1.

OmniDynamics 2013-01-01

2.

Omnifia

3.

Onaria Technologies 2015

4.

One & Only Pro 2008

5.

OneShot

6.

onewomanowner

7.

Opalcrest

8.

Open Bionics 2014-04-14

9.

Open Blend

10.

Open Energi

11.

OpenBinacle

12.

OpenMined 2017