Company lists · Data refreshed September 2026
Top 25 IT support companies based in Chicago, United States
RevenueBase identified 101 company matches for IT support companies associated with Chicago, United States as of September 2026 and tracks 566 professional contacts across them, including 177 with verified work emails. Across the United States, New York is the largest hub for this category (243 companies); Chicago has 101.
This list covers company matches for IT support companies associated with Chicago, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest IT support companies based in Chicago, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 89 contacts → | ||||
Exact match “At EMPIST, our mission is to fuel businesses with the technology they need to succeed.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 88 contacts → | ||||
Exact match “CrossRealms International is a Cybersecurity-First company operating across the United States, Europe, MENA region, and Asia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 40 contacts → | ||||
Exact match “MIS Computer: More Than An MSP.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 32 contacts → | ||||
Exact match “At SMaRT Technology Services, our resources are dedicated to helping businesses, schools and governmental agencies by making sure their organization's technology is highly…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 15 contacts → | ||||
Exact match “CTS is your Technology Management Partner when it comes to managing all the computing needs of your business!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 14 contacts → | ||||
Exact match “One of the top IT companies in Chicago.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “IT Risk Managers LLC provides proactive Chicago IT support to insure systems are available and ready to meet the needs of today's businesses 24/7.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 12 contacts → | ||||
Exact match “Since its founding in The MIS Department has provided enterprise class support and service to small and medium-sized businesses in the U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “INTELLIGENTLY TAILORED IT.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “FireLogic is your complete Managed IT Services provider that specializes in technology support, consulting, training, and deployment for commercial, nonprofit, and education…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “We want to be your IT Department!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Birds on a Cable is a Chicago based Information Technology company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “At Demakis Technologies, we fully protect your business with our IT managed Services and Solutions; from system maintenance to cyber security, to data backup & recovery, we will…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “vitaltech is Chicago’s leading provider of outsourced IT services, dedicated to delivering a genuine, human IT experience through a high-energy approach and adaptable products and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Dedicated, Full Service IT Management.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “From server maintenance to disaster recovery, cloud solutions, IT network cyber security, asset management and more, TriForma Tech is in the business of making your business…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Slow computers, clunky systems, and unexpected downtime aren’t just frustrating-they hold your team back and drain productivity.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Everything in your business depends upon technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Apex IT and Cybersecurity Solutions Inc is a leading Technology and Cybersecurity services firm based in Chicago, IL.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “We are leading IT company with offices in multiple regions of United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “NerdsToGo® has been providing computer repairs and technology-based services to both small businesses and homes since our founding in 2003.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Datastrive offers an array of comprehensive IT services designed to address your organization’s unique needs.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Red Door Technologies has protected Chicago small businesses since 2009.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Hudson Sky offers a full range of Managed IT Services and IT Consulting support for businesses across the United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “IT support companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 101 IT support companies based in Chicago, United States
See the full list, filter by size, metro and specialty, and access 177 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT support companies based in Chicago, United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 101 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Chicago, United States whose business descriptions match “IT support companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 177 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
IT support companies by metro in the United States
- IT support companies in New York243
- IT support companies in Houston149
- IT support companies in Miami102
- IT support companies in Austin84
- IT support companies in San Diego84
- IT support companies in Atlanta80
- IT support companies in Los Angeles79
- IT support companies in Dallas73
- IT support companies in Tampa71
- IT support companies in Denver66
- IT support companies in Las Vegas65
- IT support companies in Phoenix62
- IT support companies in San Francisco59
- IT support companies in Seattle55
- IT support companies in San Antonio53
- IT support companies in Charlotte49
- IT support companies in Irvine49
- IT support companies in Orlando49
- IT support companies in Columbus43
- IT support companies in Portland42
- IT support companies in Washington36
- IT support companies in Indianapolis34
- IT support companies in Philadelphia34
- IT support companies in Pittsburgh34
- IT support companies in Wilmington34
- IT support companies in Cincinnati33
- IT support companies in Jacksonville33
- IT support companies in Arlington32
- IT support companies in Raleigh32
- IT support companies in Fort Lauderdale31
- IT support companies in San Jose31
- IT support companies in Louisville30
- IT support companies in Greenville28
- IT support companies in Richmond28
- IT support companies in Sacramento28
- IT support companies in Troy28
- IT support companies in Tucson28
- IT support companies in Cleveland27
- IT support companies in Nashville27
- IT support companies in Springfield27
- IT support companies in Tulsa27
- IT support companies in Alexandria26
- IT support companies in Grand Rapids26
- IT support companies in West Palm Beach26
- IT support companies in Baltimore25
- IT support companies in Colorado Springs25
- IT support companies in Oklahoma City25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT support companies are there based in Chicago, United States?
