Organizers
- Islington Gymnastics Club Ltd
- Islington Gymnastics Ltd
- Islip Breast Cancer Coalition
- iSPACE
- Israeli American Council
- Issaqueena's Last Ride
- Isselbacher Summer Programs
- Issues Concerning Adolescents of Nevada
- ISU Triathlon Club
- ISUDU Sports Group
- ITA Summer Circuit: Abilene Christian University
- ITA Summer Circuit: Abilene Christian University (Texas)
- ITA Summer Circuit: Alabama
- ITA Summer Circuit: Alabama (Southeast)
- ITA Summer Circuit: Arizona Christian University, Phoenix Tennis Center
- ITA Summer Circuit: Azusa Pacific
- ITA Summer Circuit: Azusa Pacific (Southern California)
- ITA Summer Circuit: Brigham Young University (Mountain)
- ITA Summer Circuit: Cal State LA
- ITA Summer Circuit: Cal State LA (Southern California)
- ITA Summer Circuit: California State University, Northridge
- ITA Summer Circuit: Claremont-Mudd-Scripps Colleges
- ITA Summer Circuit: Collin College (Texas)
- ITA Summer Circuit: Cornell
- ITA Summer Circuit: Cornell (Northeast)
- ITA Summer Circuit: Dartmouth (Northeast)
- ITA Summer Circuit: Denver
- ITA Summer Circuit: Elon
- ITA Summer Circuit: Florida
- ITA Summer Circuit: Florida (Southeast)
- ITA Summer Circuit: Florida State
- ITA Summer Circuit: Florida State (Southeast)
- ITA Summer Circuit: Fullerton College
- ITA Summer Circuit: Furman University
- ITA Summer Circuit: Georgia Gwinnett College Tennis Facility
- ITA Summer Circuit: Gustavus Adolphus College
- ITA Summer Circuit: Indiana
- ITA Summer Circuit: Indiana (Midwest)
- ITA Summer Circuit: Indiana University (Midwest)
- ITA Summer Circuit: Kansas State University
- ITA Summer Circuit: Laguna Nigel (Southern California)
- ITA Summer Circuit: Linfield College
- ITA Summer Circuit: Mary Washington
- ITA Summer Circuit: Mary Washington (Mid Atlantic)
- ITA Summer Circuit: McLeod Tennis Center - Texas Tech University
- ITA Summer Circuit: Michigan State University
- ITA Summer Circuit: Middle Tennessee
- ITA Summer Circuit: Middle Tennessee (Southeast)
- ITA Summer Circuit: Middlebury (Northeast)
- ITA Summer Circuit: Minnesota (Midwest)
