Indiana University - [Bloomington, IN, US] Offers bachelor's and master's degrees in jazz studies. Courses offered, faculty profiles, notable jazz alumni listed by instrument.
http://www.music.indiana.edu/som/jazz/

Percussion Advocates - Education site, including catalog and instrument database. Includes the websites for high school percussion programs in Indiana.
http://www.percussionadvocates.com/

Alpha Controls - Manufacturers' representative for industrial instruments and controls. Stocks flowmeters, controllers, recorders serving Ohio, Indiana, Kentucky, U.S.A.
http://alphacontrolsinc.com/

Instrument Associates - Parker Hannifin distributor of valves, fittings, hoses, tubes, gauges to Illinois and Northwest Indiana. Also, features value added services such as training. Locations in Alsip and Rolling Meadows.
http://www.instrumentassociates.com/

Electronic Music Historical Overview - Timeline covering developments in electronic music and instruments since 1902.
http://www.indiana.edu/~emusic/elechist.htm

E.K. Blessing Co., Inc. - Originally created by Emil Karl Blessing from a garage in Elkhart, Indiana in 1906. This family-owned instrument manufacturer is led today by Randall A. Johnson.
http://www.ekblessing.com/

Blast - A cast of 68 playing percussion and brass instruments combined with color and choreography evolved from the Star of Indiana Drum and Bugle Corp. Includes background of creators, time line, performance schedule and ticket information.
http://www.blasttheshow.com/