Company Index
- N and KC Keyser Ltd - Banbury
- N and P Thermo Plastic Moulders Ltd - London
- N and P Thermo Plastics Moulders (Whitton) Ltd - Hayes
- N and P Windows Ltd - Hitchin
- N L Rubber Ltd - Ballyclare
- NAB Precision Tooling Ltd - Hitchin
- Naiad Plastics Ltd - Littlehampton
- Naish Felts Ltd - Salisbury
- NALCO Ltd - Fareham
- Nalco Ltd - Northwich
- Nampak Plastics - Manchester
- Nampak plc - Dagenham
- Nampak plc - Newport Pagnell
- Naphtha Plastics Ltd - Bury
- Narrow Polythene Films - Ilkeston
- National Plastics - Corby
- National Plastics - West Bromwich
- National Polytunnels - Preston
- Naylor Specialist Plastics formerly Rateoval Ltd - Tipton
- NCB Marking Equipment Ltd - Evesbatch
- ND Rubber Stamp Co - Hexham
- NDL Bends - Cannock
- NE Plastics Ltd - Sidcup
- Neale Plastics Ltd - Malvern
- Negri Bossi Ltd - Warwick
- Nelson Roller and Rubber Company Ltd - Huddersfield
- Neogene Paints Ltd - Watford
- NEPPCO Ltd - Manchester
- Neptune Glassfibre Mouldings - Barnstaple
- Netstal Ltd - Stone
- Netzsch Instruments UK - Aldridge
- New Century Glazing Ltd - Hayes
- New Image Windows - Mansfield
- New Life Windows - Manchester
- Newark Tools Ltd - Walsall
- Newbar (Engineers) Ltd - Halesowen
- Newbuild Installations Ltd - Nottingham
- Newnham Rubber Mills Ltd - Gloucester
- Newport Industries Ltd - London
- Newton Coated Fabrics Ltd - Hyde
- Newtool Engineering Ltd - Southampton
- Newtown Plastics - Newtown
- Nexans Power Accessories Ltd - Castleford
- Neyr UK Ltd - Peterlee
- NFM Iddon Ltd - Leyland
- Nickerson Europe Ltd - Wellingborough
- Nicsar Wilkinson Plastics Ltd - Weymouth
- Ninefields Special Products Ltd - Wickford
- Nissei ASB Ltd - Peterborough
- Nitrotrim Ltd - Monmouth
- Nittel UK Ltd - Burscough
- Nordair Niche South - Braintree
- Nordell Ltd - Worthing
- Norfolk Frames Ltd - Norwich
- Norlin Compounding Services Ltd - Bolton
- Norman Knights Ltd - Wickford
- Normesh Ltd / Northern Mesh and Technical Fabrics - Oldham
- Norplas - Ipswich
- Norseal Ltd - Prudhoe
- Nortest - Northampton
- North Cheshire Holdings Ltd - Warrington
- North East Glass and Glazing Ltd - Darlington
- North East Paper Co Ltd - Newcastle upon Tyne
- North West Polymers Ltd - Belfast
- North West Upvc Ltd - Blackpool
- Northane Chemicals Ltd - Stockport
- Northern Cast Acrylics Ltd - Runcorn
- Northern Exposure - Shetland
- Northern Industrial Plastics Ltd / Colourmaster - Oldham
- Northern Polymers Ltd - Stoke on Trent
- Northern Products Ltd - Ebbw Vale
- Northgate Solar Controls - Barnet
- Northumbria Blow Moulding Ltd - Newcastle upon Tyne
- Northumbria Plastics - Cramlington
- Northwest Dispersions - Ormskirk
- NorthWest Protoypes Ltd - Manchester
- Norton Precision Mouldings Ltd - Ringwood
- Norwich Plastics Ltd - Norwich
- Notedome Ltd - Coventry
- Novacel Ltd - Luton
- NRG Control Ltd - Leamington Spa
- Nu-Pax Ltd - Cheadle (Cheshire)
- Nufox Rubber Ltd - Manchester
- Nupac Clamps - Cradley Heath
- Nylacast Ltd - Leicester
- Nylaplas Engineering Ltd - Bristol
- Nylon Colours Ltd - Aylesbury
- Nypro (UK) Ltd - Wrexham
