# The 41 largest Information Services companies in New York State

Tamtam tracks 41 Information Services companies headquartered in New York State. This list ranks all of them by number of employees on LinkedIn, led by GLG, Guidepoint and New York. Their median headcount is 206. Half of them were founded in 2006 or later. The most common headquarters are New York (34) and Rochester (2).

These Information Services companies in New York State include a mix of large groups and mid-sized firms, with a strong presence of companies specializing in expert networks and market intelligence. Many firms focus on providing data, insights, and connections to aid decision-making across various industries.

Notable companies include GLG, which connects decision-makers with experts, Guidepoint, a research enablement platform, and Norstella, assisting pharmaceutical clients. Altrata offers data and intelligence on influential individuals, while Fashion Snoops provides trend foresight for consumer industries. A significant cluster of these companies, including the largest by employee count, are headquartered in New York City.

🇺🇸 New York State · 41 companies · Updated Nov 15, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [GLG](https://www.tamtam.ai/c/glg) (glg.com)<br>Connecting decision makers with experts for true clarity and insights to make informed decisions and stay ahead in their profession Visit website for more details | Information Services | 🇺🇸 New York | 12,228 | 1998 |
| 2 | [Guidepoint](https://www.tamtam.ai/c/guidepoint) (guidepoint.com)<br>A research enablement platform utilizing technology and expertise to deliver on-demand intelligence and research, empowering clients' decision-making process | Information Services | 🇺🇸 New York | 4,642 | 2003 |
| 3 | [New York](https://www.tamtam.ai/c/new-york)<br>The company operates in the New York metropolitan area, contributing to its significant economic growth and development through various industries | Information Services | 🇺🇸 New York | 2,781 |  |
| 4 | [Kodak Alaris](https://www.tamtam.ai/c/kodak-alaris) (kodakalaris.com)<br>Provider of intelligent document processing solutions, scanners, software, and services simplifying business processes with innovative image science technology. | Information Services | 🇺🇸 Rochester | 1,463 | 2013 |
| 5 | [Norstella](https://www.tamtam.ai/c/norstella) (norstella.com)<br>A group of pharmaceutical solutions providers assisting clients through the drug development life cycle, from pipeline to patient | Information Services | 🇺🇸 New York | 1,427 |  |
| 6 | [Penton](https://www.tamtam.ai/c/penton) (informa.com)<br>A US-based information services company acquired by the Informa Group, offering news on various brands but no longer updating this platform | Information Services | 🇺🇸 New York | 1,393 |  |
| 7 | [Altrata](https://www.tamtam.ai/c/altrata) (altrata.com)<br>Global partner providing data and intelligence on impactful people for client success Offers unique solutions with millions of profiles for deeper insights and connections | Information Services | 🇺🇸 New York | 1,070 |  |
| 8 | [SNL Financial](https://www.tamtam.ai/c/snl-financial) (spglobal.com)<br>Integrated financial and industry data, research, and news to provide tools for investment decision-making, performance tracking, and risk assessment | Information Services | 🇺🇸 New York | 863 |  |
| 9 | [Capvision](https://www.tamtam.ai/c/capvision) (capvision.com)<br>Global expert knowledge services provider, founded by former consultants and investment bankers Partners with clients to provide expert consultations, surveys, and customized research solutions | Information Services | 🇺🇸 New York | 751 | 2006 |
| 10 | [Coleman Research](https://www.tamtam.ai/c/coleman-research) (colemanrg.com)<br>Global insights provider connecting leading organizations with specialized industry experts for informed decision-making, now part of VisasQ network with 400,000 senior experts worldwide | Information Services | 🇺🇸 New York | 747 | 2003 |
| 11 | [Fashion Snoops](https://www.tamtam.ai/c/fashion-snoops) (futuresnoops.com)<br>Provides trend foresight and strategic advisory using expert insights and AI tools across fashion, beauty, home, and consumer industries. | Information Services | 🇺🇸 New York | 623 | 2001 |
| 12 | [MAERSK](https://www.tamtam.ai/c/maersk) (bp.com)<br>The company provides innovative solutions for a variety of industries, offering cutting-edge products and services to meet client needs | Information Services | 🇺🇸 Newyork | 597 |  |
