ACJIO: All Central Jersey Intermediate Orchestra
AJCO: Atlanta Junior Chamber Orchestra
ANJIO: All North Jersey intermediate Orchestra
APYS: Arapahoe Philharmoic Youth Symphony
ASHIO: All State Honors Intermediate Orchestra
ASJIO: All South Jersey Intermediate Orchestra
ASYO: Atlanta Symphony Youth Orchestra
AYO: Adirondack Youth Orchestra
AYO: Atlanta Youth Orchestra
AYO: Austin Youth Orchestra
AYPO: American Youth Philharmonic Orchestras
AYS: Alabama Youth Symphony
AYS: Albuquerque Youth Symphony
AYS: Anchorage Youth Symphony
BAYS: Bay Area Youth Symphony
BRYSO: Blacksburg Regional Youth Symphony Orchestra
BYO: Bay Youth Orchestra
BYS: Buckhead Youth Symphony
BYSO: Bellevue Youth Symphony Orchestra
BYSO: Binghamton Youth Symphony Orchestra
BYSO: Boston Youth Symphony Orchestras
CFYO: Central Florida Youth Orchestra
CKYO: Central Kentucky Youth Orchestra
COS: Children's Orchestra Society
COYO: Cleveland Orchestra Youth Orchestra
CPYO: Central Pennsylvania Youth Orchestra
CSYO: Charleston Symphony Youth Orchestra
CSYO: Cincinnati Symphony Youth Orchestra
CSYO: Columbus Symphony Youth Orchestra
CYMO: Claremont Young Musicians Orchestra
CYO: Contemporary Youth Orchestra
CYS: California Youth Symphony
CYS: Carolina Youth Symphony
CYS: Corvallis Youth Symphony
CYSO: Cascade Youth Symphony Orchestra
CYSO: Chesapeake Youth Symphony Orchestra
CYSO: CSUN Youth Symphony Orchestra
DCYO: Delaware County Youth Orchestra
DCYOP: DC Youth Orchestra Program
DPJSO: Dayton Philharmonic Junior Strings Orchestra