Organizers
- Brophy College Preparatory
- Brother Wolf Animal Rescue
- Brothers For Change INC
- Broward Center for the Performing Arts
- Brown County Tennis Association
- Brown Deer Golf Club
- Brown Deer Park
- Brown Deer Park Golf Course
- Brown Medical School Breeze Against Wheeze
- Browne Academy
- Brownell Talbot
- Browns Run Country Club
- Brownsburg Basketball Club
- Brownsville Police Department
- Brownsville Preparatory Institute LLC, DBA Camp Excellence
- Brownsville Tennis Association
- Bruce Sims Golf School @ Ridgeview Ranch
- Bruceton in May 5k
- bRUNch Running
- Brunswick Area Youth Football League
- Brunswick County Tennis Association
- Brussels Union EMR's
- Brutal Events
- Bryan Cunningham's Soccer Camp
- Bryan Girls Softball Association
- Bryant Parks and Recreation Department
- Bryce Martin Foundation
- Brylee's Bash
- Brylee's Bash in the Park
- Bryn Mawr Racing Co.
- BS Troop 41
- BSA TROOP 115
- BSA Troop 182 Holden, MA
- BSA Troop 2011
- BSA Troop 482
- BSA Troop 77
- BSA Troop 9003
- BSAC
- BSC - Icing on the Cape
- BSC Panther Volleyball Camps
- BSC-Freestyle Ice
- BSC-Learn to Skate
- BSC-Theater on Ice
- BSLT Triathlon Inc
- BSLT Triathlon Inc_WTC
- BSR Cable Park
- B-STRONG HOOPS
- BT Race Timing
- BT Racing
- BTHS Hockey Club
