These managed service providers in New York State are mostly IT services and software development firms, with a presence of financial services and media companies. The list includes large corporations like IBM, a technology and consulting giant, and Kyndryl, which manages advanced technology infrastructure. Mid-sized firms such as MongoDB, a developer data platform, and Presidio, focused on digital transformation and cloud computing, are also featured. The state's own NYS Office of Information Technology Services is also present.
A clear pattern is the concentration of headquarters in New York City, hosting a significant number of these companies. Many of the listed firms, like Astronomer (founded 2018) and CoreWeave (founded 2017), are relatively young companies established in the last decade, indicating a recent growth in the tech and managed services sector within the state.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 335,625 | ||||
| 2 |
Kyndrylkyndryl.com
A global leader in designing, running, and managing advanced technology infrastructure, focusing on excellence, innovation, and advancing vital systems for human progress |
90,000 | |||
| 3 |
MongoDBmongodb.com
A developer data platform empowering innovation through software and data solutions for modern applications, with a global customer base Visit mongodbcom |
8,013 | |||
| 4 |
Astronomerastronomer.io
Unified data orchestration platform powered by Apache Airflow helping enterprises build reliable data products, unlock insights, and power diverse data-driven applications. |
4,578 | |||
| 5 |
Presidiopresidio.com
A technology and innovation-driven company with expertise in automation, security, networking, digital transformation, and cloud computing, providing custom applications and managed services globally |
4,355 | |||
| 6 |
NYS Office of Information Technology Servicesits.ny.gov
Transforming government services in New York State, focusing on innovation, efficiency, and competitiveness through technology and a culture of creativity |
2,611 | |||
| 7 |
Galaxygalaxy.com
Technology-driven financial services firm providing full suite of solutions in digital assets ecosystem through trading, asset management, investments, banking, and mining Headquarters in New York City |
2,510 | |||
| 8 |
CoreWeavecoreweave.com
Specialized cloud provider offering high-performance GPU compute resources for VFX, rendering, AI, and batch processing at faster speeds and lower costs than large public clouds |
2,372 | |||
| 9 |
Grafana Labsgrafana.com
Flexible managed observability platform for monitoring disparate data, resolving incidents quickly, and optimizing telemetry across systems for millions of global open source users. |
1,861 | |||
| 10 |
SUTHERLAND GLOBAL COLLECTION SERVICES LLCsutherlandglobal.com
A financial services company in New York creating brand experiences through human-centered design, real-time analytics, AI, and automation |
1,474 | |||
| 11 |
IPC Systemsipc.com
Providing SaaS communications platforms and ultra-low latency electronic trading connectivity with expertise in regulations, market structures, and asset classes worldwide. |
1,434 | |||
| 12 | 1,327 | ||||
| 13 |
Miratechmiratechgroup.com
Provides IT services and consulting, supporting digital transformation for large enterprises, combining global and start-up innovation with relentless performance. |
1,250 | |||
| 14 |
Netsmartznetsmartz.com
AI-first digital engineering company helping organizations innovate, modernize, and scale through intelligent technology solutions, software engineering, AI, cloud, data, cybersecurity, and enterprise services. |
1,017 | |||
| 15 |
Innovative Solutionsinnovativesol.com
Cloud consulting and migration services provider for small to midsize businesses in the US and Canada, specializing in AWS with a customer-centric approach |
788 | |||
| 16 | 784 | ||||
| 17 |
Lightpathlightpathfiber.com
Lightpath provides advanced fiber-optic network solutions with top-notch customer service, empowering organizations with reliable, secure, and high-performance connectivity to digital destinations |
744 | |||
| 18 |
MetTelmettel.net
Global communications provider offering tailored connectivity solutions for voice, data, mobility, and IoT with a focus on digital transformation and customer experience |
735 | |||
| 19 |
Cockroach Labscockroachlabs.com
Creator of CockroachDB, a distributed SQL database designed for demanding enterprise applications in the cloud native environment |
729 | |||
| 20 |
PCIpciconnected.com
The company provides expert IT capabilities and services, specializing in IT infrastructure management to help businesses focus on their core competency |
656 | |||
| 21 |
Abacusabacustechnology.com
Global IT and cybersecurity managed services provider specializing in integrated technology and security solutions for financial services firms. |
649 | |||
| 22 |
CCScustomonline.com
Providing reliable technology solutions including cybersecurity, managed services, cloud, software, and network management for diverse US organizations. |
615 | |||
| 23 | 603 | ||||
| 24 |
KDDI America, Inc.us.kddi.com
A US subsidiary of a Fortune Global 500 company offering high-quality communications, data centers, and solution services worldwide with a strong reputation |
591 | |||
| 25 |
Amazon Web Services (AWS)amazon.com
An American multinational technology company based in Seattle, focusing on e-commerce, cloud computing, digital streaming, and artificial intelligence |
591 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 | 572 | ||||
| 27 |
Apptixfusionconnect.com
Provider of managed IT services including workstation and network support, virtualization, disaster recovery, and migration services for mid-size and enterprise customers |
516 | |||
| 28 |
Ava Labsavalabs.org
Innovative company founded by Cornell computer scientists and Wall Street veterans, redefining the way people build and use open, permissionless networks in Web3 |
507 | |||
| 29 |
IPsoftipsoft.com
