Top 100 Systems Integrator Companies in Illinois

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Top 100 Systems Integrator Companies in Illinois

The Best of July 2026
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List of the Best Illinois System Integrators

  • 421

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Chicago, IL
    Southside CHI Solutions is a cloud consulting & SI company. The small Chicago, Illinois-based team focuses on cloud consulting & SI and Cybersecurity. The company was founded in 2023.
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  • 422

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Naperville, IL
    Tellap Technology Solutions, an IT managed services company, is headquartered in Naperville, Illinois. Established in 2001, the team offers IT managed services and IT strategy consulting.
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  • 423

    (4 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Downers Grove, IL
    Profusion Systems is a Downers Grove, Illinois-based software development company. The small company was established in 2012. Their team specializes in Custom Software Development, Mobile App Development, cloud consulting & SI, E-Commerce Development, and more.
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    Clients

    Aramark

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  • 424

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Chicago, IL
    Krasan Consulting Services is an UX design agency. The firm is headquartered in Chicago, Illinois. Their team provides UX/UI Design and Web Development.
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  • 425

    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Palatine, IL
    ERP consulting and SI company DigiTechYard offers ERP consulting and SI and Digital Strategy. They are based in Palatine, Illinois and Ahmedabad, India.
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  • 426

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Naperville, IL
    Based in Naperville, Illinois, JDK Technologies is a small Cybersecurity company. The team specializes in Cybersecurity and cloud consulting & SI.
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  • 427

    (30 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.6

    Value

    4.5

    Would Recommend

    4.6
    Undisclosed
    250 - 999 employees
    Chicago, IL
    Application development company Trango Tech was founded in 2003. Their midsize team is based in San Jose, California; Dubai, United Arab Emirates; Riyadh, Saudi Arabia and Salt Lake City, Utah. Their services include Mobile App Development, Custom Software Development, Web Development, E-Commerce Development, and more.
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  • 428

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    Arlington Heights, IL
    Established in 1972, FORTÉ is an unified communications consulting & SI company. The team offers unified communications consulting & SI and IT managed services.
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  • 429

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    Chicago, IL
    Softura is a midsize Farmington Hills, Michigan-based Application Management & Support company. Their services include Application Management & Support and Enterprise App Modernization.
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  • 430

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Chicago, IL
    Virtuelle Group is a small IT strategy consulting company. They specialize in IT strategy consulting and Cybersecurity and were launched in 2003.
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  • 431

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Schaumburg, IL
    Adroitco, Inc is an IT strategy consulting company located in Trenton, New Jersey and Schaumburg, Illinois. The team provides IT strategy consulting and cloud consulting & SI.
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  • 432

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    Freelancer employees
    Northbrook, IL
    Founded in 2002, AC Digital Design is an Email Marketing company. The agency specializes in Email Marketing and Print Design, and is small.
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  • 433

    (0 Reviews)

    Not yet reviewed.

    $75,000+
    2 - 9 employees
    Northbrook, IL
    Founded in 2022, iGrow Technology is an IT staff augmentation company. Their services include IT staff augmentation and IT strategy consulting.
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  • 434

    (3 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.7

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    Chicago, IL

    Staffing company nexus IT group is headquartered in Overland Park, Kansas; Atlanta, Georgia; Austin, Texas and Boston, Massachusetts. The small agency was established in 2010. Their services include Staffing, IT staff augmentation, and Recruiting.

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  • 435

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    Freelancer employees
    Chicago, IL
    Blumer Marketing Strategy & Consulting LLC, a Fractional CMO Services company, is headquartered in Chicago, Illinois. They offer Fractional CMO Services and IT strategy consulting.
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    Industries

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  • 436

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Chicago, IL
    Funstematics.ai is a big data company established in 2015. The team focuses on BI & big data consulting & SI and cloud consulting & SI.
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  • 437

    (8 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Chicago, IL

    Cloud consulting & SI company Stackgenie was founded in 2020. Their midsize team is in London, England; New York, New York; San Francisco, California and Berlin, Germany. Their services include cloud consulting & SI, DevOps Managed Services, Generative AI, and Cybersecurity.

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  • 438

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Springfield, IL
    Flat Cap, LLC, an IT strategy consulting company, is headquartered in Springfield, Illinois. Their services include IT strategy consulting and other IT consulting and SI.
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    Industries

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  • 439

    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    Undisclosed
    2 - 9 employees
    Elk Grove Village, IL
    AI company DVS AUTOMATION SOLUTIONS LLC is in Elk Grove Village, Illinois. The small team focuses on Artificial Intelligence, AI Agents, Custom Software Development, AI Consulting, and more and was founded in 2026.
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  • 440

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Tinley Park, IL
    Software Tech Enterprises, Inc. Is a small custom software development firm in Tinley Park, Illinois. The team provides Custom Software Development and BI & big data consulting & SI.
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  • 441

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Oakbrook Terrace, IL
    Cloud consulting & SI company Techmonics Solutions Inc is headquartered in Oakbrook Terrace, Illinois. Launched in 2018, the team focuses on cloud consulting & SI and Application Testing.
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    Industries

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  • 442

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Springfield, IL
    Lead IT Corporation is a midsize social media marketing agency founded in 2005. Their services include Social Media Marketing and Content Marketing.
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    Industries

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  • 443

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Chicago, IL
    Founded in 1985, Marlin Connections is a branding company. The team provides Branding and Public Relations.
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  • 444

    (64 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Chicago, IL
    Email Marketing company INSIDEA was founded in 2022. Their midsize team is headquartered in Dover, Delaware; New York, New York; Los Angeles, California and Austin, Texas. INSIDEA focuses on Email Marketing, Pay Per Click, Advertising, Social Media Marketing, and more.
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    Industries

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  • 445

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Chicago, IL
    GT Global Services is an IT managed services company. Launched in 2005, the team offers IT managed services and cloud consulting & SI.
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    Industries

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  • 446

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Chicago, IL
    Founded in 2018, Zabda is an AI company. The firm provides Artificial Intelligence and BI & big data consulting & SI.
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    Industries

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  • 447

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Naperville, IL
    Netra Technologies is a Naperville, Illinois-based business intelligence company. Founded in 1998, the team offers BI & big data consulting & SI.
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  • 448

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    Chicago, IL
    Headquartered in Chicago, Illinois, Solai & Cameron is a small business intelligence company. Their services include BI & big data consulting & SI and cloud consulting & SI.
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    Industries

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  • 449

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Schaumburg, IL
    Large video production company AVI-SPL, is based in Virginia Beach, Virginia and Tampa, Florida. Their services include Video Production and IT managed services.
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  • 450

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Downers Grove, IL
    Founded in 1995, Hegemony Consulting Group is a software development company. The agency provides Custom Software Development and BI & big data consulting & SI, and is small.
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