Company Index
- N & P Thermo-Plastic Moulders (Acton) Ltd. - London
- N & P Windows Ltd. - Hitchin
- N A B Precision Tooling Ltd. - Hitchin
- N D L Bends - Cannock
- N. & P. Thermoplastic Moulders (Whitton) Ltd - Hayes
- Naiad Plastics Ltd. - Littlehampton
- Naish Felts Ltd - Salisbury
- Nalco Ltd - Northwich
- Nampak - Newport Pagnell
- Nampak Paper Holdings Ltd - Bagshot
- Nampak plc - Dagenham
- Naphtha Plastics Ltd. - Bury
- Narrow Polythene Films Ltd. - Ilkeston
- National Plastics - Cardiff
- National Polytunnels Ltd. - Preston
Naylor Specialist Plastics formerly Rateoval Ltd - Tipton
- NCB Marking Equipment Ltd - Evesbatch
- ND Rubber Stamp Co - Hexham
- NE Plastics Ltd - Sidcup
- 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
- Network Veka Ltd. - Burnley
- Netzsch Instruments UK - Aldridge
- New Century Glazing Ltd. - Hayes
- New Image Windows - Mansfield
- Newbar (Engineers) Ltd. - Halesowen
- Newbuild Installations Ltd - Nottingham
- Newport Industries Ltd. - London
- Newton Coated Fabrics Ltd. - Hyde
- Newtool Engineering Ltd - Southampton
- Newtown Plastics Ltd. - Newtown
- Nexans Power Accessories (Uk) Ltd. - Castleford
- NFM Iddon Ltd - Leyland
- Ninefields Special Products Ltd. - Wickford
- Nissei A S B 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. - Oldham
- Norplas - Ipswich
- Norris D - Liverpool
- Norseal Ltd - Prudhoe
- Norsound - 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 Prototypes Ltd. - Manchester
- Northane Chemicals Ltd - Stockport
- Northern Cast Acrylics Ltd - Runcorn
- Northern Industrial Plastics Ltd. - Oldham
- Northern Polymers and Plastics Ltd - Stoke on Trent
- Northgate Solar Controls - Barnet
- Northwest U P V C Ltd - Blackpool
- Notedome Ltd. - Coventry
- Novacel Ltd - Luton
- NRG Control Ltd - Leamington Spa
- Nu-Pax Ltd - Cheadle (Cheshire)
- Nufox Rubber Ltd. - Manchester
- Nylacast Ltd - Leicester
- Nylaplas Engineering Ltd - Bristol
- Nylon Colours Ltd - Aylesbury
- Nypro (UK) Ltd - Wrexham
