Organizers
- Boru 3 Peaks
- Bosox Softball
- BOSOX Softball
- Bosque Running Shop
- BOSS multisport
- Bossier Tennis
- Boston Athletic Club
- Boston Children's Chorus
- Boston Children's Theatre, Inc.
- Boston College CSON in Haiti
- Boston Fire Fighters Local 718
- Boston Raiders
- Boston Street Running Co
- BostonSoccerAcademy
- Bot Shop Rocks
- Botetourt County Parks, Recreation and Tourism
- Bothell Day Camp
- Boulder Crest Retreat Foundation
- Boulder Indoor Soccer
- Boulder Junction Chamber of Commerce
- BOULDER PARKS & RECREATION (w)
- Boulder Rock Club
- Boulder Rugby Club
- Bounce Boot Camp
- BounceU
- BounceU Murfreesboro
- Boundary Bay Bluebacks
- Bountiful Triathlon
- Bourne Skating Club
- Bowen Island Community Recreation
- Bowling Green Community Tennis Association
- Bowling Green Junior Woman's Club
- Bowling Green League of Bicyclists
- Bowmen Sports
- Boxford Athletic Association
- Boy Scout Troop 48
- Boy Scout Troop 555 Jefferson, TX
- Boyd Buchanan Baseball
- Boyd Buchanan School
- Boylan Catholic High School
- Boyle School of Irish Dance
- Boynton Beach Track Club
- Boys & Girls Club of Dubois
- Boys & Girls Club of Elizabethton/CarterCounty-BBL
- Boys & Girls Club of Elizabethton/CarterCounty-FTB
- Boys & Girls Club of Hancock County
- Boys & Girls Club of La Plata
- Boys & Girls Club of Langlade County
- Boys & Girls Club of New Rochelle
- Boys & Girls Club of North Lake Tahoe
