Company lists · Data refreshed November 2026
Top 19 Mainframe and legacy system professional and managed services providers based in Canada
RevenueBase identified 32 company matches for mainframe and legacy system professional and managed services providers associated with Canada as of November 2026 and tracks 779 professional contacts across them, including 490 with verified work emails. Montreal is the largest hub.
This list covers company matches for mainframe and legacy system professional and managed services providers associated with Canada, 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 November 6, 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 19 largest mainframe and legacy system professional and managed services providers based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 365 contacts → | ||||
Exact match “Fresche Solutions is an AI-powered IT modernization company that manages and maximizes the value of your IBM i and Microsoft systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 136 contacts → | ||||
Exact match “VOTRE PARTENAIRE DE CONFIANCE POUR LES SOLUTIONS TECHNOLOGIQUES D’ENTREPRISE La transformation numérique est bien plus qu’un métier pour nous, c’est un engagement.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 69 contacts → | ||||
Exact match “Accurate Network Services is an IT Managed Services Provider offering solutions that go beyond break-fix support.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 46 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 27 contacts → | ||||
Exact match “Data Integrity’s team of certified professionals has been developing leading-edge solutions that address the challenges of managing information technology since 1981.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match “At Dyrand Systems, we believe technology is most effective when it’s human-centric and driven with purpose.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 20 contacts → | ||||
Exact match “Cover-All Managed Cloud and IT Services is a Managed Services Provider (MSP) delivering cost effective solutions for Managed Cloud, Managed Mainframe, Managed IT, Cyber Security…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 15 contacts → | ||||
Exact match “Sensible Solutions for your Business Established in 2004, in Toronto, Canada; providing Managed Infrastructure Services to clients all over the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “We are a team of IT experts offering a complete and comprehensive portfolio of services and solutions for businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Coastal Core is a leading provider of IT managed services based in Vancouver, Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “ClientServ Technologies helps businesses untangle their IT, clearly, efficiently, and without the headaches.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “Blackcreek Technologies is a dynamic company dedicated to providing integrated business technology solutions and improvements to our valued customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Bargetzi & Associates is an information technology consulting company specializing in design, implementation and managed support of your business critical IT systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “Hibbs Technical Consulting Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “CELEBRATING 13 YEARS OF TECHNOLOGY SERVICES AND SOLUTIONS Tech Patrol Inc is an established IT company serving small and medium-sized business since 2005.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Net2Web has been providing enterprise IT managed services and technology solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Ce que seule la grande entreprise pouvait s’offrir est maintenant accessible aux PME ITGS a été fondé en 2004 Elle offre aux PME un système de gestion de réseau que seul les…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Cover-All Managed Cloud and IT Services is a Managed Services Provider (MSP) delivering cost effective solutions for Managed Cloud, Managed Mainframe, Managed IT, Cyber Security…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “We are a managed information technology services company dedicated to providing consistent and reliable technology services and solutions to the SMB business sector.” Recorded in the RevenueBase company graph · Nov 6, 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 “mainframe and legacy system professional and managed services providers”. 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 19 of 32 mainframe and legacy system professional and managed services providers based in Canada
See the full list, filter by size, metro and specialty, and access 490 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mainframe and legacy system professional and managed services providers based in Canada at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 32 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 Canada whose business descriptions match “mainframe and legacy system professional and managed services providers” 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 490 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 November 6, 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.
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 “mainframe and legacy system professional and managed services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mainframe and legacy system professional and managed services providers are there based in Canada?
RevenueBase identified 32 company matches for mainframe and legacy system professional and managed services providers associated with Canada as of November 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?
Fresche Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mainframe and legacy system professional and managed services providers?
Montreal leads with 4 company records, followed by Vancouver (4) and Markham (3).
