Construction Company Index - N
- N Stephenson & Son (Kettering) Ltd. - Kettering
- N & P Windows Ltd. - Hitchin
- N and C Building Products Ltd - Dagenham
- N and C Tilestyle - Southampton
- N and C Tilestyle - London
- N and L Warden (Contractors) Ltd. - Montrose
- N B Construction - Tewkesbury
- N B M Timber Products Ltd. - Hull
- N Barrat - Bedworth
- N Byrom - Barnstaple
- N C C Building & Civil Engineering Contractors Ltd. - Wickford
- N C S (Counter Sales) Ltd. - London
- N Coppard - Heathfield
- N F F Precision Ltd. - Bournemouth
- N U B Engineering Ltd. - Motherwell
- NAB Plant Engineering - Bristol
- Naio Environmental Ltd - Maldon
- Naish A J & Sons - Frome
- Nal Plant Ltd - Chesterfield
- Nanhoron Granite Quarry - Pwllheli
- NanoTech (UK) Solutions Ltd - Great Gransden
- Nanouth - Halesowen
- Nant Newydd Quarry - Brynteg
- Nathan Consultants - Maidstone
- Nationwide Platforms - Durham
- Nationwide Sky Lift - St Albans
- Nationwide Structures Ltd - Wakefield
- Nationwide Windows (U K) Ltd. - Rugby
- Natiowide Wood Windows and Doors Ltd - Waltham Abbey
- Natural Conservatories Ltd. - Settle
- Natural Stone Sales Ltd - Matlock
- Natural Stone Surfaces Ltd. - High Peak
- Navan Quarries - Armagh
- Naylor & Walkden Ltd. - Chorley
- NCE Windows and Conservatories Ltd - St Helens
- ND Brown Ltd - Wolverhampton
- Ndb Tipper & Plant Hire Ltd. - Huddersfield
- NDY UK Ltd - London
- Neaco Ltd - Malton
- Neat Concepts Ltd. - London
- Neatford Ltd. - Broadway
- Neelas Ltd - Birmingham
- Neil Harker Ltd. - Market Rasen
- Neil Price Ltd - Barrow in Furness
- Neil Sullivan & Son - Canvey Island
- Neilcott Construction Ltd - Orpington
- Neils Bobcat Hire & Sales - Llandysul
- Neils Crafts - Warwick
- Nelson Butler & Son Ltd. - Horncastle
- Nelson Construction Co. Ltd. - Treharris
- Nemac Fabrications Ltd - Stockport
- Nene Engineering (Peterborough) Ltd. - Peterborough
- Nepean Timber & Marble Importers - Huddersfield
- Nero Signs (Glass/Designs) Ltd. - London
- Nes Global Ltd. - Altrincham
- Net-Recruit Co. Uk - Glossop
- Nether Water Plant Services - Buxton
- Netlon Turf Systems ADP Ltd - Crewe
- Network Languages Ltd - Ascot
- Network Plant Hire - Watford
- Network Plant Ltd. - Croydon
- Network Technical Services Ltd - Colchester
- Nevill Fabrications Ltd. - Derby
- Neville Construction Group Ltd. - Luton
- Neville Melhuish Motors Ltd. - Chipping Norton
- New Energy Lighting Co Ltd - Lincoln
- New Forest Fencing & Gates - Southampton
- New Forest Woodburning Centre Ltd. - Lymington
- New Image Tile Studio Ltd - Weymouth
- New Look Replacement Windows Ltd. - Rochdale
- New Mix Concrete - Pudsey
- New Tredegar Skip Hire - New Tredegar
- New Venture Products Ltd - Didcot
- Newall Civil Engineering Ltd. - Attleborough
- Newark Copper Cylinder Co Ltd - Newark
- Newcastle Flooring Co Ltd - Newcastle upon Tyne
- Newfab Services - Liverpool
- Newflair Ltd. - Swansea
- Newfound Energy Ltd. - Congleton
- Newhall Construction (Midlands) Ltd - Swadlincote
- Newland Design Ltd - Carnforth
- Newlay Civil Engineering - Airdrie
- Newmarket Plant Hire Ltd - Luton
- Newmarket Plant Hire Ltd - Newmarket
- Newnova Ltd. - Windsor
