- CHRISTAENS
- CAMBRIDGE RESEARCH SYSTEMS
- CED
- CHROMALOX
- CNE
- COHERENT
- COMETPUMP
- CHIARAVALLI
- CURTIS
- COSA+XENTAUR
- CABUR
- CONTRINEX
- CONTROLLI
- CEMP
- CEAR
- CARLO GAVAZZI
- COMET CO LTD
- CONTELEC
- CERAMICX
- CAPTOGLOVE
- COMET
- CMB
- CPT-CIRPROTEC
- COSAXENTAUR
- CEJN
- CALPEDA
- CARLO GAVAZZ
- CASAPPA
- CLEANAIR
- CHECKLINE
- COPELAND VALVE
- CONTITECH
- CONTINENTAL
- CZAH
- CHAMPION
- CTC
- CIESSE
- CARMON
- CATLOW
- CIMTEK
- CONTEC
- CAT PUMPS
- CRANE
- CONCOMATIC
- CO-AX
- CEME
- CARRARA
- COMATROL
- CBFhydraulic
- COEL
- COREMO
- centork
- CELINFA
- CROSS
- Capacitec
- CASTEL
- Ceramic Instruments
- C-mac
- CLUFIX
- CELMI