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 490 professional contacts with verified work emails tracked across these 32 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 32 mainframe and legacy system professional and managed services providers based in Canada. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 19 mainframe and legacy system professional and managed services providers based in Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 32 matching company records for mainframe and legacy system professional and managed services providers based in Canada, with 779 tracked contacts and 490 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 19 mainframe and legacy system professional and managed services providers based in Canada
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 |  Fresche Solutionsfreschesolutions.comHQ: Montréal, QC, CanadaReported employees: 201-500 | Montréal, QC, Canada | 201-500 | Exact match | 365 contacts → |
“Fresche Solutions is an AI-powered IT modernization company that manages and maximizes the value of your IBM i and Microsoft systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  MSP Corpmspcorp.caHQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 136 contacts → |
“VOTRE PARTENAIRE DE CONFIANCE POUR LES SOLUTIONS TECHNOLOGIQUES D’ENTREPRISE La transformation numérique est bien plus qu’un métier pour nous, c’est un engagement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Accurate Network Services INCaccuratenetworks.caHQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 69 contacts → |
“Accurate Network Services is an IT Managed Services Provider offering solutions that go beyond break-fix support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Renapsrenaps.comHQ: Montréal, QC, CanadaReported employees: 51-200 | Montréal, QC, Canada | 51-200 | Exact match | 46 contacts → |
“Who are we?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Data Integrity INCdataintegrity.comHQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 27 contacts → |
“Data Integrity’s team of certified professionals has been developing leading-edge solutions that address the challenges of managing information technology since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Dyrand Systemsdyrand.comHQ: Vancouver, BC, CanadaReported employees: 11-50 | Vancouver, BC, Canada | 11-50 | Exact match | 27 contacts → |
“At Dyrand Systems, we believe technology is most effective when it’s human-centric and driven with purpose.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Coverall Managed Cloud And IT Servicescoverallmcits.caHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 20 contacts → |
“Cover-All Managed Cloud and IT Services is a Managed Services Provider (MSP) delivering cost effective solutions for Managed Cloud, Managed Mainframe, Managed IT, Cyber Security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Applications On Networks Inc. Appsonnetappsonnet.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Sensible Solutions for your Business Established in 2004, in Toronto, Canada; providing Managed Infrastructure Services to clients all over the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Microage Kingstonmicroagekingston.caHQ: Kingston, ON, CanadaReported employees: 11-50 | Kingston, ON, Canada | 11-50 | Exact match | 12 contacts → |
“We are a team of IT experts offering a complete and comprehensive portfolio of services and solutions for businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Coastal Core IT Solutionscoastalcore.caHQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 5 contacts → |
“Coastal Core is a leading provider of IT managed services based in Vancouver, Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Clientserv Technologies INCclientserv.comHQ: Surrey, BC, CanadaReported employees: 11-50 | Surrey, BC, Canada | 11-50 | Exact match | 5 contacts → |
“ClientServ Technologies helps businesses untangle their IT, clearly, efficiently, and without the headaches.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Blackcreek Technologies Limitedblackcreektechnologies.com HQ: Kitchener, ON, CanadaReported employees: 11-50 | Kitchener, ON, Canada | 11-50 | Exact match | 4 contacts → |
“Blackcreek Technologies is a dynamic company dedicated to providing integrated business technology solutions and improvements to our valued customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Bargetzi & Associatesbargetzi.caHQ: Okotoks, AB, CanadaReported employees: 1-10 | Okotoks, AB, Canada | 1-10 | Exact match | 4 contacts → |
“Bargetzi & Associates is an information technology consulting company specializing in design, implementation and managed support of your business critical IT systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  HTC Serviceshtcservices.caHQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 2 contacts → |
“Hibbs Technical Consulting Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Tech Patrol INCtechpatrol.caHQ: Sherwood Park, AB, CanadaReported employees: 1-10 | Sherwood Park, AB, Canada | 1-10 | Exact match | 2 contacts → |
“CELEBRATING 13 YEARS OF TECHNOLOGY SERVICES AND SOLUTIONS Tech Patrol Inc is an established IT company serving small and medium-sized business since 2005.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Net2web INCnet2web.caHQ: Markham, CanadaReported employees: 1-10 | Markham, Canada | 1-10 | Exact match | 2 contacts → |
“Net2Web has been providing enterprise IT managed services and technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Itgs INCitgs.caHQ: Montreal, QC, CanadaReported employees: 1-10 | Montreal, QC, Canada | 1-10 | Exact match | 2 contacts → |
“Ce que seule la grande entreprise pouvait s’offrir est maintenant accessible aux PME ITGS a été fondé en 2004 Elle offre aux PME un système de gestion de réseau que seul les…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cover-All Managed Cloud And IT Servicesmsp.cover-all.ca HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 1 contacts → |
“Cover-All Managed Cloud and IT Services is a Managed Services Provider (MSP) delivering cost effective solutions for Managed Cloud, Managed Mainframe, Managed IT, Cyber Security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Orbyt Systems INCorbytsystems.comHQ: Burlington, ON, CanadaReported employees: 1-10 | Burlington, ON, Canada | 1-10 | Exact match | 1 contacts → |
“We are a managed information technology services company dedicated to providing consistent and reliable technology services and solutions to the SMB business sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 32 company matches
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Mainframe and legacy system professional and managed services providers: dataset insights
November 6, 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
32 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 worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 32 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for mainframe and legacy system professional and managed services providers?
