MSPSIG.DIR · state · as of 2026-10-27

IT service providers in Illinois

98 IT service providers are tracked in Illinois, 82 of them MSPs. Sundog ranks highest by MSP score. Rated providers average 4.81 on Google.

MSPs only Claimed Rated Cybersecurity Managed IT Compliance Backup and disaster recovery ✓ Microsoft 365

Providers tracked9882 MSPs

Top rankedSundogRockford · MSP score 81

Rated providers average4.81★on Google · median score 50

Ranked by MSP score

top 25 of 98 shown · sort: score / best reviewed

Filtered: Microsoft 365 · clear

MSP score parts:Reputation (up to 30)Presence (up to 25)Credibility (up to 20)Scale (up to 15)Momentum (up to 10)

#ProviderServicesGoogleMSP scoreTrending

001

SundogRockford · MSP · 25-49CybersecurityMicrosoft 365VoIP and UCaaS5.0★ (38)8150

002

XL.netChicago · MSP · 25-49Managed ITIT consultingCloud migration5.0★ (64)79100

003

Outsource Solutions GroupChicago · MSP · 50-99Managed ITIT consultingBackup and disaster recovery4.8★ (31)7775

004

CDS Office Technologies PeoriaSpringfield · VAR and telecom · 100-249Managed ITCo-managed ITRansomware Prevention4.6★ (30)7525

005

JK Technology SolutionsLockport · MSP · 25-49Managed ITCybersecurityCompliance4.9★ (35)7525

006

WEBIT Services, Inc.Naperville · MSP · 25-49Managed ITCo-managed ITCybersecurity4.9★ (88)7525

007

ExcalTechRolling Meadows · MSP · 50-99Managed ITCybersecurityCMMC Compliance4.9★ (31)7425

008

Peters & AssociatesChicago · MSP · 250+AI ServicesCloud migrationCompliancenot observed7125

009

PSM PartnersChicago · MSP · 100-249Managed ITCybersecurityCloud migration4.9★ (45)7125

010

IntegrativesystemsLombard · IT consulting · 250+Ibm I As400 ModernizationApplication Gui ModernizationIbm I Support Servicesnot observed680

011

Unique Computing Solutions, IncFrankfort · MSP · 10-24Managed ITHelp DeskBackup and disaster recovery5.0★ (41)680

012

ITRegulators, IncBolingbrook · MSP · 5-9Managed ITIT consultingHelp Desk4.9★ (32)6850

013

Opensity SolutionsChicago · MSP · 250+Managed ITHelp DeskNetwork management4.7★ (24)6825

014

Tomorrow's Internet SolutionsLombard · MSP · 5-9Managed ITBackup and disaster recoveryNetwork management4.9★ (49)6725

015

ne Digital, Inc.Chicago · IT consulting · 5-9IT consultingManaged ITCybersecuritynot observed6775

016

Great Computer Solutions - GlobalNorthbrook · MSP · 100-249Managed ITCo-managed ITNetwork management5.0★ (3)670

017

Advanced Intelligence EngineeringWheaton · MSP · 5-9Managed ITIT consultingCybersecurity5.0★ (20)6650

018

JensenIT, IncDes Plaines · MSP · 10-24Managed ITCo-managed ITHelp Desk4.0★ (4)6650

019

Master Solutions, IncNaperville · MSP · 25-49Managed ITIT consultingHelp Desk5.0★ (3)650

020

Liventus, Inc.Northbrook · MSP · 100-249Cloud migrationCybersecurityMicrosoft 3655.0★ (4)650

021

NtivaChicago · MSP · 10-24Cloud migrationComplianceCybersecurity5.0★ (39)6525

022

HaystackIDChicago · MSSP · 250+Backup and disaster recoveryComplianceCybersecuritynot observed650

023

BTI Communications GroupDowners Grove · MSP · 50-99Backup and disaster recoveryCloud migrationCo-managed IT4.8★ (16)640

024

Computer RevolutionsMoline · MSP · 5-9Managed ITNetwork managementBackup and disaster recovery4.6★ (131)6350

025

Illini Tech ServicesCarlinville · MSP · 10-24Managed ITHelp DeskCybersecurity4.9★ (15)6325

Showing 25 of 98 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-27

50.1

Median MSP scoreof Illinois providers

Publish a DMARC policyof Illinois providers

50%

Claim 24/7 supportof Illinois providers

Median headcountemployees

33 cities in Illinois carry exactly one tracked provider.

** end of report **

Cities in Illinois

top 12 of 45 · providers tracked

From our research

MSPSIG.WIRE

2026-10-10IT companies in Illinois: what 1,466 listings show

2026-10-27IT Companies in Delaware: What the Listings Show

How many IT service providers are in Illinois?

98 tracked as of 2026-10-27.

Which provider ranks highest in Illinois?

Sundog, by MSP score.

What is the median size of a provider here?

8 employees.

Listed in Illinois?

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See where you rank against the 98 providers in your state and the firms inside your radius.

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