Top 100 IT Services Companies in Illinois

Website development company Prism Solutions is located in Lahore, Pakistan. The small team focuses on web development, custom software development, CRM consulting and SI, and IT managed services and was founded in 2019.

ERP consulting and SI company GNC Consulting was launched in 1995. They are headquartered in Frankfort, Illinois and Odesa, Ukraine and have a midsize team. GNC Consulting provides ERP consulting and SI and other IT consulting and SI.

Merit Solutions is a small ERP consulting and SI company. Founded in 1999, the company is located in Wheaton, Illinois and Wheaton, Illinois. Their team offers ERP consulting and SI.

Ascent Innovations LLC is an ERP consulting and SI company. Based in Schaumburg, Illinois; Arlington, Virginia and Minneapolis, Minnesota, their midsize team specializes in ERP consulting and SI, cybersecurity, and cloud consulting & SI. The company was established in 2009.

Unified communications consulting & SI company Cloudbakers was launched in 2010. Their small team is based in Chicago, Illinois and offers unified communications consulting & SI, cloud consulting & SI, and CRM consulting and SI.

Call One is a Chicago, Illinois-based IT strategy consulting company. The company specializes in IT strategy consulting, cloud consulting & SI, and IT managed services and is midsize.The company was launched in 1992.

Aqueity is a small IT managed services company. The Lombard, Illinois-based firm was founded in 1996. Their services include IT managed services, cybersecurity, IT strategy consulting, cloud consulting & SI, and more.

Black Diamond Solutions is a Chicago, Illinois-based IT managed services company. The small team offers IT managed services, cloud consulting & SI, cybersecurity, IT strategy consulting, and more and was launched in 2004.

Crestwood Associates is a CRM consulting and SI company. Their midsize team is headquartered in Mount Prospect, Illinois; South Bend, Indiana; Farmington Hills, Michigan and Madison, Wisconsin and focuses on CRM consulting and SI, ERP consulting and SI, and IT strategy consulting. The company was established in 1998.

Headquartered in Chicago, Illinois and New York, New York, Dynamic Consulting is a small ERP consulting and SI company. Their services include ERP consulting and SI, CRM consulting and SI, cloud consulting & SI, and IT strategy consulting.

Equilibrium IT Solutions is a small IT managed services company. Founded in 2004, the company is headquartered in Chicago, Illinois. Their team provides IT managed services, CRM consulting and SI, ERP consulting and SI, cloud consulting & SI, and more.

Fulton May Solutions is an IT managed services company in Chicago, Illinois and Oak Brook, Illinois. Launched in 2004, the small team focuses on IT managed services, cloud consulting & SI, IT strategy consulting, cybersecurity, and more.

In Chicago, Illinois, Logan Consulting is an ERP consulting and SI company. The small team specializes in ERP consulting and SI, CRM consulting and SI, cloud consulting & SI, and IT strategy consulting. The agency was established in 1992.

Sonoma Partners is a CRM consulting and SI company founded in 2001. Their midsize team is in Chicago, Illinois. The agency provides CRM consulting and SI, cloud consulting & SI, and IT strategy consulting.

ReadyNetworks is a small IT managed services company. They provide IT managed services, cloud consulting & SI, cybersecurity, BI & big data consulting & SI, and more and were launched in 2007. The company is headquartered in Evanston, Illinois.

GoLeadingIT.com is an IT managed services company founded in 2010. Their small team is located in Woodstock, Illinois and provides IT managed services and IT strategy consulting.

AIS, Inc., an IT managed services company, was launched in 2002. The small Oak Brook, Illinois-based team specializes in IT managed services, IT strategy consulting, cloud consulting & SI, and cybersecurity.

Launched in 1981, Peters & Associates is an IT managed services company. Located in Oakbrook Terrace, Illinois, their midsize team provides IT managed services, cloud consulting & SI, unified communications consulting & SI, and cybersecurity.

Founded in 1998, RKON Technologies is an IT managed services company. The midsize Chicago, Illinois-based team provides IT managed services, IT strategy consulting, ERP consulting and SI, and cybersecurity.

West Monroe is a Chicago, Illinois-based cloud consulting & SI company. The large company was launched in 2002. Their services include cloud consulting & SI, CRM consulting and SI, cybersecurity, IT strategy consulting, and more.

Column Technologies is an IT managed services company. Their midsize team is based in Lombard, Illinois. The firm offers IT managed services, BI & big data consulting & SI, cloud consulting & SI, and cybersecurity.

Halock Security Labs is an IT managed services and cybersecurity company launched in 1996. Headquartered in Schaumburg, Illinois, their small team offers IT managed services and cybersecurity.

Trustwave is an IT managed services and cybersecurity company established in 1995. Headquartered in Chicago, Illinois; , Brazil; London , United Kingdom and Denver, Colorado, their large team specializes in IT managed services and cybersecurity.

Small cloud consulting & SI company Solutions Group, is based in Naperville, Illinois. Their services include cloud consulting & SI, IT managed services, cybersecurity, IT strategy consulting, and more.

Based in Oakbrook Terrace, Illinois, Hi-Tech Solutions is an IT strategy consulting and IT staff augmentation company. The midsize team focuses on IT strategy consulting and IT staff augmentation and was launched in 1991.

Clarity Insights is a midsize big data company. They specialize in BI & big data consulting & SI, cloud consulting & SI, and IoT development and were launched in 2008.

Civis Analytics is a Chicago, Illinois-based data analytics company. The midsize team specializes in BI & big data consulting & SI, custom software development, cloud consulting & SI, and CRM consulting and SI and was established in 2013.

STA Group is a data analytics company based in Chicago, Illinois and Bloomington, Illinois. The midsize firm was established in 2002. Their services include BI & big data consulting & SI, cloud consulting & SI, IoT development, custom software development, and more.

Burwood Group, Inc. Is a cloud consulting & SI company. The midsize Chicago, Illinois-based firm was established in 1997. Their services include cloud consulting & SI, unified communications consulting & SI, IT managed services, cybersecurity, and more.

Founded in 1996, DYOPATH is a midsize IT managed services company. Their team focuses on IT managed services, IT strategy consulting, cloud consulting & SI, and cybersecurity. The firm is in Cypress, Texas and Lombard, Illinois.