| 13 | [Skift](https://www.tamtam.ai/c/skift) (skift.com)<br>Global travel industry's daily news source providing insights on trends & transformations through news, research, events, interviews, and sector-focused newsletters | Information Services | 🇺🇸 New York | 559 | 2012 |
| 14 | [IDR](https://www.tamtam.ai/c/idr) (idr.co)<br>Global expert network connecting clients with over 500,000 vetted experts for timely, custom recruitment, stakeholder access, and achieving key business objectives with flexible solutions | Information Services | 🇺🇸 New York | 542 | 2020 |
| 15 | [Wolters Kluwer Legal & Regulatory US](https://www.tamtam.ai/c/wolters-kluwer-legal-and-regulatory-us) (wolterskluwer.com)<br>Leader in professional information solutions for legal, corporate compliance, and retirement professionals, offering expert domain knowledge combined with specialized technology and services | Information Services | 🇺🇸 New York | 483 |  |
| 16 | [Questex](https://www.tamtam.ai/c/questex) (questex.com)<br>Questex specializes in creating events and providing information related to the experience economy, connecting people in markets that enhance life through innovative technologies | Information Services | 🇺🇸 New York | 474 | 2005 |
| 17 | [Citeline](https://www.tamtam.ai/c/citeline) (citeline.com)<br>Provides clinical trial intelligence, data, and insights to accelerate drug development and improve outcomes for life sciences and pharmaceutical industries globally. | Information Services | 🇺🇸 New York | 459 |  |
| 18 | [Centellic](https://www.tamtam.ai/c/centellic) (centellic.com)<br>Transforms critical decisions on strategy, growth, and risk through indispensable data, intelligence, and analysis platforms after merger of ALM and LBR. | Information Services | 🇺🇸 New York | 325 |  |
| 19 | [Myers-Holum](https://www.tamtam.ai/c/myers-holum) (myersholum.com)<br>Specializes in NetSuite ERP, Stripe integration, data management, and business intelligence with global delivery and multi-lingual support. | Information Services | 🇺🇸 New York | 290 | 1981 |
| 20 | [The Deal by S&P Global](https://www.tamtam.ai/c/the-deal-by-s-and-p-global) (thedeal.com)<br>The company provides coverage and analysis on corporate transactions, including M&A, PE, Restructuring, and Activism to help businesses grow | Information Services | 🇺🇸 New York | 269 | 2000 |
| 21 | [Verisk Financial](https://www.tamtam.ai/c/verisk-financial) (verisk.com)<br>Verisk Financial leverages vast financial data and industry expertise to help clients anticipate trends, mitigate risks, and stay ahead of the competition through innovative solutions | Information Services | 🇺🇸 White Plains | 206 | 1997 |
| 22 | [Energy Intelligence](https://www.tamtam.ai/c/energy-intelligence) (energyintel.com)<br>A leading energy information company offering expert news, analysis, research, data, and advisory services to navigate the changing world of energy | Information Services | 🇺🇸 New York | 188 | 1951 |
| 23 | [451 Research](https://www.tamtam.ai/c/451-research) (451research.com)<br>Delivers data-driven insights and expert research at the intersection of AI, digital infrastructure, and energy, helping leaders navigate technology innovation, disruption, and market forces. | Information Services | 🇺🇸 New York | 178 | 2000 |
| 24 | [Thieme International](https://www.tamtam.ai/c/thieme-international) (thieme.com)<br>Provider of medical and chemistry information, software, and services internationally, with products for medical education, pharmaceutical industry, and chronic disease management | Information Services | 🇺🇸 New York | 176 | 1886 |
| 25 | [Arizent](https://www.tamtam.ai/c/arizent) (arizent.com)<br>A business information and marketing services provider connecting and empowering leaders in financial and professional services through analysis, research, data, and networking opportunities | Information Services | 🇺🇸 New York | 165 |  |
| 26 | [ArroHealth](https://www.tamtam.ai/c/arrohealth) (cioxhealth.com)<br>A leading provider of risk adjustment solutions with a focus on performance, transparency, and advanced technology for maximizing clinical and financial results | Information Services | 🇺🇸 Hauppauge | 164 | 1991 |
| 27 | [Consumer Edge](https://www.tamtam.ai/c/consumer-edge) (consumeredge.com)<br>A consumer alternative data firm providing insights to investors, corporates, and data partners by utilizing data, research, technology, and partnerships | Information Services | 🇺🇸 New York | 155 | 2009 |
