A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Nalco, Northwich, CW8 4DX - Tel: 01606 721 911
email address;hbarnes@nalco.com : web address: www.nalco.com
A,B,C,D,E,F,G,H,I,K,L,M,N,O,Q,S,T,Y(ISO 9001:2000)

Nant Ltd, Bilston, WV14 0BZ - Tel: 01902 636 355
email address : enq@nantltd.co.uk ; web address: www.nantltd.co.uk
A,B,C,G,H,I,K,L,M,O

Nationwide LCS , Daventry, NN11 8EA - Tel: 01322 311 303
email address;rcook@nationwidelcs.co.uk : web address
A,B,C,D,E,F,G,H,I,K,M

NDC 2000 Ltd , Croydon, CR0 9XF - Tel: 0208 253 9555
email address; enquiries@london-ndc-uk.co.uk : web address; www.ndc-uk.co.uk
A,K,L,

Nemco Utilities Ltd, Bury St Edmunds, IP32 7EA - Tel: 01284 724 503
email address :dgreen@nemco-utilities.co.uk ; web address; www.nemco-utilities.co.uk
A,B,C,D,E,F,G,H,I,K,L,

New Cheshire Contract Services Ltd, Widnes, WA8 6PX - Tel: 0151 424 0116
email address : pcunningham@newcheshire.wanadoo.co.uk ; web address :
A,H,I,J,K,M,O,Y(ISO 9002)

Northumbrian Water Scientific Services, Tyne and Wear, NE28 0QD - Tel: 0191 296 8500
email address:tim.sibbald@nwl.co.uk ; web address:www.nw-ss.co.uk
A,H,I,M,N,O,Y(UKAS, ISO 9000-2001 and ISO 14001)

NPS North East Ltd, West Yorkshire, WF10 5HX - Tel: 01977 628 315
email address: dsaville@nps-ne.wakefield.gov.uk ; web address : www.nps-ne.wakefield.gov.uk
A,H,I,K,L,M,V,Y(ISO 9001:2000; ISO 14001)