MSPSIG.DIR · state · as of 2026-10-28

Managed service providers in Wisconsin

153 managed service providers are tracked in Wisconsin. Quantum Technologies ranks highest by MSP score. Rated providers average 4.82 on Google.

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

Providers tracked153

Top rankedQuantum TechnologiesSturgeon Bay · MSP score 84

Rated providers average4.82★on Google · median score 56

Ranked by MSP score

top 25 of 120 shown · sort: score / best reviewed

Filtered: MSPs only · rated · Cybersecurity · 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

Quantum TechnologiesSturgeon Bay · MSP · 50-99AI EnablementManaged ITCybersecurity4.9★ (545)84100

002

Collett Systems LLCWest Bend · MSP · 100-249Managed ITCybersecurityCompliance5.0★ (41)8025

003

Heartland Business SystemsLittle Chute · MSP · 250+Managed ITCo-managed ITHelp Desk3.0★ (2)79100

004

CCB TechnologyRacine · MSP · 100-249Managed ITInfrastructure ManagementCybersecurity4.9★ (56)7775

005

MC ServicesMilwaukee · MSP · 100-249Backup and disaster recoveryCloud migrationCybersecurity5.0★ (17)7550

006

Rhyme Business ProductsPortage · MSP · 100-249Managed ITCo-managed ITCybersecurity4.9★ (56)730

007

Ontech Systems, IncMilwaukee · MSP · 25-49Backup and disaster recoveryCloud migrationCybersecurity5.0★ (40)7325

008

EO Johnson Business TechnologiesWausau · MSP · 100-249Managed PrintManaged ITCybersecurity4.8★ (10)7125

009

Premier Technologies USBeloit · MSP · 10-24Managed ITCybersecurityHelp Desk4.8★ (44)7125

010

3RT NetworksWest Salem · MSP · 10-24Managed ITCybersecurityCloud5.0★ (43)7150

011

Technology ArchitectsGreen Bay · MSP · 5-9Managed ITCybersecurityIT consulting5.0★ (19)7125

012

Powerful IT SystemsSussex · MSP · 5-9Backup and disaster recoveryCloud migrationCo-managed IT5.0★ (70)7175

013

PC LAN ServicesMilwaukee · MSP · 10-24Managed ITIT consultingHelp Desk5.0★ (87)710

014

Inter-QuestBeaver Dam · MSP · 10-24Managed ITCybersecurityVoIP4.9★ (121)7125

015

inTechnology DistributionEau Claire · MSP · 100-249Co-managed ITManaged ITNetwork management4.9★ (18)7125

016

PlatinumKenosha · MSP · 25-49Managed ITCo-managed ITCybersecurity5.0★ (32)700

017

LoyalityGreen Bay · MSP · 25-49Managed ITCo-managed ITCybersecurity5.0★ (18)6950

018

TSR SolutionsCedarburg · MSP · 50-99Managed ITCo-managed ITFully Managed IT5.0★ (49)690

019

RanderComAppleton · MSP · 10-24Managed ITNetwork ConfigurationCybersecurity5.0★ (53)6925

020

River RunGlendale · MSP · 100-249Managed ITMonitoring MaintenanceCybersecurity4.8★ (66)690

021

IT's UpTimeMilwaukee · MSP · 5-9Backup and disaster recoveryCo-managed ITCybersecurity4.9★ (34)6850

022

Chortek LLPWaukesha · MSP · 50-99Backup and disaster recoveryComplianceCybersecurity4.7★ (31)6825

023

2W TechnologiesPewaukee · MSP · 100-249Managed ITHelp DeskBackup and disaster recovery4.6★ (5)6825

024

Adesys IT SpecialistsFitchburg · MSP · 10-24Backup and disaster recoveryCybersecurityMicrosoft 3655.0★ (37)6850

025

The Office Technology GroupMilwaukee · MSP · 25-49Managed ITCo-managed ITCybersecurity4.8★ (33)6825

Showing 25 of 120 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-28

56.4

Median MSP scoreof Wisconsin providers

Publish a DMARC policyof Wisconsin providers

37%

Claim 24/7 supportof Wisconsin providers

Median headcountemployees

45 cities in Wisconsin carry exactly one tracked provider.

** end of report **

Cities in Wisconsin

top 12 of 71 · providers tracked

18Madison

From our research

MSPSIG.WIRE

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How many managed service providers are in Wisconsin?

153 tracked as of 2026-10-28.

Which provider ranks highest in Wisconsin?

Quantum Technologies, by MSP score.

What is the median size of a provider here?

11 employees.

Listed in Wisconsin?

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