1.

SigmaRed AI Labs

2.

SigmaZM

3.

Sigmoid

4.

Signal AI

5.

Signal Forge

6.

Signon.ai

7.

Signum Group

8.

Sigroo Technologies Private Limited.

9.

Silent Eight

10.

Silfra Technologies

11.

Silo.AI 2017

12.

SimaFore