Top 100 IT Services Companies in Chicago

Hull Technologies Inc, an ERP consulting and SI and IT managed services company, was founded in 2017. The small Naperville, Illinois-based team focuses on ERP consulting and SI and IT managed services.

Established in 1996, WEB is an IT managed services company. They are headquartered in Naperville, Illinois and have a small team. Their services include IT managed services, IT strategy consulting, and cloud consulting & SI.

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.

Q1 Technologies, Inc. Is a midsize custom software development firm. Located in Aurora, Illinois, the firm was established in 2002. Their services include custom software development, IT managed services, cybersecurity, and business consulting.

AH Technology, Inc., an IT managed services company, is headquartered in Mundelein, Illinois. Established in 2018, the small team provides IT managed services, cybersecurity, cloud consulting & SI, other IT consulting and SI, 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.

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.

IT managed services company Holleb Consulting is headquartered in Northbrook, Illinois. The small firm was established in 1988. Their team focuses on IT managed services, IT strategy consulting, and web development.

Based in Bolingbrook, Illinois; Detroit, Michigan; Nanakaramguda, India and Visakhapatnam, India, CES Limited is an accounting company. They provide accounting, cloud consulting & SI, enterprise app modernization, blockchain, and more and were launched in 1985.

BKS Systems - Managed IT Services is an IT firm based in Plainfield, Ill. with no more than 50 experts. Since their founding in 2000, they have offered IT managed services and IT strategy consulting solutions for small and mid-market firms alike.

KAT TECH SYSTEMS INC is a custom software development company. They are based in Arlington Heights, Illinois; Hopkins, Minnesota and Hyderabad, India and have a midsize team. Their services include custom software development, web development, mobile app development, BI & big data consulting & SI, and more.

Zadro Web is a software development company of less than 10 employees. Founded in 2007, their headquarters is in Schaumberg, Ill. They specialize in web design, web development, and cloud consulting and SI. They primarily serve midmarket and small business clients in the business, financial, and telecommunications industries.

Ahava Services is a CRM consulting and SI and mobile app development firm established in 2015. They are located in Bartlett, Illinois and have a small team. Their services include CRM consulting and SI and mobile app development.

JIT, an IT strategy consulting company, was founded in 2010. Their midsize team is based in St. Charles, Illinois. The company specializes in IT strategy consulting.

Softweb Solutions is a tech consulting company based in Elgin, Ill. They also have offices in Dallas and Ahmedabad, India. Since 2006, their team of over 300 has provided IT strategy consulting, big data consulting, cloud consulting & SI, and more for primarily enterprise-level clients. 

Modak is a data analytics company founded in 2010. The agency provides BI & big data consulting & SI and has a midsize team. The agency is headquartered in Deer Park, Illinois.

Cyology.IO LLC is a cybersecurity company. The small West Chicago, Illinois-based firm was founded in 2019. Their services include cybersecurity, IT managed services, and cloud consulting & SI.

EBlastMail is an email marketing company. They offer email marketing, CRM consulting and SI, and sms marketing and were established in 2015. Their small team is based in Schaumburg, Illinois.

Founded in 2011, EQ Technology Group, Inc. Is a small IT managed services company. Their team offers IT managed services, IT strategy consulting, search engine optimization, web design, and more. The firm is located in Naperville, Illinois.

IT strategy consulting company HOBI International, Inc. Is located in Batavia, Illinois; Dallas, Texas and Tolleson, Arizona. The midsize firm was founded in 1992. Their team focuses on IT strategy consulting.

KBK Communications is a small CRM consulting and SI company. Headquartered in Frankfort, Illinois, the company was founded in 2009. Their team offers CRM consulting and SI, e-commerce development, social media marketing, content marketing, and more.

Artificial intelligence development company Zakiant, LLC was established in 2014. Headquartered in Naperville, Illinois, their small team specializes in Artificial Intelligence, cloud consulting & SI, and CRM consulting and SI.

Momentum Marketing Consultants LLC is a SEO company launched in 2014. The firm offers search engine optimization, web development, social media marketing, pay per click, and more and has a small team. The firm is located in Elkhart, Indiana and Chicago, Illinois.

DCMSoft LLC is a web design company founded in 1983. The agency specializes in web design, custom software development, web development, social media marketing, and more and has a small team.

O'Neil Communications, Inc. Is a small custom software development firm in Downers Grove, Illinois. The team focuses on custom software development, mobile app development, executive search, BI & big data consulting & SI, and more.

Optivent Group Inc., a software development firm, was founded in 2018. Their midsize team is in Lisle, Illinois and offers custom software development, cloud consulting & SI, mobile app development, application testing, and more.

Interstate Technologies is a non-voice bpo/back office services company. Their small team is located in Schaumburg, Illinois. Their services include non-voice bpo/back office services, voice services, IT strategy consulting, and IT staff augmentation.

Vandesys Inc is a custom software development company. They specialize in custom software development, cloud consulting & SI, CRM consulting and SI, ECM consulting and SI, and more and were founded in 2008. Their small team is located in Plainfield, Illinois.

COMNET GROUP INC. Is a midsize IT strategy consulting and IT staff augmentation company. They specialize in IT strategy consulting and IT staff augmentation and were launched in 2005. The firm is in Hoffman Estates, Illinois.

American IT Resource Group Inc. Is an IT strategy consulting company in Schaumburg, Illinois and Chennai, India. The small team specializes in IT strategy consulting, IT staff augmentation, web development, and corporate training & coaching and was established in 2007.