Company lists · Data refreshed November 2026
Top 25 Application maintenance outsourcers worldwide
RevenueBase identified 3,126 company matches for application maintenance outsourcers worldwide as of November 2026 and tracks 32,322 professional contacts across them, including 7,506 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for application maintenance outsourcers worldwide, 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. Country and city lists for application maintenance outsourcers follow the table.
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 application maintenance outsourcers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 889 contacts → | ||||
Exact match “Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 691 contacts → | ||||
Exact match “DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 653 contacts → | ||||
Exact match “For over 25 years, Aress Software has been the silent engine behind IT operations that never stop.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 503 contacts → | ||||
Exact match “Eastvantage is a global managed services and outsourcing partner helping businesses grow with confidence through reliable, scalable, and technology-enabled delivery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 476 contacts → | ||||
Exact match “Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 404 contacts → | ||||
Exact match “Tech Domain is a global field services and technology solutions provider helping enterprises, managed service providers, telecommunications companies, and technology partners…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 399 contacts → | ||||
Exact match “Essintial Enterprise Solutions is a full-service IT operations partner helping multi-unit businesses scale, support, and simplify their technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 312 contacts → | ||||
Exact match “ABOUT US Systemantech Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 282 contacts → | ||||
Exact match “Spinnaker Support delivers independent third-party support and expert services for Oracle, SAP, VMware, and PostgreSQL environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 268 contacts → | ||||
Exact match “Ela permite que você cresça a empresa para além de manutenção e suporte, incluindo Service Desk, infraestrutura, redes, cabeamento, projetos, consultoria e soluções corporativas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 268 contacts → | ||||
Exact match “Prumatech is a global solutions provider specializing in Plant Maintenance, Materials Management, and related Information Technology, with proven delivery capabilities in India…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 253 contacts → | ||||
Exact match “Solid Systems Global is a worldwide provider of multi-vendor enterprise equipment services that cover the complete lifecycle of install base technology support.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 234 contacts → | ||||
Exact match “Vista is the UK market leader in delivering IT technology deployment and support services in retail, hospitality, healthcare and entertainment sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 217 contacts → | ||||
Exact match “Ιδρυθήκαμε το 1988 και εστιάζουμε κυρίως στην προσεγμένη, άμεση και ποιοτική εξυπηρέτηση των πελατών μας.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 209 contacts → | ||||
Exact match “Tech Americas is a global technology process outsourcing company, managed IT and 24/7 field service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 206 contacts → | ||||
Exact match “We are a leading global outsourcing services company with highly skilled professionals working for our clients and partners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 200 contacts → | ||||
Exact match “AJEL is a premier provider of full range of information technology services for the agile business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 192 contacts → | ||||
Exact match “Blue Planet Solutions, Inc.(BPSI), a leading IT services company was founded in 1997 with a mission to add value to business through Information Technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 166 contacts → | ||||
Exact match “A BELLCOMSYS é uma empresa especializada em Tecnologia de Informação e suporte corporativo com 15 anos de experiência.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 149 contacts → | ||||
Exact match “OK er öflugt tölvufyrirtæki sem sérhæfir sig í þjónustu og rekstri tölvukerfa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 141 contacts → | ||||
Exact match “Founded in 2007, we are independent, knowledgeable and reliable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 140 contacts → | ||||
Exact match “We are the experts in proactive management of complex IT environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 130 contacts → | ||||
Exact match “Rx Technology is San Antonio’s premier family-owned technology partner, specializing in end-to-end IT lifecycle management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 129 contacts → | ||||
Exact match “Founded in 2002, Splice is a National and Global provider of IT Services to SMB and Enterprise clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 129 contacts → | ||||
Exact match “Simply put, ProActive Business Solutions takes on all the technology tasks your organization doesn’t have the time or resources to handle on its own.” 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 “application maintenance outsourcers”. 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 3,126 application maintenance outsourcers worldwide
See the full list, filter by size, metro and specialty, and access 7,506 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Application maintenance outsourcers worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for application maintenance outsourcers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “application maintenance outsourcers” 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. 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 7,506 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.
