Organizers
- Bent Tree Tennis Center
- Bent County Recreation League
- Bent Tree Tennis Center
- Benton Parks & Recreation
- Benton Sports and Athletic Commission
- Bentwood Country Club
- Benxie County Tennis and Education
- Berea Indians
- Berea Recreation Department
- Berean Builders Publishing, Inc.
- Bergens Best Soccer Camp
- Berkeley Art Studio
- Berkeley Heights 5k
- Berkeley School of Baseball
- Berkeley Springs High School
- Berkeley Student Union
- Berken Baseball Camp
- Berkley Days
- Berkley Hoops Youth Basketball Association
- Berks County Tennis Association
- Berkshire AHEC, Inc.
- Berkshire Baseball
- Berkshire Family YMCA
- Berkshire Middle School Dads Club (PTSA)
- Berkshire Running Camp
- Berlin Little League
- Bermuda Gymnastics Association
- Bermuda National Athletics Assoc
- Bernalillo County Office of Community Engagement and Outreach
- Bernalillo County Parks and Recreation
- Bernard Zell Anshe Emet Day School
- Berwick Breakers
- Berzerker
- BESANCON TRIATHLON
- Best Buddies Challenge
- Best Damn Race
- Best Friends Animal Society
- Best Friends of Neenah-Menasha
- Best in the US Showcases
- Best of the Best Basketball
- Bethany Christian School
- Bethany Elemenetary
- Bethel Area Chamber of Commerce
- Bethel Full Gospel
- Bethel Pop Warner
- Bethesda Athletic Association
- Bethesda Big Train
- Bethlehem Christian Academy
- Bethlehem First United Methodist Church
- Bethlehem Little League
