- Bad Crane
- BaiaNet
- Band on the Web
- Basemark
- Beat2Phone by VitalSignum
- Beely
- Beesh
- Beibamboo
- BeiZ / Lola Panda
- BelleGames
- Bellylabs
- Beneq
- Benji Bananas
- Best Glass
- Betsy
- Bezala
- Biila
- BiiSafe
- Bindex
- Bioactive Bone Substitutes
- BioNavis
- Bioretec
- Bitbar
- Bitcomp
- bitsofYours Software
- Blaast (Continued as Pryte)
- Black Block
- Black Eye Lens
- Black Smoke Studios
- Blidz
- Blox Car
- Blueprint Crusher
- Blueprint Genetics
- Bluumo
- Boardio
- Bob W
- BodiBuddy
- Boldan
- Bonalive
- Bonus Stage
- Bonusway
- BonWell Intelligence
- Bookndo
- Book Salon
- BookTheArtists.com
- Born Local
- Bought
- Bout
- BoxBox
- Braincare
- BrandBastion
- Briefr
- BrightCharger
- Brighterwave
- Brightplus
- Brimstone Interactive
- BroadBit Batteries
- BucketList
- Buenno Research
- BuffetGo
- Bugbyte
- Builderhead
- Buildie
- Buildlink
- Business Rooster
