My congratulations on your first post here Marleen - you've clearly read the 'how to' instructions and posted all the bits and pieces of information you can (I wish other first-timers did the same, it'd make life so much easier).

This didn't look promising at first.

The AL5 1PW postcode shows 18 firms/premises but none has a name resembling the one you're looking for:

Amfast Ltd, Clifton House, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Big Space, Unit 3, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
C S B D Building & Design, Victoria House, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Exclusive Linen Ltd, Unit 6, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
G Goulding & Associates, Mainrock House, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Harrison International Ltd, Unit 8, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Helpline Metal Services, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Irradion House, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Littleport House, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Mainrock Ltd, Unit 1-3 Mainrock House, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Maysmith Engineering Ltd, Unit 8, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Ogglesbys, Unit 2, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Power Semiconductors, Unit 1, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Simply Jobs, Centre House, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
The Small Removal Co, Unit 2a, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Unit 4, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Unit 9, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW
Welgan Motor Bodies, Southdown Industrial Estate, Southdown Road, HARPENDEN, AL5 1PW

However, Google produces a number of hits which contain that fax number:

http://www.ministryofgadgets.com/gogadget/view/shop/content/content_name/contact

http://www.thesharpedge.co.uk/Customer-Service-sp-5.html

http://www.fireguardservicesltd.net/page8.htm

The ministryofgadgets.com web address includes the text:
Quote:


A Postcode check for AL5 1PX showed a slight variation in the name of the company with the website name www.thesharpedge.co.uk - the name Sharper Edge - and, searching 192.com for 'Sharper Edge, Harpenden' produced:

THE SHARPER EDGE LTD  UNIT 3A ENERGY HOUSE 22 24 GROVE ROAD HARPENDEN AL5 1PX associated with the fax number 01582 469 001 and the phone number (should've guessed really) 01582 469 000