1.

Celerens

2.

Celestial AI 2020-01-01

3.

Censius

4.

centeye 2000-01-01

5.

Cerebra

6.

Ceremorphic

7.

Chaintech Technology

8.

ChangingTek

9.

ChargeWheel

10.

CHARPIE 2016

11.

Cherish Health

12.

Chicago Coding Systems

13.

Chiniki Guard

14.

Chip PC Technologies

15.

ChipBrain

16.

Chironix 2017

17.

Chromatra

18.

Chronoptics

19.

Ciclii

20.

Cignal AI

21.

Cincinnati Automation

22.

CircuitHub

23.

Circular Wave Drive 2014-12-01

24.

Circulor 2017

25.

CIRQ+