ANC Limited (trading as ANC Express)
Parkhouse East Industrial Estate, Newcastle-under-Lyme, Staffordshire, ST5 7RB. Tel: 01782 563322 (customer service enquiries) or 0800 262123 (sales enquiries). Fax: 01782 563633.

Challenger Security Services (Admin) Ltd
PO Box 8572, E3 3SE. Tel: 020 7537 3705 (Customer Service enquiries) or 020 7538 0141 (sales enquiries). Fax: 020 7515 2809.

Citipost AMP Limited (formerly Alternative Mail and Parcels Limited) .
16 Gunnery Terrace, Cornwallis Road, Royal Arsenal, London, SE18 6SW. Tel: 020 8301 8500 (head office & distribution). Fax: 020 8854 5309 (head office & distribution).

CMS (trading name of Royale Research Limited).
Record House, 236 Record Street, London, SE1 1TL. Tel: 020 7732 2000. Fax: 020 7732 2233.

DHL Global Mail (trading name of Deutsche Post Global Mail (UK) Limited) .
4-6 Queensway, Croydon, Surrey, CR0 4BD. Tel: 08456 007678 (customer service) or 08081 007678 (sales). Fax: 08456 007679.

DHL Global Mail (trading name of Speedmail International Limited).
Unit 4, Galleywall Trading Estate, Galleywall Road, London, SE1 3PB. Tel: 020 7394 9494. Fax: 020 7394 9493.

DX Network Services Limited .
DX House, Ridgeway, Iver, Bucks, SL0 9JQ. Tel: 01753 630630 or 08705 222324 (customer enquiries). Fax: 01753 631693.

Intercity Communications Limited .
64-70 Vyner Street, London, E2 9DQ. Tel: 020 8923 8080 (customer services) or 020 8981 2828 (sales enquiries). Fax: 020 8980 7222.

Lynx Mail (trading name of Red Star Parcels Ltd) .
St Davids Way, Bermuda Park, Nuneaton, Warwickshire, CV10 7SD. Tel: 02476 373737 (customer services) or 02476 586685 (sales enquiries). Fax: 02476 586646.

Mail Plus Limited .
Mail Plus, 28A Centurian Way, Meridien Business Park, Leicester, LE3 2WH. Tel: 0116 250 1632.

Racer Consultancy Management Services .
101 Legacy Centre, Hanworth Trading Estate, Hampton Road West, Feltham, TW13 6DH.

Secure Mail Services (formerly Special Mail Services Limited)
PO Box 390, Northampton, NN3 6YG. Tel: 0870 950 6917 . Fax: 08702 642822.

Secured Mail Limited.
Unit 4A, Bechers Drive, Aintree Racecourse Business Park, Liverpool, L9 4AY. Tel: 0870 41 41 600. Fax: 0870 41 41 700.

Target Express Parcels .
Woodlands Park, Ashton Road, Newton Le Willows, Warrington, WA12 0HF. Tel: 02476 308358 (customer service enquiries) or 07702 313423 (sales enquiries). Fax: 02476 308367.

TNT Post UK Limited (formerly TNT Mail UK Limited) .
Unit 1, Globeside Business Park, Fieldhouse Lane, Marlow, Berkshire, SL7 1HY. Tel: 01628 771232. Fax: 01628 770705.

UK Mail .
Express House, Wolseley Drive, Heartlands, Birmingham, B8 2SQ. Tel: 08452 305050 (sales) or 0121 335 1815 (customer services).