- Newton Waterproofing Systems - Tonbridge
- Newtownstewart Construction Ltd. - Londonderry
- Niall Bailey (Building Supplies) Ltd. - Coventry
- Nicholas Grimshaw Holdings Ltd. - London
- Nicholas Ray Associates Ltd - Cambridge
- Nicholls Steel Company Ltd - West Bromwich
- Nico Manufacturing Ltd - Clacton on Sea
- Niddal Windows Ltd. - Knaresborough
- Nigel Davies Civil Engineering Ltd - Hereford
- Nigel Jeremy Cleeves - Bognor Regis
- Nigel Paul Harris - Tiverton
- Nightguard Security Systems Ltd - Smethwick
- Nightingale Chancellors - Richmond
- Nisbet of Kirknewton Ltd. - Kirknewton
- Niven Plant Hire - Aberdeen
- Niw Uk Ltd. - Perranporth
- Nms Civil Engineering Ltd. - Wigan
- Noberne Seals Ltd - Leeds
- Noble Denton Consultants Ltd. - London
- Nolan Davis Contracting Ltd - Southampton
- Nomad Dot Com Ltd - Southend on Sea
- Non Slip Bath Safety Circles - Totnes
- Noone Pipelines Ltd - Corby
- Norcroft Equestrian Developments - Norwich
- Norfield Construction Ltd. - Birmingham
- Norfolk Hire Service - Harleston
- Norfolk Homes Ltd. - Sheringham
- Norman O'Neill - Coleraine
- Norman & Phyllis Goodyear Plant Hire - Basingstoke
- Norman Boshell - Basildon
- Norman Rhead Precast - Stoke on Trent
- Normanton Groundworks - Pontefract
- Normesh Ltd. - Oldham
- Normid Simplifile Ltd - Aldridge
- Norris D - Liverpool
- Norris Plant Hire & Sales Ltd - Nottingham
- Norscaff Ltd. - Dungannon
- North Cheshire Holdings Ltd. - Warrington
- North Kent Joinery Ltd - Chatham
- North Kent Shotblasting Co. Ltd. - Leicester
- North Notts Sheet Metal Ltd. - Nottingham
- North Offshore Ltd - Aberdeen
- North Walsham Plant Hire - North Walsham
- Northbourne Engineering Ltd - Dover
- Northcot Brick Ltd - Moreton in Marsh
- Northern Cullet Ltd. - Barnsley
- Northern Engineering Ltd. - Dungannon
- Northern Forklift (Scotland) Ltd. - Glasgow
- Northern Garage Doors - Wirral
- Northern Gas Heating - Wolverhampton
- Northern Joinery Ltd. - Rochdale
- Northern Plant Services Ltd. - Liverpool
- Northern Safety Net Systems - Blackburn
- Northern Steel Decking Ltd. - Sheffield
- Northern Structural Services Ltd - Macclesfield
- Northern Structures Ltd - Morpeth
- Northern Tunnelling & Civil Engineering Ltd. - Glasgow
- Northern Ventilation Services - Newcastle upon Tyne
- Northerntrack Ltd. - Leeds
- Northfield Glass Centre Ltd - Birmingham
- Northwest Plumbing Solutions - Manchester
- Northwood Food Machinery Ltd - Stoke on Trent
- Nortile Distributors Ltd - Newcastle upon Tyne
- Norton Newman Investments Ltd. - London
- Nortool Services Ltd - Leeds
- Norwich Sheet Metal Co. Ltd. - Norwich
- Norwich Tile Centre Ltd - Norwich
- Nostalgia - Stockport
- Nova Electrical Ltd - East Kilbride
- Nova Group Ltd - Altrincham
- Nova Metals Ltd - Manchester
- Novasoft Information Technology (Europe) Ltd - Milton Keynes
- Novatile Ltd - Kingswinford
- Now Recruitment Ltd. - Birmingham
- NPS Plumbing Solutions - Royston
- NRG Group plc - Newbury
- Nts Fabrications Ltd. - Middlesbrough
- Nu Heat Underfloor and Renewables - Honiton
- Nu-Weld Engineering Services Ltd. - Birmingham
- Numold (U K) Ltd. - Gloucester
- Nutek Ltd - Bedford