1.

OpenSensors 2014

2.

OpenWeather 2014-06-01

3.

Openxtra 2003-02-03

4.

Opinyin

5.

Optalitix 2013

6.

Optalysys 2013

7.

Opteran

8.

Orb Data

9.

ORB Innovations

10.

Orbex Space 2015-01-01

11.

Orca Hub

12.

Orcan Intelligence