1. Omina Technologies
2. OncoRadiomics 2016-01-01
3. Optidrive
4. Optimal Computing 2008-06-03
5. Orion Intelligence
6. Orsi Academy
7. OTIV 2020.0
8. Phished
9. PhysIOL 1986-01-01
10. Pick-it 2016-09-01
11. Piximate 2016-10-01
12. Plann3r 2015-01-01