RevenueBase identified 101 company matches for IT support companies associated with Chicago, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Empist tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most IT support companies?
New York leads the United States with 243 company records, followed by Houston (149) and Miami (102). Chicago has 101.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 177 professional contacts with verified work emails tracked across these 101 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 101 IT support companies based in Chicago, United States. Start with a free account, no credit card.
Download this list →Related lists
IT support companies by geography
- IT support companies based in Adelaide, Australia
- IT support companies based in Brisbane, Australia
- IT support companies based in Melbourne, Australia
- IT support companies based in Perth, Australia
- IT support companies based in Sydney, Australia
- IT support companies based in Belo Horizonte, Brazil
- IT support companies based in Porto Alegre, Brazil
- IT support companies based in Rio De Janeiro, Brazil
- IT support companies based in Sao Paulo, Brazil
- IT support companies based in Calgary, Canada
- IT support companies based in Edmonton, Canada
- IT support companies based in Mississauga, Canada
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT support companies based in Adelaide, Australia
- IT support companies based in Brisbane, Australia
- IT support companies based in Melbourne, Australia
- IT support companies based in Perth, Australia
- IT support companies based in Sydney, Australia
- IT support companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 IT support companies based in Chicago, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 101 matching company records for IT support companies based in Chicago, United States, with 566 tracked contacts and 177 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT support companies based in Chicago, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Empistlinkin.bioHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 89 contacts → |
“At EMPIST, our mission is to fuel businesses with the technology they need to succeed.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Crossrealms Internationalcrossrealms.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 88 contacts → |
“CrossRealms International is a Cybersecurity-First company operating across the United States, Europe, MENA region, and Asia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  MIS Computer MSPmiscomputer.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 40 contacts → |
“MIS Computer: More Than An MSP.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Smart Technology Services, INCsmartts.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 32 contacts → |
“At SMaRT Technology Services, our resources are dedicated to helping businesses, schools and governmental agencies by making sure their organization's technology is highly…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Computing Technology Solutionsonlinects.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 15 contacts → |
“CTS is your Technology Management Partner when it comes to managing all the computing needs of your business!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Nectel Technologies, INCnecteltechnologies.comHQ: Chicago, IL, United StatesReported employees: Not recorded | Chicago, IL, United States | Not recorded | Exact match | 14 contacts → |
“One of the top IT companies in Chicago.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  IT Risk Managers LLCchicagocomputersupportservices.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 13 contacts → |
“IT Risk Managers LLC provides proactive Chicago IT support to insure systems are available and ready to meet the needs of today's businesses 24/7.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  The MIS Department, INCmisdepartment.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 12 contacts → |
“Since its founding in The MIS Department has provided enterprise class support and service to small and medium-sized businesses in the U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Protek-Itteamprotek-it.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 10 contacts → |
“INTELLIGENTLY TAILORED IT.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Firelogicfirelogic.netHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 10 contacts → |
“FireLogic is your complete Managed IT Services provider that specializes in technology support, consulting, training, and deployment for commercial, nonprofit, and education…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Layer 7 Systemslayer7systems.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 10 contacts → |
“We want to be your IT Department!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Birds On A Cablebirdsonacable.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 9 contacts → |
“Birds on a Cable is a Chicago based Information Technology company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Demakis Technologiesdemakistech.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 7 contacts → |
“At Demakis Technologies, we fully protect your business with our IT managed Services and Solutions; from system maintenance to cyber security, to data backup & recovery, we will…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Vitaltechvitaltechsolutions.comHQ: Chicago, United StatesReported employees: 1-10 | Chicago, United States | 1-10 | Exact match | 7 contacts → |
