Organizations and Institutions:
The University of North Texas - The posted curriculum, or "barriers", is a great reference and resource for any percussion teacher.
Musicians/Artists/Groups:
Tigger Benford - Professor and musician for dance
Simon Boyar - Director of Juilliard pre-college percussion, NYU Adjunct, and powerful marimbist.
Dajeong Choi - Up and coming composer with many unique and exciting percussion pieces in her catalog.
Ddrum - Dallas based percussion group.
John Haas - World Traveled Timpanist, teacher, and percussion entrepreneur
Josh Jennings - Dallas-area world percussionist
Merceditas Manago-Alexander - NYC Dancer-Choreographer
Peter Martin - Chicago area marimbist and percussionist. Member of the Third Coast Percussion Quartet.
asimplesound.com - Music for dance, film, and theater
The Von Howard Project - Website of Dancer/Choreographer Christian von Howard
Publishers:
Keyboard Percussion Publications - The largest catalog of percussion music out there.
Non Sequitur - Bruce Hamilton's Publisher
Row-Loff Productions - great pedagogical percussion ensemble music
Retailers/Manufacturers:
Aspen Drum Company - manufacturer of high quality concert snare drums
Columbus Percussion - Great deals on drum set related gear. Check out their prices on drum heads.
DK Percussion - Unique Timpani mallets
Drummer's World - If you live near NYC, you already know what kind of resource this place is. Want to get a great pair of $70 Venezuelan Maracas or pick a pair of claves out of an entire barrel full? This place is worth a visit.
Lark in the Morning - Look here for less common percussion and world instruments. A bit pricey, though.
Potpourri:
Drumcorps Etc. - My old site. Yes, the Gridit page.
Exit 9 on MySpace - The meager beginnings of our presence on MySpace
Julius Tolentino - Phenomenally talented Alto Saxophonist
WNYC.org - NPR programming is unique in its valuable and diverse content for musicians. Search the FreshAir and SoundCheck archives for percussive topics
CMT.org - A cause close to me.