Organizers
- Baraboo Lions
- Baraboo Parks and Recreation Department
- Barack Recreation Center
- Baraga County Memorial Hospital Rehab and Fitness Center
- Barbara S. Wynne Tennis Center
- Barbe High School class of 1987 reunion
- Barber Elite Soccer
- Barber Fine Arts
- Barber National Institute
- Barbosa Tennis, Inc
- Barcelona Bay Area
- Barcelona Bay Area / Force South
- Barcelona Bay Area | Force South
- Bardstown City Schools
- Bardstown Country Club
- Barefoot Bay Golf & CC
- Barefoot Republic Camp
- Bark in the Park Eureka California
- Barking & Dagenham Aquatics Club
- Barking Cat Studio
- Barnes & Noble.com
- Barnes Fitness
- Barnesville School
- Barney's Run for Warriors
- Barnstaple Swimming Club
- Barracuda Swimming NM LLC
- Barre Community Baseball & Softball
- Barre Mills Co-Ed Lions Club
- Barrel & Brew 3K
- Barrett Scarecrow 5K and Childrens fun run
- Barrie Royals Basketball Club Inc.
- Barrier Island ECOthon LLC
- Barrier Islands Little League
- Barrington High School tennis courts
- Barrington PW, Inc.
- Barrington Soccer Club
- Barrington Youth Baseball & Softball
- BarryS Coaching, LLC
- Bartaruga Investment Srl
- Bartons Back Alley Range
- Bartow Cycling Events
- Bartow Dixie Baseball League
- Bartow History Museum
- Bartow Parks & Recreation
- Basalt High Cross Country
- Basalt High School Longhorn Stampede
- Basalt Recreation Department
- Basalt Tennis Club, Basalt Recreation, Crown Mountain Parks and Recreation
- BASE Performance
- Baseball
