Connecticut Computer Service, Inc.
- Specializing in Microsoft and Novell networking and also in consulting, support, education, sales, and service.
- http://www.ctcomp.com/

CSC Computers
- Networking, consulting, web design, service and repairs.
- http://www.csc-computers.com/

Connexim
- Limited partnership between Bell Canada and Hydro-Quebec offering network management.
- http://www.connexim.ca/

Clark Computer Services
- Provides network design and consultation, database design, programming and management and web development services.
- http://www.clarkcomputer.com/

Clark Consulting Group
- Software consulting and development corporation specializing in network, firmware, robotic and device driver development.
- http://www.ccg-1.net/

CCR Consultants
- Specialize in the design, implementation, training, and support of Windows NT, Novell NetWare, Windows 95/98, and Unix networks.
- http://www.ccrconsultants.com/

Capital Network Solutions
- Hardware and software procurement, network design, integration, project support, cabling, installation, training and repair.
- http://www.cns-service.com/