Industry-leading Decision AI company offering innovative solutions for data-driven decisions, operational optimization, and customer experiences through transparent, collaborative human-machine AI solutions |
505 | |||
| 30 |
Netsuritnetsurit.com
Providing "IT without Fuss" since 1998, Netsurit supports the dreams of employees and clients, delivering top-notch managed IT services internationally |
481 | |||
| 31 |
ICS Completetechmd.com
IT services firm providing enterprise-level productivity, scalability, and cybersecurity readiness to small to medium size companies nationwide with a focus on clarity and transparency |
477 | |||
| 32 |
ATSG (MTM Technologies)xtium.com
ATSG provides Transformational Technology as a service with offerings in Digital Infrastructure, Digital Workplace, Collaboration, and Customer Experience Stay updated on latest IT trends |
408 | |||
| 33 |
SVAM International Inc.svam.com
The company specializes in digital transformation through innovative thinking, business intelligence, mobile and custom app development, IT solutions, and various consulting services |
406 | |||
| 34 |
Atlantictomorrowsoffice.com
Office Technology and IT Solutions provider offering managed services, remote workforce solutions, workflow automation, IT support, and imaging to corporations in the NYC and Philadelphia areas |
406 | |||
| 35 |
TechMDintegrisit.com
Award-winning IT solutions provider specializing in cloud solutions, cybersecurity services, IT consulting, and managed IT services for small and medium businesses Visit techmdcom |
394 | |||
| 36 |
Myriad360myriad360.com
A global systems integrator providing expertise in cloud services, AI solutions, cybersecurity, hardware procurement, and data center modernization to drive innovation |
373 | |||
| 37 |
CDI LLCcdillc.com
A dynamic IT company disrupting the competition, offering transformative solutions globally in Security, Application Modernization, Hybrid Cloud, and more #WhyCDI |
358 | |||
| 38 |
Mindexmindex.com
Industry leader in software development based in Rochester, NY, specializing in enterprise applications and K-12 student management systems with a focus on innovation and customer collaboration |
346 | |||
| 39 |
Sourcepasssourcepass.com
Revolutionary IT services company leveraging SaaS, AI, and RPA to provide premier managed services for businesses, empowering digital transformation and productivity |
333 | |||
| 40 |
Atlas Technicaatlastechnica.com
A Managed Service Provider specializing in IT Support and CyberSecurity services for the Alternative Investment industry, delivering innovative solutions and outstanding client-centered service |
303 | |||
| 41 |
VSS, A Converge Companypellera.com
IT solutions and services provider leveraging people, process, and technology to transform businesses, offering sustainable technologies, IT expertise, and project execution for clients |
270 | |||
| 42 |
Fluidstackfluidstack.com
This company provides instant deployment and on-demand scaling of NVIDIA A100s or H100s for AI development, including training and inference loads |
260 | |||
| 43 | 260 | ||||
| 44 |
LDI Connectmyldi.com
A technology company offering digital office solutions including print, document management, IT services, cloud services, AV solutions, and security solutions |
257 | |||
| 45 |
CTS - IT & Cybersecurity Servicescharterts.com
CTS delivers IT Projects, Managed IT, cybersecurity, IT physical security, IT procurement, managed services, connectivity, and Erate expertise for schools and libraries |
226 | |||
| 46 |
Lloyd Grouplloydgroup.com
A tech-savvy MSP focusing on IT management, digital transformation, and business solutions through strategic planning and innovative technologies since 1995 |
218 | |||
| 47 |
Cintra: The Multi-Cloud Database Architectscintra.com
Modernize enterprise databases across multi-cloud environments with migration, managed services, and cost-optimized database technology strategies for innovation. |
209 | |||
| 48 |
Kraft & Kennedy, Inc.kraftkennedy.com
Kraft Kennedy is a consulting firm with expertise in IT infrastructure, cybersecurity, project management, advisory services, and procurement for various industries |
200 | |||
| 49 | 198 | ||||
| 50 | 193 | ||||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in New York State
- The largest companies in New York State 12,432
- Multinational companies in New York State 2,216
- Financial services firms in New York State 1,272
- Financial Services companies in New York State 1,076
- SaaS companies in New York State 1,060
- Professional services firms in New York State 955
- Real Estate companies in New York State 789
- Venture capital and private equity firms in New York State 757
- Software Development companies in New York State 696
- Education providers in New York State 656
- AI companies in New York State 585
- IT Services and IT Consulting companies in New York State 570
- Retail chains in New York State 559
- Healthcare providers in New York State 494
- Companies with a mobile app in New York State 491
- Subscription businesses in New York State 485
- Consulting firms in New York State 474
- Advertising Services companies in New York State 473
- IT services companies in New York State 468
- Investment Management companies in New York State 457
- Marketing and communications agencies in New York State 449
- Companies with in-house R&D in New York State 419
- Hospitals and Health Care companies in New York State 408
- Venture Capital and Private Equity Principals companies in New York State 398
The same list elsewhere in United States
- Managed service providers in the United States 889
- Managed service providers in California 152
- Managed service providers in Texas 83
- Managed service providers in Florida 71
- Managed service providers in Georgia 42
- Managed service providers in New Jersey 36
- Managed service providers in Illinois 35
- Managed service providers in Virginia 35
- Managed service providers in Washington State 35
- Managed service providers in Colorado 31
- Managed service providers in Massachusetts 26
- Managed service providers in Pennsylvania 26
- Managed service providers in New York 54
- Managed service providers in San Francisco 25