Our industry analysts ranked the leading IT services companies in Illinois that help businesses run and manage their digital infrastructures efficiently. Review their prices, portfolios, client experiences, team size and more to select the best partner for your needs.

Best Illinois IT Support Company Rankings

4 Companies-Rankings updated: September 09, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

Expertise
Government
$10,000 - $25,000
Sort by: Sponsored
United States × Illinois × Government × $10,000 - $25,000 ×Clear Filters

  • Plego

    Shaping the Future of Technology

    Plego Technologies consistently offers IT Services that drive innovation through custom web and mobile app development, integration, and AI solutions. Dedication to cutting-edge technology and client collaboration keeps our solutions ahead of the curve, trusted by leaders like Apple TV+, Google, and Samsung...

    Top Services:

    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • AI Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $105/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    13 Projects Listed

    Plego Services

    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • AI Development
    • Mobile App Development
    • ERP Consulting
    • Staff Augmentation
    • IT Services
    • CRM Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Apple
    • Google
    • Samsung
    • Comcast
    • Intel
    • Thomson Reuters
    • BHHS
    • Fitbit
    • Motorola
    • Sony
    Data sourced from the agency's DesignRush profile

    Plego Reviews & Testimonials

    • Undisclosed
      Undisclosed Owner at GM Lighting
      5.0★

      Web Development Review from Undisclosed

      Plego team is extremely knowledgeable and helpful, it is a delight to work with them. If you’re in search of a reliable, innovative company, look no further than Plego. They took the time to understand our specific needs and provided a tailor-made solution that greatly improved our website. We highly recommend this business.

    • Theodore Patestos
      Theodore Patestos CEO & Founder at Tiger Adjusters
      5.0★

      Software Development Review from Theodore Patestos

      We’ve worked with Saad and his team for close to a year now. They’ve been diligent throughout the process, responsive and communicative. They came in mid-stream to save the project from another development team that didn’t live up to their commitments. I would highly recommend Plego to any company looking to see things move forward on a stalled project or looking for a team that will jump in and start to get things done.

    • Tyler Tomlinson
      Tyler Tomlinson Technology Team Lead at ESCO Institute-HVAC Excellence
      5.0★

      Web Development Review from Tyler Tomlinson

      Saad and his team were a great group of people to work with. Our scenario was probably unique to this group, and they tackled the project with a full head of steam and with no hesitation. It has been a pleasure working alongside his team.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    4.9 4.9 (13)
    4.9 4.9 (11)

  • Improving

    Leading Technology Partner Fortune 500 Enterprises Trust to Build, Modernize, and Scale Globally

    With 2,500+ consultants across the US, Canada, Latin America, and India, Improving puts experienced technologists in your market, not just on your project. Our teams understand the regulatory landscape, industry norms, and technical expectations of the markets you serve...

    Top Services:

    • IT Services
    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    • Managed Services
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $10,000 - $25,000

    Improving Services

    • IT Services
    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    • Managed Services
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Integra Connect
    • Westfield Insurance
    • Collision Auto
    Data sourced from the agency's DesignRush profile

    Improving Reviews & Testimonials

    • anurag kumar
      anurag kumar Review from Google
      5.0★

      anurag kumar's Review Sourced from Google

      Proud to be a part of Improving, building Trust with our clients, partners and employees, serving the best IT experience in our industry

    • Tim Dickey
      Tim Dickey Review from Google
      5.0★

      Tim Dickey's Review Sourced from Google

      Improving is one of the most innovative consulting firms in the digital services industry to work with.

    • Rob Mapes
      Rob Mapes Review from Google
      5.0★

      Rob Mapes's Review Sourced from Google

      Improving allows several MeetUp groups to use their conference rooms in the evenings. And Improving is always in the top level of reviews for best companies to work for in DFW.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    4.7 4.7 (49)

  • MazikUSA

    IT Support Designed To Scale With Your Business

    MazikUSA delivers tailored onsite and offsite IT support, staff augmentation, and end-to-end technology solutions designed to help organizations innovate and scale. We support clients through globally distributed delivery teams across the globe - ensuring scalable, cost-effective, and time-zone-aligned...

    Top Services:

    • Software Development
    • AI Development
    • IoT
    • IT Services
    • Cybersecurity
    • Show more
    Location
    Park Ridge, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000

    MazikUSA Services

    • Software Development
    • AI Development
    • IoT
    • IT Services
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Sui Southern Gas Company Limited
    • United Energy Pakistan Limited
    • Invexal (USA)
    • Bank AlBilad (KSA
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile

  • Sourceved Technologies Pvt Ltd.

    Top Sitecore Solutions Provider

    We embrace digital transformation through customer centric tactical results unleashing as a digital innovation agency.Sourceved is providing enterprise cms based solution which includes Sitecore , Umbraco , EpiServer , SiteFinity , Drupal and WordPress for all industries...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Naperville, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed

    Sourceved Technologies Pvt Ltd. Services

    • Web Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • AI Development
    • ERP Consulting
    • CRM Consulting
    • DevOps Consulting
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Toastmasters International
    • Thrillworks
    • Avista
    • VirtusaPolaris
    • Icreon
    • 3AG Solutions
    • Sonata Software
    • Vantage Travel
    • Driven Inc
    • FastWebMedia
    Data sourced from the agency's DesignRush profile

    Sourceved Technologies Pvt Ltd. Reviews & Testimonials

    • umang shah
      umang shah Review from Google
      5.0★

      umang shah's Review Sourced from Google

      Sourceved has been an incredible partner for our IT needs. Their team is not only highly skilled but also incredibly responsive and committed to delivering quality solutions.They've consistently exceeded our expectations. I have no hesitation in recommending Sourceved to anyone seeking reliable and professional IT services.

    • Nitin Patel
      Nitin Patel Review from Google
      5.0★

      Nitin Patel's Review Sourced from Google

      I've had an exceptional experience working with Sourceved. Their team is highly professional and dedicated. They provided us with top-notch solutions for our software development needs. Their expertise in Sitecore has been invaluable. The quality of their work and their commitment to meeting deadlines is truly impressive. I highly recommend Sourceved for any IT or software development projects.

    • rutvi Parikh
      rutvi Parikh Review from Google
      5.0★

      rutvi Parikh's Review Sourced from Google

      I have been joined here as a trainee and they started giving me training from basic level to high level. and very positive and supportive staff. I learned lots of things from here. best company for freshers to starting their IT career from here ..

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    4.7 4.7 (34)

IT Services Companies in Illinois by City

Related Services in Illinois

IT Services Specializations in Illinois

Popular Services

Latest Trends Related to IT Services

10 Best Healthcare Data Solutions for CRM and API Integration
IT Services

10 Best Healthcare Data Solutions for CRM and API Integration

301
IT Services

10 Best Healthcare Audience Data Providers for Programmatic Advertising: 2026 Guide

329
IT Services

How to Choose a B2B Healthcare Data Provider Without Overpaying

333

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner

Specify your requirements