- National Sameday - Kimpton Road, Luton, Bedfordshire, LU2 0SX
- National Signs Limited - Smeckley Wood Close, Chesterfield, Derbyshire, S41 9PZ
- National Stabling - Ashford Road, Kent, ME13 0JX
- National Stage Technology - Poulton Road, Wirral, Merseyside, CH63 9LN
- National Stage Technology - Electric Avenue, Oxford, Oxfordshire, OX2 0BY
- National Stair Nosings & Floor Edgings - 552 Mitcham Road, Croydon, Surrey, CR0 3AA
- National Strapping - Unit 1-2, Liverpool, Merseyside, L7 9PL
- National Test Services - The White House, Gloucester, GL2 5JA
- National Tube Stockholders Ltd - Dalton Airfield Industrial Estate, North Yorkshire, YO7 3HE
- National Tyres & Autocare - Regent House, Stockport, Cheshire, SK4 1BS
- National Ventilation - Stathe Road, Taunton, Somerset, TA7 0RY
- National Windscreens - Unit 1, Newbury, Berkshire, RG14 7NE
- National Zorbing Services - The Coach House, Bodmin, Cornwall, PL31 2EH
- Nationwide Air Conditioning Ltd - Agusta House, Edenbridge, Kent, TN8 6ED
- Nationwide Asbestos Contractors Ltd - 28A-28D Gateacre Brow, Liverpool, Merseyside, L25 3PB
Companies 226 to 240 | Page 16 of 103