Bergamo:

Octocom
Octopus Energy Group
Oggi Lavoro Spa
okam
Oliver James Associates Ltd.
OMB Valves
omnia retail
Omnissa (Italy) S.r.l.
One Life Health
one on one
Oneam
OneOcean Group
OneStream Software LLC
Onyx Technology S.r.L.
Op Srl
Opdenergy
Open Smart Services
Open-Xchange Inc.
openjobmetis
Openjobmetis SpA
opera s.alessandro
OPLIUM
OralPro
Orbyta Group
Orchard Robotics
OrgPortunity
orienta
Orienta Agenzia per il Lavoro
Orienta SPA
original marines
orsa società cooperativa sociale
Ottica Foppa Group
Out in Science, Technology, Engineering, and Mathematics
OutSystems, Inc.
OVERTECH Consulting
ovs
OVS S.p.A.
Oxford Instruments
Oxigent Technologies