Trade Journal Publishers
The main UK trade journal publishers are

Reed Business Publishing
www.reedbusiness.com
The biggest publisher of trade journals, with many titles.

FT Business
www.ftbusiness.com
Specialist journals on the financial and energy sectors.

EMAP Business Communications
www.emap.com
Large range of titles; sectors covered include advertising, automotive, communications, construction and civil engineering, health care, local government, materials, media, oil and gas and retail.

Haymarket Group
www.haymarketpublishing.co.uk
Various, including Management Today, Campaign, PR Week and others.

William Reed Publishing
www.wiIIiam-reed.net
Mainly food and retailing industries.

Hemming Group
www.h-info.co.uk
Various, including Surveyor International Trade Today and others.

Trade Associations

For UK and US trade associations, the following web sites and directories are particularly helpful:

Trade Association Forum
www.martex.co.uk/taf/index.htm
Search by UK industry or by association name.

Trade Associations and Professional Bodies for the United Kingdom
Graham & Whiteside, 5-6 Francis Grove, London SW19 4DT. Tel: 020 8947 1011

Directory of British Associations
CBD Research, Chancery House, 15 Wickham Road, Beckenham, Kent. Tel: 020 8650 7745

Gateway to Associations
http://info.asaenet.org/gateway/OnIineAssocSIist.htmI

Search by US industry, state or city; it's worth also trying various search terms in the search box for the organisation's name.
International directories inevitably are less comprehensive, but try:

Encyclopedia of Associations
Gale Group, 27500 Drake Road, Farmington Hills, Ml, USA. In 3 volumes

World Guide to Trade Associations
KG Saur, Ortlerstrasse 8, D-81373 Munich, Germany.

Directory of European Industry and Trade Associations
CBD Research, Chancery House, 15 Wickham Road, Beckenham, Kent.

Some ‘good’ Trade journals