Top 100 Systems Integrator Companies in Connecticut
The Best of December 2025List of the Best Connecticut System Integrators
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31Undisclosed2 - 9 employeesCheshire, CTVista IT Solutions is an IT managed services company. Headquartered in Cheshire, Connecticut, the agency provides IT managed services and IT strategy consulting.Read More
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32$10,000+50 - 249 employeesGroton, CTI2e Consulting LLC is a Groton, Connecticut-based big data analytics company. They focus on BI & big data consulting & SI and IT staff augmentation.Read More
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PfizerIndustries
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33Undisclosed50 - 249 employeesReading, PAIn Reading, Pennsylvania; New York, New York; Fairhaven, Massachusetts and Stamford, Connecticut, Omega Systems is a midsize IT managed services company. They provide IT managed services, Cybersecurity, IT strategy consulting, cloud consulting & SI, and more and were established in 2002.Read More
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34$1,000+2 - 9 employeesBridgeport, CTFounded in 2016, SaaSQL is an Advertising company. Their team focuses on Advertising and Affiliate Marketing.Read More
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35Undisclosed2 - 9 employeesStamford, CTEstablished in 1992, AtlanticZone.com is an IT strategy consulting company. Headquartered in Stamford, Connecticut, the team focuses on IT strategy consulting and IT managed services.Read More
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36Undisclosed2 - 9 employeesStamford, CTAPI Development company API Wizard was founded in 2010. The firm focuses on API Development and cloud consulting & SI, and is small.Read More
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37Undisclosed2 - 9 employeesMilford, CTFounded in 2005, Harmony Software Solutions, LLC is a big data analytics company. In Milford, Connecticut, the team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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38Undisclosed250 - 999 employeesShelton, CTSaisystems Technology is a Shelton, Connecticut-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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39Undisclosed50 - 249 employeesRocky Hill, CTADNET Technologies is an IT managed services company established in 1991. The team provides IT managed services and cloud consulting & SI.Read More
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40Undisclosed50 - 249 employeesWilton, CTPCR Financial Aggregation is a big data company founded in 2002. The team focuses on BI & big data consulting & SI and IT strategy consulting and is located in Wilton, Connecticut.Read More
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41$100,000+250 - 999 employeesRocky Hill, CTMarket Research company NAVA Software Solutions is located in Rocky Hill, Connecticut and Zapopan, Mexico. The team provides Market Research and IT strategy consulting.Read More
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42Undisclosed10 - 49 employeesStamford, CTNetology, LLC is a cloud consulting & SI and IT strategy consulting company established in 2002. The team offers cloud consulting & SI and IT strategy consulting.Read More
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43Undisclosed10 - 49 employeesHartford, CTTekcetera Inc. Is a cloud consulting & SI and IT managed services company launched in 2002. Their team specializes in cloud consulting & SI and IT managed services.Read More
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44Undisclosed10 - 49 employeesRidgefield, CTCorCystems Managed IT Services, a small Cybersecurity company, is based in Ridgefield, Connecticut. Their services include Cybersecurity and IT managed services.Read More
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45Undisclosed10 - 49 employeesEast Hartford, CTTelesis Data Solutions LLC, an Application Testing company, was established in 1997. The firm focuses on Application Testing and Robotics Process Automation.Read More
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46Undisclosed10 - 49 employeesHartford, CTConnecticut Data Collaborative is a business intelligence company. Based in Hartford, Connecticut, the agency was founded in 2011. Their services include BI & big data consulting & SI.Read More
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47Undisclosed2 - 9 employeesShelton, CTNETiMAGE, a cloud consulting & SI and IT strategy consulting company, is located in Shelton, Connecticut. The team provides cloud consulting & SI and IT strategy consulting.Read More
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48Undisclosed2 - 9 employeesWethersfield, CTConnecticut IT Solutions is a small Wethersfield, Connecticut-based cloud consulting & SI and IT strategy consulting company. Their services include cloud consulting & SI and IT strategy consulting.Read More
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49Undisclosed2 - 9 employeesGlastonbury, CTGrey Matter Technologies is an IT strategy consulting company. The Glastonbury, Connecticut-based company was founded in 1997. Their services include IT strategy consulting and cloud consulting & SI.Read More
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50Undisclosed2 - 9 employeesRedding, CTMauli Systems, a custom software development firm, was founded in 1993. The team focuses on Custom Software Development and cloud consulting & SI.Read More
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51Undisclosed2 - 9 employeesRidgefield, CTBarnet Associates is a small Ridgefield, Connecticut-based CRM consulting and SI company. The team offers CRM consulting and SI and Custom Software Development.Read More
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52Undisclosed2 - 9 employeesNew Haven, CTCool Nerd SAM is a small Wilmington, Delaware-based CRM consulting and SI company. Their services include CRM consulting and SI and SMS Marketing.Read More
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53Undisclosed10 - 49 employeesDanbury, CTCierant Corporation, a Market Research company, is located in Danbury, Connecticut and Charlottesville, Virginia. The team offers Market Research and Social Media Marketing.Read More
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54Undisclosed2 - 9 employeesEast Lyme, CTProject Conquer®, LLC is an Accounting company founded in 2010. Their services include Accounting and cloud consulting & SI.Read More
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55$5,000+2 - 9 employeesOld Saybrook, CTHeadquartered in Old Saybrook, Connecticut, Dogan.AI is a small big data company. Their services include BI & big data consulting & SI and Web Development.Read More
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56$5,000+10 - 49 employeesEast Hartford, CTHeadquartered in East Hartford, Connecticut, TAB Computer Systems, Inc. Is a small IT managed services company. Their services include IT managed services and IT strategy consulting.Read More
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57Undisclosed10 - 49 employeesNorwalk, CTChateaux is a small user experience design agency launched in 1985. Their team focuses on UX/UI Design and cloud consulting & SI.Read More
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58Undisclosed10 - 49 employeesGuilford, CTInveniAI is an artificial intelligence development company. They are based in Guilford, Connecticut, and their services include Artificial Intelligence and AI Consulting.Read More
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59Undisclosed10 - 49 employeesStamford, CTQuantum Digital Media, Inc is an Advertising company established in 2016. The small team provides Advertising and Social Media Marketing.Read More
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60Undisclosed10 - 49 employeesMilford, CTSintesys is a Polígono de Pocomaco, Spain-based IT strategy consulting company. They specialize in IT strategy consulting and cloud consulting & SI and were launched in 2024.Read More
Industries
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