Organizers
- Brain Works
- Brainerd Parks & Recreation
- Braintree After School Enrichment
- Braintree Golf Course
- Braintree Pop Warner
- Braintree Youth Soccer
- BrainVyne - Providers of LEGO Education
- Brainwave
- Brainy Bytes
- Brainy Bytes - North Atlanta
- Brainy Bytes Cobb Cherokee
- Brainy Bytes NW Atlanta
- Brainy Bytes of Central Virginia
- Brainy Bytes West Atlanta
- Brainy Bytes-NW Atlanta
- Branded Camps campusNYC
- Branded Camps Centenary College
- Branded Camps Green Mountain
- Branded Camps St. Andrews
- Branden Dawson Basketball Camp
- Brandon Ballet
- Brandon Blue Fins Swim Club
- Brandon Junior Blackhawks
- Brandon Sports and Aquatic Center
- Brandon United Football Co-operative Inc.
- Brandy Lee Leard Scholarship Fund
- Brandy Perryman Shooting Camp
- Brandywine Counseling & Community Services, Inc
- Brandywine Learning Center
- Brandywine Valley Hemophilia Foundation
- Brandywine Youth Lacrosse Club
- Branford Parks and Recreation
- Brantwood Children's Home
- Bras Across Bay 5K Glow Run/Fun Run
- BRASS
- Brass Monkey Events
- Brattleboro Area Chamber of Commerce
- Brave Arts Theatre Workshop
- Brave New Workshop Student Union
- Braves Booster Club
- Braves Golf Academy
- Braves Golf Camp
- Braves Golf Camps
- BRAVO Team Challenge
- Brazen Racing
- Brazil in Chicago
- Brazilian United Soccer Academy
- Brazos Little League
- Brazos Valley Museum of Natural History
- Brazos Valley Warrior