“vitaltech is Chicago’s leading provider of outsourced IT services, dedicated to delivering a genuine, human IT experience through a high-energy approach and adaptable products and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mayflower Technologies LLCmayflowertech.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 6 contacts → |
“Dedicated, Full Service IT Management.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Triforma Techtriforma.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 5 contacts → |
“From server maintenance to disaster recovery, cloud solutions, IT network cyber security, asset management and more, TriForma Tech is in the business of making your business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Chat Tech Solutionschattechsolutions.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 5 contacts → |
“Slow computers, clunky systems, and unexpected downtime aren’t just frustrating-they hold your team back and drain productivity.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Adivi Corporationadivi.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 5 contacts → |
“Everything in your business depends upon technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Apollo Blueapolloblue.comHQ: Chicago, United StatesReported employees: 11-50 | Chicago, United States | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Apex IT And Cybersecurity Solutionsapexcybersecurity.orgHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 4 contacts → |
“Apex IT and Cybersecurity Solutions Inc is a leading Technology and Cybersecurity services firm based in Chicago, IL.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Fast & Secure Cloud Servicesfascure-hosting.comHQ: Chicago, United StatesReported employees: 1-10 | Chicago, United States | 1-10 | Exact match | 4 contacts → |
“We are leading IT company with offices in multiple regions of United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Nerdstogo Chicago Downtownnerdstogo.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 4 contacts → |
“NerdsToGo® has been providing computer repairs and technology-based services to both small businesses and homes since our founding in 2003.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Datastrivedatastrive.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 3 contacts → |
“Datastrive offers an array of comprehensive IT services designed to address your organization’s unique needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  RED Door Technologiesreddoortechnologies.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 3 contacts → |
“Red Door Technologies has protected Chicago small businesses since 2009.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hudson SKYhudsonsky.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 3 contacts → |
“Hudson Sky offers a full range of Managed IT Services and IT Consulting support for businesses across the United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 101 company matches
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IT support companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
101 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 101 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT support companies by metro in the United States
- IT support companies in New York243
- IT support companies in Houston149
- IT support companies in Miami102
- IT support companies in Austin84
- IT support companies in San Diego84
- IT support companies in Atlanta80
- IT support companies in Los Angeles79
- IT support companies in Dallas73
- IT support companies in Tampa71
- IT support companies in Denver66
- IT support companies in Las Vegas65
- IT support companies in Phoenix62
- IT support companies in San Francisco59
- IT support companies in Seattle55
- IT support companies in San Antonio53
- IT support companies in Charlotte49
- IT support companies in Irvine49
- IT support companies in Orlando49
- IT support companies in Columbus43
- IT support companies in Portland42
- IT support companies in Washington36
- IT support companies in Indianapolis34
- IT support companies in Philadelphia34
- IT support companies in Pittsburgh34
- IT support companies in Wilmington34
- IT support companies in Cincinnati33
- IT support companies in Jacksonville33
- IT support companies in Arlington32
- IT support companies in Raleigh32
- IT support companies in Fort Lauderdale31
- IT support companies in San Jose31
- IT support companies in Louisville30
- IT support companies in Greenville28
- IT support companies in Richmond28
- IT support companies in Sacramento28
- IT support companies in Troy28
- IT support companies in Tucson28
- IT support companies in Cleveland27
- IT support companies in Nashville27
- IT support companies in Springfield27
- IT support companies in Tulsa27
- IT support companies in Alexandria26
- IT support companies in Grand Rapids26
- IT support companies in West Palm Beach26
- IT support companies in Baltimore25
- IT support companies in Colorado Springs25
- IT support companies in Oklahoma City25
Questions about this company list
What does Exact match mean for IT support companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT support companies did RevenueBase find based in Chicago, United States?
