MSP SignalBETA
Company record · observed Oct 4, 2026 · confidence 83%
UnclaimedManaged service providerFounded 199016 staffLocal
Computer Maintenance Service logo

Computer Maintenance ServiceIT service provider profile · Mokena, IL

Ownership: IndependentPublic: NoTicker: ––Acquisition: ––Closed: ––
MSP score · confidence 83%
55.5OF 100
30-day change: –– · No changes detected in the last 180 days.
National rank#11,639of 45,502 · top 26%
IL#480of 1,765 · top 28%
Mokena#2of 8 · top 25%
Google 4.4★ (20)Organic ~57/moSecurity headers AHosting NginxDomain 21 yrsNAICS 541513

MSP Signal ranks Computer Maintenance Service #11,639 of 45,502 IT service providers nationally. Computer Maintenance Service is a managed service provider in Mokena, IL, founded 1990, with 16 staff. It offers Backup and disaster recovery, Compliance, vCIO.

Source: MSP Signal, Computer Maintenance Service company profile, Oct 4, 2026, https://mspsignal.com/msp/computer-maintenance-service

01

Score breakdown

5 pillars · weighted · 55.5 / 100
Reputation30%
71/100
Lifted by more Google reviews and a higher rating.
Presence25%
66/100
Lifted by a stronger website and public profiles.
Credibility20%
54/100
Lifted by a fuller record: services, credentials, pricing.
Scale15%
46/100
Lifted by team size.
Momentum10%
0/100
Lifted by more kinds of change in 180 days.
How the score works
Weighted contribution · how 55.5 is builtscore × weight = points
55.5of 100 · 44.5 unearned
0255075100
PillarScore / 100WeightPoints
Reputation
×30%21.4
Presence
×25%16.4
Credibility
×20%10.8
Scale
×15%6.8
Momentum
×10%0.0
▲ Momentum yields the fewest points per weight, the pillar with the most headroom.
30-day score Δ–no comparable history
30-day rank Δ–no comparable history
Change types · 180 d0 / 4No changes detected in the last 180 days.
Local rivals · 25 mihow chosen
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414 IT service providers within 25 miBasemap © Esri, HERE, Garmin, OpenStreetMap contributors
Claim · free · local benchmarkPreview
rivals by score band · gap to nearest higher / lower · counts, locked rows are previews, not published facts
02

Signal feed

1 events · 26 wks ending Sep 5, 2026
Activity · returned samplelatest week: 1 event
Counts the returned sample; empty weeks do not prove complete monitoring coverage.
Sep 5, 2026
Website changedservices removed: cybersecuritysource: their website
recorded
Signal planSignal plan · full rival watch: every change at every nearby rival.See the Signal plan
03

Reputation

Google · 20 reviews
4.4
Listing: ––review velocity: 0 in the last 365 days
Star distribution: ––
What reviewers mention
––
Listings
––
Sentiment––
Hours––
Other sources · BBB: –– · Facebook rating: ––
04

Services and offer

from their site
Backup and disaster recovery
CCompliance
vvCIO
VVoIP and UCaaS
Industries
ConstructionEducationFinanceHealthcareManufacturing
Availability
No 24/7 claim on their site
Guarantees
response_timesatisfaction
Compliance
HIPAA
Works with
––
Partners
––
05

Web & search

MSPSIG.RPT search scan · technical record
Organic visits~57/ month est.
Domain authority7/ 100
Top keywords · position
Organic keywords, top keywords, backlinks, referring domains and paid search: Signal plan. Owners see their own.
Website technology
Amazon AWSCakemailConnectWiseGoogle Search ConsoleMailchimp MandrillMicrosoft 365Microsoft 365 Apps & ServicesMicrosoft Email ProvidersMicrosoft ExchangeMicrosoft Exchange OnlineOutlookProofpoint
▸ Open technical record · web maturity 60 / 100
SEO15/15
Blog0/15
Pricing0/10
Reviews5/10
Socials10/10
Longevity10/10
Email Auth5/15
Site Depth10/10
Brand Assets5/5
unmeasured components: none
Performance · SEO · Accessibility61 · 92 · 94
Email authSPF
CDN––
HostingNginx
Blognone
Subdomains1
Security headersA
06

Record & location

HQ
5 mi10 miHQMap of Computer Maintenance Service headquarters in Mokena (approximate HQ area)Approximate HQ areaBasemap © Esri, HERE, Garmin, OpenStreetMap contributors
Computer Maintenance Service website snapshot
Website
Location
19231 Henry Dr
Founded
1990
Staff
16 staff · national median 10
Languages
––
Annual revenue
$1M to $10M · range · exact estimate on the Signal plan
NAICS
541513, 811210
Also from
––
States served
––
07

People & hiring

10 tracked · 2 leaders
Staff by department
Support
2
Engineering
2
Information Technology
2
Hiring
0job postings in 90 days
Job postings: ––
Careers page ↗
08

Recognition, news & about

public sources
Awards & rankings
––
Peer mentions in 90 days: 0 · BBB: ––
In the news
––
About

In their own wordsSince 1991, Computer Maintenance Service, Inc. has been providing Chicago and surrounding areas with comprehensive on-site and depot center computing, printing, and networking support. We currently service a large customer base comprised of almost every business and public sector, as well as thousands of residential computer users.

MSPSIG.MEMO · summary from public sourcesComputer Maintenance Service has navigated Illinois's competitive managed services landscape for roughly 22 years, serving construction, education, finance, and healthcare firms. The Mokena firm handles HIPAA compliance, backup and disaster recovery, VoIP and UCaaS deployments, and vCIO strategy across a team of 10 to 24 professionals. Sustained operations across two decades in regulated verticals reflect the depth required to manage healthcare data obligations alongside the infrastructure demands of education and financial services.
Leadership
2 leaders named
0 joined and 0 left in 90 days
Service areas
––
Partner badge
––
09

What they say about themselves

site quotations · unconfirmed
Longevity

“The service I receive from CMS is very personalized which is something I have not found in past IT companies.” Ellen B., President Real Estate “My company has engaged CMS as my IT provider for the past 10+ years.”

“We have been blessed with growth over the years and recognized that we needed to enlist a firm that would take on the IT management burden.”

“Experienced We hire only seasoned, professional technicians with at least 5-10 years experience and usually many more.”

Availability

“Service and Support – We'll always be around 24/7 to serve your needs, and we'll monitor your systems to prevent any problems in the first place.”

“With state-of- the-art network monitoring and management, we manage your network 24/7 to identify issues and address them BEFORE they become problems, rather than putting out fires.”

“Predictable costs 24/7 – Computer Maintenance Service doesn't charge you more when your network is down or a server fails.”

up to three quotations per category
10

Frequently asked questions

reuses public facts · FAQ schema
Where is Computer Maintenance Service located?

19231 Henry Dr.

How many people work at Computer Maintenance Service?

Computer Maintenance Service has 16 staff.

What services does Computer Maintenance Service offer?

Backup and disaster recovery, Compliance, vCIO, VoIP and UCaaS.

What compliance frameworks does Computer Maintenance Service serve?

HIPAA.

How does Computer Maintenance Service rank among IT providers in Mokena?

#2 of 8 observed providers in Mokena; #11,639 of 45,502 nationally.

Is Computer Maintenance Service claimed on MSP Signal?

Not claimed.

Claimed · not shown (unclaimed) · Verified data · conditional on field sources · Registered entity · conditional on legal-entity nameLast observed Oct 4, 2026 · Citation: Computer Maintenance Service company profile · https://mspsignal.com/msp/computer-maintenance-service
Correct this recordClaim this company