff Services Ltd. - Northamptonshire - Corby
- Wykes Engineering Co. (Rushden) Ltd. - Northamptonshire - Rushden