The saved snapshot records 101 matching company records, 566 tracked contacts and 177 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT support companies by geography
- IT support companies based in Adelaide, Australia
- IT support companies based in Brisbane, Australia
- IT support companies based in Melbourne, Australia
- IT support companies based in Perth, Australia
- IT support companies based in Sydney, Australia
- IT support companies based in Belo Horizonte, Brazil
- IT support companies based in Porto Alegre, Brazil
- IT support companies based in Rio De Janeiro, Brazil
- IT support companies based in Sao Paulo, Brazil
- IT support companies based in Calgary, Canada
- IT support companies based in Edmonton, Canada
- IT support companies based in Mississauga, Canada
Cite this list
RevenueBase Data Team. Top 25 IT support companies based in Chicago, United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/it-support-companies/united-states/chicago.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT support companies based in Adelaide, Australia
- IT support companies based in Brisbane, Australia
- IT support companies based in Melbourne, Australia
- IT support companies based in Perth, Australia
- IT support companies based in Sydney, Australia
- IT support companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 IT support companies based in Chicago, United States
RevenueBase records 101 matching company records for IT support companies based in Chicago, United States, with 566 tracked contacts and 177 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT support companies based in Chicago, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Empistlinkin.bio HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 89 contacts → |
“At EMPIST, our mission is to fuel businesses with the technology they need to succeed.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Crossrealms Internationalcrossrealms.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 88 contacts → |
“CrossRealms International is a Cybersecurity-First company operating across the United States, Europe, MENA region, and Asia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MIS Computer MSPmiscomputer.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 40 contacts → |
“MIS Computer: More Than An MSP.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Smart Technology Services, INCsmartts.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 32 contacts → |
“At SMaRT Technology Services, our resources are dedicated to helping businesses, schools and governmental agencies by making sure their organization's technology is highly…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Computing Technology Solutionsonlinects.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 15 contacts → |
“CTS is your Technology Management Partner when it comes to managing all the computing needs of your business!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nectel Technologies, INCnecteltechnologies.com HQ: Chicago, IL, United StatesReported employees: Not recorded | Chicago, IL, United States | Not recorded | Exact match | 14 contacts → |
“One of the top IT companies in Chicago.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | IT Risk Managers LLCchicagocomputersupportservices.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 13 contacts → |
“IT Risk Managers LLC provides proactive Chicago IT support to insure systems are available and ready to meet the needs of today's businesses 24/7.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | The MIS Department, INCmisdepartment.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 12 contacts → |
“Since its founding in The MIS Department has provided enterprise class support and service to small and medium-sized businesses in the U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Protek-Itteamprotek-it.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 10 contacts → |
“INTELLIGENTLY TAILORED IT.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Firelogicfirelogic.net HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 10 contacts → |
“FireLogic is your complete Managed IT Services provider that specializes in technology support, consulting, training, and deployment for commercial, nonprofit, and education…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Layer 7 Systemslayer7systems.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 10 contacts → |
“We want to be your IT Department!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Birds On A Cablebirdsonacable.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 9 contacts → |
“Birds on a Cable is a Chicago based Information Technology company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Demakis Technologiesdemakistech.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 7 contacts → |
“At Demakis Technologies, we fully protect your business with our IT managed Services and Solutions; from system maintenance to cyber security, to data backup & recovery, we will…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Vitaltechvitaltechsolutions.com HQ: Chicago, United StatesReported employees: 1-10 | Chicago, United States | 1-10 | Exact match | 7 contacts → |
“vitaltech is Chicago’s leading provider of outsourced IT services, dedicated to delivering a genuine, human IT experience through a high-energy approach and adaptable products and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mayflower Technologies LLCmayflowertech.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 6 contacts → |
“Dedicated, Full Service IT Management.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Triforma Techtriforma.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 5 contacts → |
