Name
Location
Size
Founded
Censinet
Boston, United States
midsize
2018
Census
San Francisco, United States
large
2018
Centreon
Seattle, United States
large
2005
Cerebral
Walnut, United States
massive
2020
Change.org
San Francisco, United States
massive
2007
ChangeX
Dublin 1, Ireland
midsize
2014
Charanga
Brighton, United Kingdom
midsize
1996
CharlieHR
London, United Kingdom
midsize
2015
Checkr
San Francisco, United States
massive
2014
Cheddar
London, United Kingdom
midsize
2020
Cheerz
Paris, France
large
2012
Cherub
London, United Kingdom
small
2022
Chexology
New York, United States
midsize
2015
Chime
Las Vegas, United States
massive
2012
Chirp
Cambridge, United States
unknown
2019
Chord
New York, United States
large
—
Cialfo
Singapore, Singapore
massive
2017
Circle
New York, United States
large
2019
Cision
Chicago, United States
massive
—
CiteAb
Bath, United Kingdom
midsize
2014
Citeline
New York, United States
massive
—
Civica
London, United Kingdom
massive
2001
Clari
Sunnyvale, United States
large
2012
Clario
Philadelphia, United States
massive
1972
Clariti
Vancouver, Canada
large
1985