Top 100 Systems Integrator Companies in Illinois

Established in 2010, TruQua is an IT strategy consulting company. They are in Chicago, Illinois and have a midsize team. The company focuses on IT strategy consulting, cloud consulting & SI, IT managed services, and business consulting.

PerByte, an IT strategy consulting and software development firm, is headquartered in Wheaton, Illinois. The small team specializes in IT strategy consulting and custom software development and was founded in 2011.

Poe Security, Inc., an IT strategy consulting company, is located in Northbrook, Illinois. They offer IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more and were launched in 2023.

Rely Services Inc is a midsize non-voice bpo/back office services company. Headquartered in Schaumburg, Illinois; Miami, Florida; Kennesaw, Georgia and Cincinnati, Ohio, the company was founded in 1997. Their team specializes in non-voice bpo/back office services, HR services, voice services, digital strategy, and more.

SDI Presence is a midsize IT managed services company. Founded in 2016, the agency is headquartered in Chicago, Illinois; Carmichael, California and Los Angeles, California. Their services include IT managed services, IT strategy consulting, enterprise app modernization, cloud consulting & SI, and more.

Headquartered in Aurora, Illinois and Hyderabad, India, Asofttek is a midsize other application development company. Founded in 2013, the team offers other application development, ux/ui design, IT managed services, mobile app development, and more.

Tissaa is a SEO services firm. They are in Chicago, Illinois and have a small team. The firm provides search engine optimization, IT strategy consulting, cloud consulting & SI, IT managed services, and more.

Leapfrog Technology Group, Inc, an IT managed services company, was established in 2011. Their small team is in Chicago, Illinois and focuses on IT managed services and cloud consulting & SI.

AnalyticsPlus, Inc. Is an artificial intelligence development company. The small Naperville, Illinois-based team offers Artificial Intelligence, BI & big data consulting & SI, and IoT development. The agency was launched in 2018.

Established in 1993, Alrecco is a custom software development firm. Their small team is in Barrington, Illinois. Their team offers custom software development, BI & big data consulting & SI, and IT strategy consulting.

Prime Telecommunications Managed Technology Solutions is an unified communications consulting & SI company launched in 1993. Based in Evanston, Illinois, their small team specializes in unified communications consulting & SI, IT managed services, cybersecurity, and IT staff augmentation.

Founded in 2016, 9th Floor Consulting Inc is an ERP consulting and SI company. The small team focuses on ERP consulting and SI. The company is headquartered in Chicago, Illinois.

LN2S Consulting LLC is an other IT consulting and SI and app development firm. Founded in 2020, the team offers other IT consulting and SI and mobile app development. Their small agency is O'Fallon, Illinois-based.

STITECHS is a Chicago, Illinois-based IT managed services company. The small team specializes in IT managed services, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and more. The firm was launched in 2018.

Fort Knox Data Migration Services is a CRM consulting and SI company. They are headquartered in Schaumburg, Illinois and have a small team. Their services include CRM consulting and SI.

Chicago Cloud Group , a CRM consulting and SI company, was launched in 2017. The company offers CRM consulting and SI and has a small team.

JJC Systems is a IT strategy consulting company. The small team is based in Summit, Illinois and Atlanta, Georgia. Their services include IT strategy consulting, cloud consulting & SI, IT managed services, IT staff augmentation, and more.

Gate 39 Media, a digital strategy company, is located in Chicago, Illinois. The small team offers digital strategy, custom software development, and marketing strategy. The firm was established in 2003.

Hodgson Consulting & Solutions is a small IT strategy consulting company located in Buffalo Grove, Illinois. Established in 2000, the team specializes in IT strategy consulting, cloud consulting & SI, and IT managed services.

SundogIT, Inc. Is a Naperville, Illinois-based non-voice bpo/back office services company. The small firm was established in 1989. Their team provides non-voice bpo/back office services, voice services, cloud consulting & SI, and IT strategy consulting.

Aelias Consulting Services is a small cloud consulting & SI company headquartered in Schaumburg, Illinois. Founded in 2012, the team focuses on cloud consulting & SI, ERP consulting and SI, cybersecurity, IT strategy consulting, and more.

Flexday Solutions LLC, an IT strategy consulting company, was established in 2018. The small Naperville, Illinois-based team focuses on IT strategy consulting, cloud consulting & SI, ERP consulting and SI, IT managed services, and more.

IT managed services company 101 Digital is in Naperville, Illinois. The firm focuses on IT managed services, cybersecurity, and other IT consulting and SI and is small.The firm was established in 2001.

BSSI2 LLC is an IT strategy consulting company. Based in South Barrington, Illinois, their small team provides IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services. The agency was established in 2005.

Mavent Analytics is a big data analytics company launched in 2008. The agency specializes in BI & big data consulting & SI, IT strategy consulting, recruiting, and IT staff augmentation and has a small team. The agency is in Warrenville, Illinois.

Virtualigence Inc is a IT strategy consulting company. They offer IT strategy consulting, cloud consulting & SI, IT managed services, and IT staff augmentation and were founded in 2019. Their small team is Aurora, Illinois-based.

O-Lux Technologies is an IT strategy consulting company headquartered in Naperville, Illinois and Tampa, Florida. The firm specializes in IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services and has a small team.The firm was founded in 2020.

PSC Group is a midsize custom software development company located in Schaumburg, Illinois. They provide custom software development, enterprise app modernization, BI & big data consulting & SI, business consulting, and more and were established in 1990.

Custom software development firm ProviNET Solutions was launched in 1991. They are based in Tinley Park, Illinois and have a midsize team. Their services include custom software development, cloud consulting & SI, IT managed services, non-voice bpo/back office services, and more.

Porte Brown, an accounting company, was established in 1946. Their midsize team is located in Elgin, Illinois; Evanston, Illinois; McHenry, Illinois and Tinley Park, Illinois. The firm focuses on accounting.