- B2B Pay
- BackedByCFO
- Bad Crane
- Badrap
- Bahn Express
- BaiaNet
- Band on the Web
- Bankify
- Basemark
- BCaster
- Beat2Phone by VitalSignum
- Beely
- Beesh
- Behavix Inc.
- Beibamboo
- BeiZ / Lola Panda
- BelleGames
- Bellylabs
- Beneq
- Benji Bananas
- BER Oy
- Best Glass
- Beyond Logistic
- Bezala
- Big Ear Games
- Biila
- BiiSafe
- Binare
- Bindex
- Bioactive Bone Substitutes
- Biocode
- Biomensio
- BioNavis
- Bioretec
- Bitbar
- Bit By Byte Creations
- Bitcomp
- Bitmagic
- BIT ODD
- bitsofYours Software
- Bitwards
- Blaast (Continued as Pryte)
- Black Block
- Black Eye Lens
- Black Smoke Studios
- Blidz
- Blokgarden
- Blox Car
- Blueprint Genetics
- Boardio
- Bob W
- Boffice
- Boksi
- Boldan
- Bonus Stage
- Bonusway
- BonWell Intelligence
- Bookndo
- Book Salon
- BookTheArtists.com
- Boom Corp
- Boreal Foundry
- Born Local
- Botne
- BouncePoint
- Bout
- BoxBox
- Braincare
- BrandBastion
- Breaks
- Brella
- Briefr
- BrightCharger
- Brighterwave
- Brightplus
- Briif
- Brimstone Interactive
- BroadBit Batteries
- Broomu Digitals
- BucketList
- Buddy Healthcare
- Buenno Research
- BuffetGo
- Bugbyte
- Builderhead
- Buildie
- Buildlink
- Business Rooster
- BusPay
