C&A
Capgemini
Capgemini Engineering
CaptureAge
CARITAS INTERNATIONAL
Carrefour Belgium
Carrefour Belgium NV
Carrefour Market by Cretskens Groep
CAW HALLE VILVOORDE
Cegeka
Cegeka Deutschland GmbH
Centrica group
Certis Benelux
CGG VAGGA vzw
Chipsoft België
Cipal Schaubroeck
Circle K Belgium
Clercx, Böse & van der Weij, geassocieerde notarissen
Client-Earth
Climate-KIC
Cliniques universitaires Saint-Luc
Cnext
Cobefa
CodeAnalytiqa Consultancy and Services
Cofinimmo
Collibra
Collignon
Colruyt Group
Comines Steel
Commissum
Companions
Computer Futures
Conessence
Confidential
Congé
Contracts IT
Contribute NV
Coolblue
Coolblue Hoofdkantoor
COPRO
Core ICT NV
Cornerstone Global Partners (CGP Group)
CorpGlobal Consulting
Cortina
Cossel
CPAS de la Ville de Bruxelles
Cream Consulting
Creaplan Group
CSC-Industries
CTRL-F NV
Culinor NV
Cullen International
Customaite
Cuylaerts Industriebouw