Top 100 Systems Integrator Companies in Illinois
The Best of December 2025List of the Best Illinois System Integrators
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31$25,000+50 - 249 employeesOak Brook, ILFounded in 1980, SWC Technology Partners is a custom software development firm. They are based in Oak Brook, Illinois; Chicago, Illinois and Indianapolis, Indiana and have a midsize team. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, and more.Read More
Clients
Batory Foods -
32$10,000+50 - 249 employeesChicago, ILTriangu is an IT managed services company in Chicago, Illinois. The midsize company was founded in 2015. Their team specializes in IT managed services, cloud consulting & SI, DevOps Managed Services, and IT staff augmentation.Read More
Clients
FintechIndustries
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33$10,000+10 - 49 employeesChicago, ILRead More
CSW Solutions is a solutions services company based in Chicago. Founded in 2005, they have about 20 employees that focus on middle-market companies and enterprises in the financial services, retail, healthcare, telecommunications, and manufacturing industries. They specialize in web development, custom software development, mobile app development, and IT managed services.
Clients
British Petroleum (BP) Power Equipment Direct Mediacom Telecommunications Gifts For You NowIndustries
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34$10,000+50 - 249 employeesChicago, ILRead More
Alligatortek is a software company headquartered in Chicago with an office in Oakbrook Terrace, Ill. Since 1993, their team of 59 has lent its services in custom software development, mobile app development, and cloud consulting & SI. They specialize in Azure, and have experience in working with frameworks such as .NET, AngularJS, and React Native.
Clients
Feeding America -
35$1,000+10 - 49 employeesDes Plaines, ILEstablished in 2000, JetRails is a cloud consulting & SI company. The firm focuses on cloud consulting & SI, IT managed services, Cybersecurity, and IT strategy consulting and has a small team. The firm is headquartered in Des Plaines, Illinois.Read More
Clients
Furniture Land SouthIndustries
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36$10,000+10 - 49 employeesChicago, ILRead More
Digital agency Arcalea was founded in 2015 and has offices in Chicago, Charlotte, N.C., Denver, and Indianapolis. Its team of 12 helps clients with web development, SEO, email marketing, content marketing, web design, and PPC.
Industries
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37$5,000+2 - 9 employeesBloomingdale, ILRead More
TechVoo is a cloud consulting & SI company. Their small team is headquartered in Elk Grove, Illinois. Their services include cloud consulting & SI, IT managed services, cybersecurity, web development, and more. The company was founded in 2007.
Industries
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38$1,000+2 - 9 employeesChicago, ILRead More
IT company eGuide Tech Allies was founded in 2016. Headquartered in Chicago, they have a team of four. They specialize in CRM consulting and SI, as well as IT strategy consulting.
Industries
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39$75,000+50 - 249 employeesChicago, ILRead More
Established in 2002, Analytics8 is a big data company. Their midsize team is in Chicago, Illinois; Raleigh, North Carolina and Plano, Texas. Their team provides BI & big data consulting & SI, IT strategy consulting, and cloud consulting & SI.
Industries
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40$5,000+1,000 - 9,999 employeesChicago, ILSikich is a Chicago, Illinois-based Cybersecurity company. The firm focuses on Cybersecurity, IT managed services, ERP consulting and SI, and Compliance Consulting and is large.The firm was established in 1982.Read More
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41$5,000+10 - 49 employeesWilmette, ILRead More
120/80 is a PPC company based in Evanston, Ill. Founded in 2019, this company has two employees. Services offered by 120/80 include PPC, email marketing, and SEO for small to mid-sized companies, specifically focusing on sectors like healthcare, business services, manufacturing, and in-home services.
Clients
Trustpilot Group plc,Industries
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42$10,000+1,000 - 9,999 employeesChicago, ILRead More
Crowe is a public accounting, technology, and consulting firm headquartered in Westborough, Mass. with other offices in Chicago, New York City, Indianapolis, and South Bend, Ind. It was founded in 2005 and has grown rapidly to 5,304 employees who provide CRM consulting & SI, application management and support, tax and payroll preparation, and financial accounting services.
Clients
TrustmarqueIndustries
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43$5,000+2 - 9 employeesChicago, ILRead More
Providing web development, web design, and big data consulting, DataMade is a Chicago-based tech firm. They were founded in 2012 and have 4 employees.
Clients
DePaul Institute for Housing StudiesIndustries
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44$25,000+10 - 49 employeesSchaumburg, ILRead More
Captivix, an IT strategy consulting company, was established in 2011. The small Schaumburg, Illinois-based team focuses on IT strategy consulting, ERP consulting and SI, custom software development, digital strategy, and more.