Application maintenance outsourcers by location
15 lists · largest firstEvery Application maintenance outsourcers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Application maintenance outsourcers based in the United States591
- Application maintenance outsourcers based in India223
- Application maintenance outsourcers based in Brazil219
- Application maintenance outsourcers based in the United Kingdom216
- Application maintenance outsourcers based in France127
- Application maintenance outsourcers based in Spain113
- Application maintenance outsourcers based in Canada95
- Application maintenance outsourcers based in Australia84
- Application maintenance outsourcers based in Germany83
- Application maintenance outsourcers based in South Africa64
- Application maintenance outsourcers based in Italy54
- Application maintenance outsourcers based in Poland36
- Application maintenance outsourcers based in the Netherlands36
Cities
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 “application maintenance outsourcers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many application maintenance outsourcers are there worldwide?
RevenueBase identified 3,126 company matches for application maintenance outsourcers worldwide 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?
Tanisha Systems, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most application maintenance outsourcers?
The United States leads with 591 companies, followed by India (223) and Brazil (219). Every application maintenance outsourcers list by country and city is linked on this page.
Which city has the most application maintenance outsourcers?
London leads with 53 company records, followed by Sao Paulo (50) and Hyderabad (22).
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 7,506 professional contacts with verified work emails tracked across these 3,126 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 3,126 application maintenance outsourcers worldwide. 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.
More company lists
Company intelligence · public preview
Top 25 application maintenance outsourcers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,126 matching company records for application maintenance outsourcers worldwide, with 32,322 tracked contacts and 7,506 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: 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 25 application maintenance outsourcers worldwide
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 |  Tanisha Systems, INCtanishasystems.comHQ: Boston, NY, United StatesReported employees: 1,001-5,000 | Boston, NY, United States | 1,001-5,000 | Exact match | 889 contacts → |
“Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Decisiononedecisionone.comHQ: Havertown, PA, United StatesReported employees: 501-1,000 | Havertown, PA, United States | 501-1,000 | Exact match | 691 contacts → |
“DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Aress Softwarearess.comHQ: Nasik, IndiaReported employees: 501-1,000 | Nasik, India | 501-1,000 | Exact match | 653 contacts → |
“For over 25 years, Aress Software has been the silent engine behind IT operations that never stop.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eastvantageeastvantage.comHQ: Sofia, BulgariaReported employees: 1,001-5,000 | Sofia, Bulgaria | 1,001-5,000 | Exact match | 503 contacts → |
“Eastvantage is a global managed services and outsourcing partner helping businesses grow with confidence through reliable, scalable, and technology-enabled delivery.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Velan Info Servicesvelaninfo.comHQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 476 contacts → |
“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Tech Domaintechdomain.com.auHQ: Sydney, AustraliaReported employees: 501-1,000 | Sydney, Australia | 501-1,000 | Exact match | 404 contacts → |
“Tech Domain is a global field services and technology solutions provider helping enterprises, managed service providers, telecommunications companies, and technology partners…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Essintial Enterprise Solutionsessintial.comHQ: Camp Hill, PA, United StatesReported employees: 501-1,000 | Camp Hill, PA, United States | 501-1,000 | Exact match | 399 contacts → |
“Essintial Enterprise Solutions is a full-service IT operations partner helping multi-unit businesses scale, support, and simplify their technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Systemantech INCsystemantech.comHQ: Quezon City, PhilippinesReported employees: 201-500 | Quezon City, Philippines | 201-500 | Exact match | 312 contacts → |
“ABOUT US Systemantech Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Spinnaker Supportspinnakersupport.comHQ: Greenwood Village, United StatesReported employees: 201-500 | Greenwood Village, United States | 201-500 | Exact match | 282 contacts → |
“Spinnaker Support delivers independent third-party support and expert services for Oracle, SAP, VMware, and PostgreSQL environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Arantes TIclubepaineiras.com.brHQ: Sao Paulo, United StatesReported employees: Not recorded | Sao Paulo, United States | Not recorded | Exact match | 268 contacts → |
“Ela permite que você cresça a empresa para além de manutenção e suporte, incluindo Service Desk, infraestrutura, redes, cabeamento, projetos, consultoria e soluções corporativas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Prumatechprumatech.comHQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 268 contacts → |
“Prumatech is a global solutions provider specializing in Plant Maintenance, Materials Management, and related Information Technology, with proven delivery capabilities in India…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Solid Systems Globalsolid-global.comHQ: Derby, United KingdomReported employees: 201-500 | Derby, United Kingdom | 201-500 | Exact match | 253 contacts → |
