Bedrift B - Smestad
- Bibliofilklubben
- Beluga AS
- Barth
- Basecamp AS
- Borjanka AS
- Bonini AS
- Brabok AS
- Barlinvest AS
- Bo3d AS
- Bitoris AS
- Biomat2gether
- Becker
- Balmer AS
- Bjaaland AS
- Bossnuten AS
- Berryessa AS
- Buhovd AS
- Beerbox AS
- Bubblepoint AS
- Boiga AS
- Bakkekroen
- Bertanna AS
- Blomquist
- Beanor AS
- Binos AS
- Brianza AS
- Boxer AS
- Blokk AS
- Båtsiden DA
- Bekkelia Garasjesameie
- Bernhard Bratfos
- Berglund Horisont
- Brodahl Takst
- Bertine Zetlitz
- Bagstevold VVS AS
- Bambino Familiebarnehage
- Bø Teglverk AS
- Bredal Invest AS
- Black Bricks AS
- Boglede Holding AS
- B7 Invest AS
- Bakke International AS
- Briskeby Invest AS
- Bella Ormaz AS
- Barracuda Invest AS
- Bjune Holding AS
- Bolling Invest AS
- Bergvall Holding AS
- Blom-Invest AS
- Butleren Catering AS
- Briskelid Morten
- Bakkekroen Restaurantdrift AS
- Brunborg Demografi
- Bjarte Giske
- Bilde Brodtkorb
- Bakken Coaching
- Bamsebo Familiebarnehage AS
- Bjørn Krogvig
- Bleka Kristian
- Buskerud Christoffersen
- Bjt Invest AS
- Boys Holding AS
- B Holdings AS
- Bruse Invest AS
- Bamsebo Familiebarnehage AS
- Brusletto Eiendom AS
- Bruse Holding AS
- Bex Morty AS
- Britt Lie
- Bellmann Holding AS
- Bob Beauté AS
- Bellmann Investerer AS
- Blom Consulting AS
- Bjønnlimorka Hytteeierforening
- Byggetjenester Kulpinski
- Beate Kleven
- Bianca Gruia
- Bente Engelsen
- Battikh Consulting
- Bedringens vei
- Barnevernet Ullern
- Bjønnlimorka Hytteeierforening
- Byggtjenester Gierej
- Benedicte Lütken
- Boger Media
- Bård Fransson
- Borealis Digital AS
- Bygg Crew AS
- Beyond Reality AS
- Bling Automated AS
- Bislett Bolig AS
- Byggmester Storkaas AS
- Borgs Holding AS
- Belma Invest AS
- Belisarius Invest AS
- Btg Invest AS
- Bucephalus Invest AS
- Bff Holdings AS
- Behzad Heibati
- Beauty Sætersdal
- Bjerke Image
- Braaten Olsen Akustikkprosjektering
- Boligsameiet Heggelibakken 23
- Benedikte Minos Film
- Boord Matteo Bigi
- Bridgeklubben Hjerter Ess
- Bjørn Johan Danielsen
- Boligsameiet Heggelibakken 32
- Biskop Roses Stiftelse
- Boligsameiet Heggelibakken 32
- Bjørn Husby Fototjenester
- Biskop Roses Stiftelse
- Blue Label Properties AS
- Boulmer Christophe Kvalheim
- Blue Monday Holding AS
- Black Bricks Holding AS
- Black Bricks Management AS
- Birgit Wenche Jacobsen
- Boligsameiet Briskebyveien 38
- Bonjour Melissandre Balistreri
- Boligsameiet Holmenveien 44
- Boligsameiet Briskebyveien 38
- Betine Fiskaa Johannessen
- Boligsameiet Holmenveien 44
- Birger Pedersen Consulting AS
- Blix Werner Holding AS
- Boligsameiet Veslekroken 5
- Blia Oslo Speiding
- Budtjenester Av Stiansen
- Bodil Fagerheim, Gestaltterapi
- Borgs Morten Borg
- Birgit Charlotte Throndsen
- Boligsameiet Hoffsveien Bcd
- Boligsameiet Veslekroken 5
- Benedicte Kaare Fjeld
- Benedikte Lie Andreassen
- Bratek Total Boligrenovering
- Bydel Ullern Bydelsadministrasjonen
- B Nikolaisen Fuging
- Boligsameiet Hoffsveien Bcd
- Bygningsservice Petko Mateev
- Bydel Ullern Psyksam
- Berg North Digital AS
- Bjarne Jakhelln-Semb
- Berhane Solutions & Consulting
- Benito Juan Milanes
- Botnen Coaching og Lederutvikling
- Byggfirma Jan F. Jorddal
- Bedrift & Privat Invest AS
- Basto Vann og Avløp
- Bad og Oppusing Sowa
- Bergman Cakes & Catering
- Beauty Care Marta Dominiuk
- Bernhard Herres vei Bofellesskap
- Bluefish Amund Ivarsson Bjørklund
- Beate Kleven Interiørarkitekt Mnil
- Bydel Ullern Hjembaserte Tjenester
- Boligsameiet Hoffsveien 43 - 45
- Boligsameiet Hoffsveien 43 - 45
- Bydel Ullern Pedagogisk Fagsenter
- Bl Foto og Filmstudio AS
- Braathen Catherine Jane Medway
- Bydel Ullern Oslo Kommune
- B7 Astrid Kristine Tvedte Kristoffersen
- Brødrene Aam Jemal Saeed Abdullah
- Bernhard Herres vei 45 Boligsameie
- Bernhard Herres vei 45 Boligsameie
- Beba Bjørn Erik Broady Aasebø
- B & R Services Gawlik
- Bygg- og Oppussingtjenester Piotr Tenerowicz
- Bydel Ullern Enhet for Barnehager
- Borgen Svangerskap Anne Michaelsen de Vibe
- Bmh Medisinske Tjenester Bjørn Mikael Hokland
- Berre Ellefsen. Curating Architecture & Urbanism AS
- Buddhas Light International Association (Blia) Oslo
- Bydel Ullern Bolig for Enslige Mindreårige Flyktninger
- Balanse i Hverdagen Kaisa Synnøve Rugtvedt Hafredal