National Golf Course Owners Association (NGCOA) 
Devoted exclusively to furthering the interests of golf course owners and operators.
http://www.ngcoa.orgAssociation of Professional Sports Agents (APSA)
UK-based association. Contains search engine for sports agents.
http://www.apsa.org.uk/
Sportsplex Operators & Developers Association
Provides education in the techniques and theories of sportsplex management and operation, along with networking with owners, directors and operators of sports facilities. Information on conference, programs and services are featured.
http://www.sportsplexoperators.com/
Association of Play Industries
A United Kingdom trade body within the play sector that represents manufacturers, installers, designers and distributors of outdoor and indoor play equipment and safer surfacing. Guides, membership, and events are featured.
http://www.playindustries.org/
Sporting Goods Manufacturers Association
Trade organization representing the manufacturers of sporting goods equipment and athletic apparel and footwear.
http://www.sgma.com/
The Trade Association of Paddlesports
Serving the paddling industry in North America. Features sea kayaking safety guidelines, symposiums, along with resources for outfitters, retailers and manufacturers.
http://www.gopaddle.org/
NSAA - National Ski Areas Association
Trade association for ski area owners, operators and suppliers in the United States. Analyzes and distributes ski industry statistics; produces annual conferences and trade shows; produces a bimonthly industry publication and is active in state and federal government affairs.
http://www.nsaa.org/
French Racing and Breeding Committee (FRBC)
Home of non-profit organization in charge of the promotion of the French thoroughbred industry abroad. 150 stallions, sales, bloodstock, horse racing events, newsletter.
http://www.frbc.net/
European Fishing Tackle Trade Association (EFTTA)
Worldwide (despite the name) trade association for manufacturers, distributors and retailers of fishing tackle and angling equipment.
http://www.eftta.com
National Trainers Federation (NTF)
Find race horse trainers in the UK by name or by county. Listing over 90% of UK race horse trainers.
http://www.racehorsetrainers.org/
