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C4 provides personalized sales, service, training and consulting services needed in the local area by computer consumers. We specialize in supporting small and moderate sized businesses in St. Lawrence County.


C3 was formed in 1994, making us one of the oldest computer firms in the area. Jim Crowley’s computer experience dates back to his first Apple ][ in 1980. Since programming dBase II on an early IBM PC, Jim has experienced just about anything you can imagine in the ever evolving world of Windows, Intel, and IBM compatible computers.

In 2016 C3 evolved into C4, owned by Charles and Lauren.


We can…

  • Design and Install your systems
  • Design and maintain a network for your needs
  • Improve your security and virus protection
  • Assist evaluating Internet access requirements and options
  • Connect remote offices
  • Offer custom training
  • Custom programming and web page development
  • Recover lost data
  • Not sure where you stand? We consult too!

We offer the very best in…

  • Personal Computers
  • Notebooks
  • Software
  • Printers
  • Digital cameras
  • Scanners
  • Accessories
  • And we service them too!