“Solid Systems Global is a worldwide provider of multi-vendor enterprise equipment services that cover the complete lifecycle of install base technology support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Vista Technology Supportvistasupport.comHQ: Pentwyn, United KingdomReported employees: 201-500 | Pentwyn, United Kingdom | 201-500 | Exact match | 234 contacts → |
“Vista is the UK market leader in delivering IT technology deployment and support services in retail, hospitality, healthcare and entertainment sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Supervisor SAsupervisor.grHQ: Galatsi, GreeceReported employees: Not recorded | Galatsi, Greece | Not recorded | Exact match | 217 contacts → |
“Ιδρυθήκαμε το 1988 και εστιάζουμε κυρίως στην προσεγμένη, άμεση και ποιοτική εξυπηρέτηση των πελατών μας.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Tech Americas Usa, INCtech-americas.comHQ: Chappell Hill, ON, United StatesReported employees: 201-500 | Chappell Hill, ON, United States | 201-500 | Exact match | 209 contacts → |
“Tech Americas is a global technology process outsourcing company, managed IT and 24/7 field service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Moksh Techmokshtech.netHQ: Lake Hiawatha, NJ, United StatesReported employees: 201-500 | Lake Hiawatha, NJ, United States | 201-500 | Exact match | 206 contacts → |
“We are a leading global outsourcing services company with highly skilled professionals working for our clients and partners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AJELajel.comHQ: Princeton, NJ, United StatesReported employees: 201-500 | Princeton, NJ, United States | 201-500 | Exact match | 200 contacts → |
“AJEL is a premier provider of full range of information technology services for the agile business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Blue Planet Infosolutions Pvt. Ltd., Indiablueplanetsolutions.comHQ: East, IndiaReported employees: 51-200 | East, India | 51-200 | Exact match | 192 contacts → |
“Blue Planet Solutions, Inc.(BPSI), a leading IT services company was founded in 1997 with a mission to add value to business through Information Technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Beltisbeltis.com.brHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 166 contacts → |
“A BELLCOMSYS é uma empresa especializada em Tecnologia de Informação e suporte corporativo com 15 anos de experiência.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  OKok.isHQ: Reykjavík, IcelandReported employees: 51-200 | Reykjavík, Iceland | 51-200 | Exact match | 149 contacts → |
“OK er öflugt tölvufyrirtæki sem sérhæfir sig í þjónustu og rekstri tölvukerfa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Orchestrathisisorchestra.comHQ: Woolwich, United KingdomReported employees: Not recorded | Woolwich, United Kingdom | Not recorded | Exact match | 141 contacts → |
“Founded in 2007, we are independent, knowledgeable and reliable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  SPS IT Groupsps.nlHQ: Reeuwijk, NetherlandsReported employees: 51-200 | Reeuwijk, Netherlands | 51-200 | Exact match | 140 contacts → |
“We are the experts in proactive management of complex IT environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  RX Technologyrx-tech.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 130 contacts → |
“Rx Technology is San Antonio’s premier family-owned technology partner, specializing in end-to-end IT lifecycle management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Splicesplicens.comHQ: Palo Alto, UT, United StatesReported employees: 51-200 | Palo Alto, UT, United States | 51-200 | Exact match | 129 contacts → |
“Founded in 2002, Splice is a National and Global provider of IT Services to SMB and Enterprise clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Proactive Business Solutions, INCproactiveok.comHQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 129 contacts → |
“Simply put, ProActive Business Solutions takes on all the technology tasks your organization doesn’t have the time or resources to handle on its own.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,126 company matches
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Application maintenance outsourcers: 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
3,100 records in the displayed employee bands.
26 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 country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,126 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 ↗
Application maintenance outsourcers by location
15 lists · largest firstEvery Application maintenance outsourcers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Application maintenance outsourcers based in the United States591
- Application maintenance outsourcers based in India223
- Application maintenance outsourcers based in Brazil219
- Application maintenance outsourcers based in the United Kingdom216
- Application maintenance outsourcers based in France127
- Application maintenance outsourcers based in Spain113
- Application maintenance outsourcers based in Canada95
- Application maintenance outsourcers based in Australia84
- Application maintenance outsourcers based in Germany83
- Application maintenance outsourcers based in South Africa64
- Application maintenance outsourcers based in Italy54
- Application maintenance outsourcers based in Poland36
- Application maintenance outsourcers based in the Netherlands36
Cities
Questions about this company list
What does Exact match mean for application maintenance outsourcers?
