Computer Systems Integration is a provider of network systems and support solutions for small and medium sized businesses in Connecticut. CSI’s Cromwell, CT office contains a network operations center, administrative offices and an R&D Lab. CSI is a Microsoft Certified Solutions Provider, Microsoft Academic Reseller, Cisco Premier Partner and HPE Enterprise reseller. CSI has been in business in Connecticut since 1993.



Hosted and Cloud Solutions. CSI offers customized hosted packages including :

  • Website hosting with CMS products such as WordPress on Microsost IIS platforms
  • Microsoft Exchange Mailboxes with web access portal and custom landing pages for your business
  • Certificate services
  • Domain Name Registration and hosting
  • Hosted Virtual servers shared and dedicated on VmWare or Hyper-V
  • Dedicated data center colocation space
  • Online hands free backup from 20Mb to 100Tb


Projects Solutions. CSI provides complete IT solutions to enable its customers to increase efficiency, save on operating costs, and get an edge on their competition. Some solutions can include VPN, Voice-IP telephony, email and workgroup, client-server database, website and electronic commerce, thin client computing, remote and wireless connectivity, and Internet access.


Consulting. CSI offers mid and high-level IT consulting expertise to its customers. This usually requires CSI to be very aware of its customer’s business strategy and operations. CSI provides technical expertise in implementing and managing projects as well as day-to-day IT operations. In addition, CSI consultants work on behalf of their clients to address problems and issues with other parties including telephone companies, database developers, third-party application designers, and equipment providers to ensure that IT is being managed properly to the satisfaction of the client.


Service. CSI provides outstanding service on computer networks, serves, PC, switches, routers and WAN connections. This service includes diagnostic, troubleshooting repair and replacement. CSI also provides application hosting and applications outsourcing for qualified business customers. CSI operates on a retained basis or service contract with most clients, but can accommodate specific customer requirements. Managed Services is our most recognized offering that we pride ourselves in, proven by the extremely high retention rate of our customers realized by their testimonial satisfaction and recurring business.


Web & The Internet. CSI is a full service ISP (Internet Service Provider) and can provide, host, and design your business’s website and email. CSI provides high speed digital Internet connections to small and medium size businesses in Connecticut using digital copper and fiber multiplexed circuits like T1 and OC.   Internet access rates start as low as $325 per month at fractional T1 speeds. CSI’s Internet backbone is 90% undersold ensuring 100% throughput at maximum capacity all the time. CSI provides an SLA (Service Level Agreement) to guarantee uptime and throughput. For businesses requiring reliability and performance that DSL and Cable Internet cannot provide, T1 is the best choice and isa available in all parts of Connecticut.


Private Wide Area Network (WAN). Is your business occupying multiple suites or are you growing into your first remote site? CSI can help by connecting your sites together using VPN or Private Line connections. This is a complex task involving costing, provisioning, installing or Internet or private line circuits. CSI specializes in this area and can get your remote sites talking quickly and at the lowest cost to your business.