SongRepair  
   A songwriter/song development company designed to help unpublished songwriters learn to write songs professionally.
   http://www.songrepair.com

The Complete Jingle Course  
   By La-Dair Guzman.
   http://www.jinglebiz.com/course.htm

Jingle University  
   Course for songwriters, musicians and singers on writing, producing and selling jingles. Includes a course overview and rates.
   http://www.jingleuniversity.com/

WriteSongs.com  
   Provides weekly songwriting workshops in Nashville, along with phone consultations. Includes tips, testimonials and links.
   http://www.writesongs.com/

Trio Productions  
   Focuses on songwriter development through seminars, articles and a coaching program. Includes a list of services, upcoming events and contact details.
   http://www.trioproductions.com/

Boston Songwriters Workshop  
   Professional organization of songwriters and composers helping each other develop in the art, craft, and business of songwriting and composition.
   http://www.bostonsongwriters.org/

The Pacific Songwriters Workshop  
   Sponsored by JazCraft and conducted by G. F. Mlely. A group of professional, non-professional, and aspiring songwriters meeting to critique one another's work.
   http://home1.gte.net/jazcraft/songwriters.htm

Oxford Songwriters Workshop  
   Workshop for novice and advanced songwriters, meeting on the first Tuesday of every month at Lincoln University, Pennsylvania. Offers rules on song critiques, related links and contact details.
   http://www16.brinkster.com/oxsong/