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- Blackfordby WI
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- Blanka's IVF treatment
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- Blazing to Serbia - South Wales Fire & Rescue Service
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- Bleakholt Animal Sanctuary
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- Bleary and District Pipe Band
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- Bledington Music Festival
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- Bledlow Village Cricket Club
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- Blendon Pre-School - Bexley
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- Blenheim Icknield Luton Scout Group
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- Blenheim Scout Group
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- Bless The Children (UK)
- Blessed 2 Bless Community Project
- Blessed Dominic Catholic Primary School
- Blessed Edward Oldcorne Catholic College
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- Blessed Hugh Faringdon Catholic School
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- Blessed Mary - Upham
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- Blessed Patrick O'Loughran Parent Support Group
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- Blessed Robert Widmerpool Primary School
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- Blessed Thomas Holford Catholic College
- Blessed William Davies Playclub
- Blessed to ReachOut
- Blessed’s Uni Funds
- Blessen Mathew 2021
- Blessing Akukalia
- Blessing Schofield fundraising for Nnewi ASUBEB
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- Blessings Day Care & Nursery
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- Bletchingley Skills Centre
- Bletchington Silver Band
- Bletchley & District Swimming Club
- Bletchley Park Air Cadets
- Bletchley Pre-School - Milton Keynes
- Bletchley Rugby Club
- Bletchley Saint Martins Bowls
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- Bletchley St. Martins Bowls Club
- Bletchley Town Bowls Club
- Bletchley Town Cricket Club
- Bletchley Town FC
- Blevins Academy of Dance and Drama
- Blewbury Amazons Girls Football Club
- Blewbury Brass Band
- Blewbury Community Shed
- Blewbury Pre-School
- Blidworth Bengals FC
- Blidworth Bowls Club
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- Blidworth Welfare Brass Band
- Bligh Fundraising Committee
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- Blind Jack Explorer Scout Unit - Knaresborough
- Blind Life in Durham
- Blind Tiger Theatre Company
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- Blindness Awareness Program
- Blinds for Peach
- Bliss - National Charity for the Newborn
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- Bliss Charity School - Northants
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- Bliss Ride London - Louise Page
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- Blisworth Pre-School - Northampton
- Blize all breed rescue for dogs
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- Blockley Allotments Association
- Blockley C of E Primary School Friends of the School - Moreton-in-Marsh
- Blockley Sports and Social Club
- Blockley Toddler Group
- Bloco Ashe Bury Samba Band
- Blofield Preschool Playgroup
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- Blofield Tennis Club
- Blofield United Youth FC
- Bloke Coach
- Blond McIndoe Research Foundation
- BlondAid Foundation
- Blondie and Co: Bosnian dogs, lives matter.
- Blondin Park Community Centre
- Blood Bikes Cumbria
