Aberdeen Philatelic Society. Well-established and busy club with regular meetings in Aberdeen. Their website, apart from details of their meetings, has a page of links, an occasional newsletter, information about thgeir postal auction, etc.
Dundee and District Philatelic Society.  A fine local society with all contact information on the website, up-to-date syllabus details, and latest newsletter. (Also some inexpensive souvenir covers for sale.)
Edinburgh Philatelic Society [email]  One of our local clubs. A friendly little website for a friendly and well-respected local society. Contains all the information you might need as a prospective member. 
Edinburgh Stamp Group. A daytime meeting gives this group a different feel from many other philatelic societies. Originally launched as an experiment, it has gone from strength to strength, pulling in new members who have no previous club membership (as well as the "old faithfuls !).
Falkirk and District Philatelic Society. Meetings fortnightly in Falkirk, with a membership drawn from the surrounding area. 
Kirkcaldy Stamp and Postcard Club [email] Small single-page site, but with all necessary information.
Largs and District Stamp Club. [email]   All necessary information.
Paisley Philatelic Society  [email webmaster]  History of the club, dates and details of meetings, an invitation to go and join them for an evening, some contacts.
Scottish Philatelic Society. Scotland's oldest stamp club, regularly meeting in Edinburgh.
Stirling and District Philatelic Society.  [email] Fortnightly meetings; the website contains all the basic information you might need