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 mainframe and legacy system professional and managed services providers did RevenueBase find based in Canada?
The saved snapshot records 32 matching company records, 779 tracked contacts and 490 verified emails. The public preview displays 19 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: November 6, 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
Mainframe and legacy system professional and managed services providers by geography
- Mainframe and legacy system professional and managed services providers based in Australia
- Mainframe and legacy system professional and managed services providers based in France
- Mainframe and legacy system professional and managed services providers based in Germany
- Mainframe and legacy system professional and managed services providers based in India
- Mainframe and legacy system professional and managed services providers based in Italy
- Mainframe and legacy system professional and managed services providers based in the United Kingdom
- Mainframe and legacy system professional and managed services providers based in the United States
Cite this list
RevenueBase Data Team. Top 19 mainframe and legacy system professional and managed services providers based in Canada. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mainframe-and-legacy-system-professional-and-managed-services-providers/canada.
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
- Mainframe and legacy system professional and managed services providers based in Australia
- Mainframe and legacy system professional and managed services providers based in France
- Mainframe and legacy system professional and managed services providers based in Germany
- Mainframe and legacy system professional and managed services providers based in India
- Mainframe and legacy system professional and managed services providers based in Italy
- Mainframe and legacy system professional and managed services providers based in the United Kingdom
Company intelligence · public preview
Top 19 mainframe and legacy system professional and managed services providers based in Canada
RevenueBase records 32 matching company records for mainframe and legacy system professional and managed services providers based in Canada, with 779 tracked contacts and 490 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 19 mainframe and legacy system professional and managed services providers based in Canada
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 | Fresche Solutionsfreschesolutions.com HQ: Montréal, QC, CanadaReported employees: 201-500 | Montréal, QC, Canada | 201-500 | Exact match | 365 contacts → |
“Fresche Solutions is an AI-powered IT modernization company that manages and maximizes the value of your IBM i and Microsoft systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | MSP Corpmspcorp.ca HQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 136 contacts → |
“VOTRE PARTENAIRE DE CONFIANCE POUR LES SOLUTIONS TECHNOLOGIQUES D’ENTREPRISE La transformation numérique est bien plus qu’un métier pour nous, c’est un engagement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Accurate Network Services INCaccuratenetworks.ca HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 69 contacts → |
“Accurate Network Services is an IT Managed Services Provider offering solutions that go beyond break-fix support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Renapsrenaps.com HQ: Montréal, QC, CanadaReported employees: 51-200 | Montréal, QC, Canada | 51-200 | Exact match | 46 contacts → |
“Who are we?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Data Integrity INCdataintegrity.com HQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 27 contacts → |
“Data Integrity’s team of certified professionals has been developing leading-edge solutions that address the challenges of managing information technology since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dyrand Systemsdyrand.com HQ: Vancouver, BC, CanadaReported employees: 11-50 | Vancouver, BC, Canada | 11-50 | Exact match | 27 contacts → |
“At Dyrand Systems, we believe technology is most effective when it’s human-centric and driven with purpose.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Coverall Managed Cloud And IT Servicescoverallmcits.ca HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 20 contacts → |
“Cover-All Managed Cloud and IT Services is a Managed Services Provider (MSP) delivering cost effective solutions for Managed Cloud, Managed Mainframe, Managed IT, Cyber Security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Applications On Networks Inc. Appsonnetappsonnet.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Sensible Solutions for your Business Established in 2004, in Toronto, Canada; providing Managed Infrastructure Services to clients all over the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Microage Kingstonmicroagekingston.ca HQ: Kingston, ON, CanadaReported employees: 11-50 | Kingston, ON, Canada | 11-50 | Exact match | 12 contacts → |