“From server maintenance to disaster recovery, cloud solutions, IT network cyber security, asset management and more, TriForma Tech is in the business of making your business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Chat Tech Solutionschattechsolutions.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 5 contacts → |
“Slow computers, clunky systems, and unexpected downtime aren’t just frustrating-they hold your team back and drain productivity.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Adivi Corporationadivi.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 5 contacts → |
“Everything in your business depends upon technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Apollo Blueapolloblue.com HQ: Chicago, United StatesReported employees: 11-50 | Chicago, United States | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Apex IT And Cybersecurity Solutionsapexcybersecurity.org HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 4 contacts → |
“Apex IT and Cybersecurity Solutions Inc is a leading Technology and Cybersecurity services firm based in Chicago, IL.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fast & Secure Cloud Servicesfascure-hosting.com HQ: Chicago, United StatesReported employees: 1-10 | Chicago, United States | 1-10 | Exact match | 4 contacts → |
“We are leading IT company with offices in multiple regions of United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nerdstogo Chicago Downtownnerdstogo.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 4 contacts → |
“NerdsToGo® has been providing computer repairs and technology-based services to both small businesses and homes since our founding in 2003.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Datastrivedatastrive.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 3 contacts → |
“Datastrive offers an array of comprehensive IT services designed to address your organization’s unique needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | RED Door Technologiesreddoortechnologies.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 3 contacts → |
“Red Door Technologies has protected Chicago small businesses since 2009.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hudson SKYhudsonsky.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 3 contacts → |
“Hudson Sky offers a full range of Managed IT Services and IT Consulting support for businesses across the United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 101 company matches
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IT support companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
101 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 101 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT support companies by metro in the United States
- IT support companies in New York243
- IT support companies in Houston149
- IT support companies in Miami102
- IT support companies in Austin84
- IT support companies in San Diego84
- IT support companies in Atlanta80
- IT support companies in Los Angeles79
- IT support companies in Dallas73
- IT support companies in Tampa71
- IT support companies in Denver66
- IT support companies in Las Vegas65
- IT support companies in Phoenix62
- IT support companies in San Francisco59
- IT support companies in Seattle55
- IT support companies in San Antonio53
- IT support companies in Charlotte49
- IT support companies in Irvine49
- IT support companies in Orlando49
- IT support companies in Columbus43
- IT support companies in Portland42
- IT support companies in Washington36
- IT support companies in Indianapolis34
- IT support companies in Philadelphia34
- IT support companies in Pittsburgh34
- IT support companies in Wilmington34
- IT support companies in Cincinnati33
- IT support companies in Jacksonville33
- IT support companies in Arlington32
- IT support companies in Raleigh32
- IT support companies in Fort Lauderdale31
- IT support companies in San Jose31
- IT support companies in Louisville30
- IT support companies in Greenville28
- IT support companies in Richmond28
- IT support companies in Sacramento28
- IT support companies in Troy28
- IT support companies in Tucson28
- IT support companies in Cleveland27
- IT support companies in Nashville27
- IT support companies in Springfield27
- IT support companies in Tulsa27
- IT support companies in Alexandria26
- IT support companies in Grand Rapids26
- IT support companies in West Palm Beach26
- IT support companies in Baltimore25
- IT support companies in Colorado Springs25
- IT support companies in Oklahoma City25
Questions about this company list
What does Exact match mean for IT support companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT support companies did RevenueBase find based in Chicago, United States?
The saved snapshot records 101 matching company records, 566 tracked contacts and 177 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT support companies by geography
- IT support companies based in Adelaide, Australia
- IT support companies based in Brisbane, Australia
- IT support companies based in Melbourne, Australia
- IT support companies based in Perth, Australia
- IT support companies based in Sydney, Australia
- IT support companies based in Belo Horizonte, Brazil
- IT support companies based in Porto Alegre, Brazil
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- IT support companies based in Calgary, Canada
- IT support companies based in Edmonton, Canada
- IT support companies based in Mississauga, Canada
Cite this list
RevenueBase Data Team. Top 25 IT support companies based in Chicago, United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/it-support-companies/united-states/chicago.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT support companies based in Adelaide, Australia
- IT support companies based in Brisbane, Australia
- IT support companies based in Melbourne, Australia
- IT support companies based in Perth, Australia
- IT support companies based in Sydney, Australia
- IT support companies based in Belo Horizonte, Brazil