Industries
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45$10,000+50 - 249 employeesEvanston, ILRead More
Stratosphere Networks is an IT solutions company based in Evanston, Ill. Since 2003, their team of about 41 employees has been specializing in IT managed services, cloud consulting & SI, and ECM consulting. Stratosphere Networks works primarily with small businesses.
Clients
BBB: Accredited BusinessIndustries
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46$5,000+10 - 49 employeesChicago, ILRead More
Aptitude 8 is a RevOps Technology consulting firm based in Chicago. The firm, founded in 2020, has a team of more than ten that provides CRM consulting & SI, marketing strategy, web design & development, and BI & big data consulting & SI services to midmarket and small advertising & marketing and business services companies.
Clients
BenchPrepIndustries
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47$10,000+50 - 249 employeesOak Brook, ILRead More
Established in 2014, Xcelacore is a branding firm. Their small team is headquartered in Chicago, Illinois. Their services include branding, web design, search engine optimization, social media marketing, and more.
Industries
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48$25,000+10 - 49 employeesChicago, ILTwinCore is a cloud consulting & SI company based in Chicago, Illinois. The small firm was founded in 2011. Their services include cloud consulting & SI, CRM consulting and SI, Custom Software Development, Web Development, and more.Read More
Clients
n-treeIndustries
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49$25,000+10 - 49 employeesChicago, ILBusiness intelligence company Loadsys Consulting, Inc was launched in 2002. Their small team is located in Chicago, Illinois and provides BI & big data consulting & SI, Artificial Intelligence, Enterprise App Modernization, AI Consulting, and more.Read More
Clients
All Star DeliveryIndustries
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50$1,000+2 - 9 employeesChicago, ILRead More
Simply Smart Technology is a managed service provider based in Chicago. Founded in 2010, it has a team of 7 employees that provides cloud consulting, IT managed services, and cyber security services.
Clients
AllCell Technologies -
51$5,000+50 - 249 employeesDowners Grove, ILIT managed services company Mindsight was launched in 2004. Located in Downers Grove, Illinois, their midsize team focuses on IT managed services, cloud consulting & SI, IT strategy consulting, unified communications consulting & SI, and more.Read More
Clients
Carver Pump -
52$1,000+10,000+ employeesAurora, ILHeadquartered in Aurora, Illinois, Terra Information Group is a cloud consulting & SI company. Launched in 1997, the team provides cloud consulting & SI and IT strategy consulting.Read More
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53$1,000+1,000 - 9,999 employeesSchaumburg, ILMotherson Sumi Infotech and Designs (MSID US Inc.) is a cloud consulting & SI and other IT consulting and SI company. Their team focuses on cloud consulting & SI.Read More
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54$10,000+250 - 999 employeesChicago, ILProgrammers - AI, Data & Software is a midsize artificial intelligence company based in Chicago, Illinois. They offer Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, Generative AI, and more and were founded in 1990.Read More
Industries
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55$1,000+10 - 49 employeesChicago, ILRead More
Agility Network Services, Inc. Is an IT managed services company. The small team is based in Chicago, Illinois and Wilmette, Illinois. Their services include IT managed services, cloud consulting & SI, Cybersecurity, IT strategy consulting, and more.
Industries
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56$5,000+10 - 49 employeesOakbrook Terrace, ILRead More
IT Risk Managers is an IT solutions company located in Oakbrook Terrace, Ill. It was founded in 2007 and now employs a team of 24 that provides IT managed services, IT strategy consulting, cloud consulting & SI, cybersecurity, and IT staff augmentation
Clients
The Charity Project of Chicago -
57Undisclosed50 - 249 employeesChicago, ILAccess One is an answering service. Established in 1993, the company is located in Chicago, Illinois. Their services include Call Center Services and BI & big data consulting & SI.Read More
Clients
Binny's Beverage DepotIndustries
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58$5,000+10 - 49 employeesPark Ridge, ILRead More
Technology Advisors is a CRM consulting and SI company. The small team is headquartered in Des Plaines, Illinois. Their services include CRM consulting and SI, other IT consulting and SI, and mobile app development.
Industries
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59$5,000+50 - 249 employeesChicago, ILRead More
PSM Partners is an IT managed services company in Chicago, Illinois. The firm provides IT managed services, IT staff augmentation, cloud consulting & SI, unified communications consulting & SI, and more and has a small team.The firm was launched in 2014.
Industries
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60Undisclosed2 - 9 employeesChicago, ILRead More
Bandwidth Simplified is a managed services provider based in Chicago. Founded in 2012, the team of under 10 specializes in IT managed services, cloud consulting and SI, and productivity, collaboration and UC consulting and SI.
Clients
Ace Hardware
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