“We are a team of IT experts offering a complete and comprehensive portfolio of services and solutions for businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Coastal Core IT Solutionscoastalcore.ca HQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 5 contacts → |
“Coastal Core is a leading provider of IT managed services based in Vancouver, Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Clientserv Technologies INCclientserv.com HQ: Surrey, BC, CanadaReported employees: 11-50 | Surrey, BC, Canada | 11-50 | Exact match | 5 contacts → |
“ClientServ Technologies helps businesses untangle their IT, clearly, efficiently, and without the headaches.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Blackcreek Technologies Limitedblackcreektechnologies.com HQ: Kitchener, ON, CanadaReported employees: 11-50 | Kitchener, ON, Canada | 11-50 | Exact match | 4 contacts → |
“Blackcreek Technologies is a dynamic company dedicated to providing integrated business technology solutions and improvements to our valued customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bargetzi & Associatesbargetzi.ca HQ: Okotoks, AB, CanadaReported employees: 1-10 | Okotoks, AB, Canada | 1-10 | Exact match | 4 contacts → |
“Bargetzi & Associates is an information technology consulting company specializing in design, implementation and managed support of your business critical IT systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HTC Serviceshtcservices.ca HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 2 contacts → |
“Hibbs Technical Consulting Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tech Patrol INCtechpatrol.ca HQ: Sherwood Park, AB, CanadaReported employees: 1-10 | Sherwood Park, AB, Canada | 1-10 | Exact match | 2 contacts → |
“CELEBRATING 13 YEARS OF TECHNOLOGY SERVICES AND SOLUTIONS Tech Patrol Inc is an established IT company serving small and medium-sized business since 2005.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Net2web INCnet2web.ca HQ: Markham, CanadaReported employees: 1-10 | Markham, Canada | 1-10 | Exact match | 2 contacts → |
“Net2Web has been providing enterprise IT managed services and technology solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Itgs INCitgs.ca HQ: Montreal, QC, CanadaReported employees: 1-10 | Montreal, QC, Canada | 1-10 | Exact match | 2 contacts → |
“Ce que seule la grande entreprise pouvait s’offrir est maintenant accessible aux PME ITGS a été fondé en 2004 Elle offre aux PME un système de gestion de réseau que seul les…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cover-All Managed Cloud And IT Servicesmsp.cover-all.ca HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 1 contacts → |
“Cover-All Managed Cloud and IT Services is a Managed Services Provider (MSP) delivering cost effective solutions for Managed Cloud, Managed Mainframe, Managed IT, Cyber Security…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Orbyt Systems INCorbytsystems.com HQ: Burlington, ON, CanadaReported employees: 1-10 | Burlington, ON, Canada | 1-10 | Exact match | 1 contacts → |
“We are a managed information technology services company dedicated to providing consistent and reliable technology services and solutions to the SMB business sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 32 company matches
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Mainframe and legacy system professional and managed services providers: dataset insights
November 6, 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
32 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 worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 32 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for mainframe and legacy system professional and managed services providers?
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 mainframe and legacy system professional and managed services providers did RevenueBase find based in Canada?
The saved snapshot records 32 matching company records, 779 tracked contacts and 490 verified emails. The public preview displays 19 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 19 mainframe and legacy system professional and managed services providers based in Canada. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mainframe-and-legacy-system-professional-and-managed-services-providers/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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