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 application maintenance outsourcers did RevenueBase find worldwide?
The saved snapshot records 3,126 matching company records, 32,322 tracked contacts and 7,506 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: 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 25 application maintenance outsourcers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/application-maintenance-outsourcers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 application maintenance outsourcers worldwide
RevenueBase records 3,126 matching company records for application maintenance outsourcers worldwide, with 32,322 tracked contacts and 7,506 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: 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 25 application maintenance outsourcers worldwide
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 | Tanisha Systems, INCtanishasystems.com HQ: Boston, NY, United StatesReported employees: 1,001-5,000 | Boston, NY, United States | 1,001-5,000 | Exact match | 889 contacts → |
“Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Decisiononedecisionone.com HQ: Havertown, PA, United StatesReported employees: 501-1,000 | Havertown, PA, United States | 501-1,000 | Exact match | 691 contacts → |
“DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Aress Softwarearess.com HQ: Nasik, IndiaReported employees: 501-1,000 | Nasik, India | 501-1,000 | Exact match | 653 contacts → |
“For over 25 years, Aress Software has been the silent engine behind IT operations that never stop.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eastvantageeastvantage.com HQ: Sofia, BulgariaReported employees: 1,001-5,000 | Sofia, Bulgaria | 1,001-5,000 | Exact match | 503 contacts → |
“Eastvantage is a global managed services and outsourcing partner helping businesses grow with confidence through reliable, scalable, and technology-enabled delivery.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Velan Info Servicesvelaninfo.com HQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 476 contacts → |
“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tech Domaintechdomain.com.au HQ: Sydney, AustraliaReported employees: 501-1,000 | Sydney, Australia | 501-1,000 | Exact match | 404 contacts → |
“Tech Domain is a global field services and technology solutions provider helping enterprises, managed service providers, telecommunications companies, and technology partners…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Essintial Enterprise Solutionsessintial.com HQ: Camp Hill, PA, United StatesReported employees: 501-1,000 | Camp Hill, PA, United States | 501-1,000 | Exact match | 399 contacts → |
“Essintial Enterprise Solutions is a full-service IT operations partner helping multi-unit businesses scale, support, and simplify their technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Systemantech INCsystemantech.com HQ: Quezon City, PhilippinesReported employees: 201-500 | Quezon City, Philippines | 201-500 | Exact match | 312 contacts → |
“ABOUT US Systemantech Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Spinnaker Supportspinnakersupport.com HQ: Greenwood Village, United StatesReported employees: 201-500 | Greenwood Village, United States | 201-500 | Exact match | 282 contacts → |
“Spinnaker Support delivers independent third-party support and expert services for Oracle, SAP, VMware, and PostgreSQL environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Arantes TIclubepaineiras.com.br HQ: Sao Paulo, United StatesReported employees: Not recorded | Sao Paulo, United States | Not recorded | Exact match | 268 contacts → |
“Ela permite que você cresça a empresa para além de manutenção e suporte, incluindo Service Desk, infraestrutura, redes, cabeamento, projetos, consultoria e soluções corporativas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Prumatechprumatech.com HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 268 contacts → |
“Prumatech is a global solutions provider specializing in Plant Maintenance, Materials Management, and related Information Technology, with proven delivery capabilities in India…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Solid Systems Globalsolid-global.com HQ: Derby, United KingdomReported employees: 201-500 | Derby, United Kingdom | 201-500 | Exact match | 253 contacts → |
“Solid Systems Global is a worldwide provider of multi-vendor enterprise equipment services that cover the complete lifecycle of install base technology support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vista Technology Supportvistasupport.com HQ: Pentwyn, United KingdomReported employees: 201-500 | Pentwyn, United Kingdom | 201-500 | Exact match | 234 contacts → |
“Vista is the UK market leader in delivering IT technology deployment and support services in retail, hospitality, healthcare and entertainment sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Supervisor SAsupervisor.gr HQ: Galatsi, GreeceReported employees: Not recorded | Galatsi, Greece | Not recorded | Exact match | 217 contacts → |
“Ιδρυθήκαμε το 1988 και εστιάζουμε κυρίως στην προσεγμένη, άμεση και ποιοτική εξυπηρέτηση των πελατών μας.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tech Americas Usa, INCtech-americas.com HQ: Chappell Hill, ON, United StatesReported employees: 201-500 | Chappell Hill, ON, United States | 201-500 | Exact match | 209 contacts → |
“Tech Americas is a global technology process outsourcing company, managed IT and 24/7 field service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Moksh Techmokshtech.net HQ: Lake Hiawatha, NJ, United StatesReported employees: 201-500 | Lake Hiawatha, NJ, United States | 201-500 | Exact match | 206 contacts → |
“We are a leading global outsourcing services company with highly skilled professionals working for our clients and partners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AJELajel.com HQ: Princeton, NJ, United StatesReported employees: 201-500 | Princeton, NJ, United States | 201-500 | Exact match | 200 contacts → |
“AJEL is a premier provider of full range of information technology services for the agile business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Blue Planet Infosolutions Pvt. Ltd., Indiablueplanetsolutions.com HQ: East, IndiaReported employees: 51-200 | East, India | 51-200 | Exact match | 192 contacts → |
“Blue Planet Solutions, Inc.(BPSI), a leading IT services company was founded in 1997 with a mission to add value to business through Information Technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Beltisbeltis.com.br HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 166 contacts → |
“A BELLCOMSYS é uma empresa especializada em Tecnologia de Informação e suporte corporativo com 15 anos de experiência.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | OKok.is HQ: Reykjavík, IcelandReported employees: 51-200 | Reykjavík, Iceland | 51-200 | Exact match | 149 contacts → |
“OK er öflugt tölvufyrirtæki sem sérhæfir sig í þjónustu og rekstri tölvukerfa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Orchestrathisisorchestra.com HQ: Woolwich, United KingdomReported employees: Not recorded | Woolwich, United Kingdom | Not recorded | Exact match | 141 contacts → |
“Founded in 2007, we are independent, knowledgeable and reliable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | SPS IT Groupsps.nl HQ: Reeuwijk, NetherlandsReported employees: 51-200 | Reeuwijk, Netherlands | 51-200 | Exact match | 140 contacts → |
“We are the experts in proactive management of complex IT environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | RX Technologyrx-tech.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 130 contacts → |
“Rx Technology is San Antonio’s premier family-owned technology partner, specializing in end-to-end IT lifecycle management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Splicesplicens.com HQ: Palo Alto, UT, United StatesReported employees: 51-200 | Palo Alto, UT, United States | 51-200 | Exact match | 129 contacts → |
“Founded in 2002, Splice is a National and Global provider of IT Services to SMB and Enterprise clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Proactive Business Solutions, INCproactiveok.com HQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 129 contacts → |
“Simply put, ProActive Business Solutions takes on all the technology tasks your organization doesn’t have the time or resources to handle on its own.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Application maintenance outsourcers: 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
3,100 records in the displayed employee bands.
26 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 country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,126 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 ↗
Application maintenance outsourcers by location
15 lists · largest firstEvery Application maintenance outsourcers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Application maintenance outsourcers based in the United States591
- Application maintenance outsourcers based in India223
- Application maintenance outsourcers based in Brazil219
- Application maintenance outsourcers based in the United Kingdom216
- Application maintenance outsourcers based in France127
- Application maintenance outsourcers based in Spain113
- Application maintenance outsourcers based in Canada95
- Application maintenance outsourcers based in Australia84
- Application maintenance outsourcers based in Germany83
- Application maintenance outsourcers based in South Africa64
- Application maintenance outsourcers based in Italy54
- Application maintenance outsourcers based in Poland36
- Application maintenance outsourcers based in the Netherlands36
Cities
Questions about this company list
What does Exact match mean for application maintenance outsourcers?
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 application maintenance outsourcers did RevenueBase find worldwide?
The saved snapshot records 3,126 matching company records, 32,322 tracked contacts and 7,506 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: 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
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Cite this list
RevenueBase Data Team. Top 25 application maintenance outsourcers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/application-maintenance-outsourcers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