| 28 | [Seeking Job](https://www.tamtam.ai/c/seeking-job) (jobinter.me)<br>Connecting organizations with skilled professionals in roles such as Virtual Assistants, Web Developers, and Content Writers through third-party recruitment services | Information Services | 🇺🇸 West Hurley | 148 | 2021 |
| 29 | [JobDiva](https://www.tamtam.ai/c/jobdiva) (jobdiva.com)<br>Global leader in AI-powered Talent Acquisition and Management, offering SaaS solutions to staffing and recruiting industry Features include CRM, job board synchronization, BI analytics, and resume database | Information Services | 🇺🇸 New York | 141 |  |
| 30 | [FoundersCard](https://www.tamtam.ai/c/founderscard) (founderscard.com)<br>A community of over 100,000 successful entrepreneurs and influencers providing exclusive benefits like elite travel status and member-only pricing | Information Services | 🇺🇸 New York | 99 | 2009 |
| 31 | [RocketReach](https://www.tamtam.ai/c/rocketreach) (rocketreach.co)<br>It provides lead intelligence and sales solutions through a vast contact database, serving users globally, including major companies and recruiters. | Information Services | 🇺🇸 Brooklyn | 95 | 2016 |
| 32 | [EDM Association](https://www.tamtam.ai/c/edm-association) (edmcouncil.org)<br>The company is a non-profit trade association that advances data management and analytics through standards, best practices, and industry guidelines | Information Services | 🇺🇸 New York | 89 | 2005 |
| 33 | [S3 Partners](https://www.tamtam.ai/c/s3-partners) (s3partners.com)<br>Global company providing advanced financial data analytics and workflow technology to improve accuracy and speed of public financial indicators. | Information Services | 🇺🇸 New York | 71 | 2003 |
| 34 | [Member](https://www.tamtam.ai/c/member) (member.com)<br>The company can be visited on wwwmembercom for more information regarding their products or services | Information Services | 🇺🇸 New York | 52 |  |
| 35 | [Advan Research Corporation](https://www.tamtam.ai/c/advan-research-corporation) (advanresearch.com)<br>Institutional-quality geolocation data provider for businesses and investors, offering accurate data, analytics, and market insights to make informed decisions | Information Services | 🇺🇸 New York | 26 | 2015 |
| 36 | [Paragon Intel](https://www.tamtam.ai/c/paragon-intel) (paragonintel.com)<br>ManagementTrack provides investors with insights on executives' capabilities to predict company performance and identify management-driven market opportunities through deep human investigation | Information Services | 🇺🇸 New York | 20 | 2017 |
| 37 | [Charm.io](https://www.tamtam.ai/c/charm-io) (charm.io)<br>It provides comprehensive datasets on ecommerce brands, enabling users to track performance metrics for direct-to-consumer brands and TikTok Shop. | Information Services | 🇺🇸 New York | 18 | 2020 |
| 38 | [Local Business Directory and companies listing](https://www.tamtam.ai/c/local-business-directory-and-companies-listing) (ouzl.com)<br>A leading local business directory platform in Kenya, providing free listings to help small businesses rank well in search engines and grow | Information Services | 🇺🇸 New York | 13 | 2014 |
| 39 | [Data Ethics LLC](https://www.tamtam.ai/c/data-ethics-llc) (dataethics.gay)<br>Data Ethics LLC helps organizations maximize data use for continuous improvement through services such as Information Privacy Management, Data Governance, and Custom Analytics | Information Services | 🇺🇸 Rochester | 2 | 2016 |
| 40 | [BeeHopr](https://www.tamtam.ai/c/beehopr) (beehopr.com)<br>BeeHopr offers a dynamic web-based business networking platform with CRM tools to help professionals connect and grow their networks efficiently | Information Services | 🇺🇸 New York | 2 | 2018 |
| 41 | [Menger Analytics](https://www.tamtam.ai/c/menger-analytics) (mengereducation.com)<br>A company founded by a former Lead Data Scientist specializing in using analytics to improve business operations and drive actionable results | Information Services | 🇺🇸 New York | 1 | 2018 |

## 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 15, 2026.

## More company lists in New York State

- [The largest companies in New York State](https://www.tamtam.ai/l/largest-companies-new-york-state) (12,425)
- [Multinational companies in New York State](https://www.tamtam.ai/l/multinational-companies-new-york-state) (2,211)
- [Financial services firms in New York State](https://www.tamtam.ai/l/financial-services-firms-new-york-state) (1,273)
- [Financial Services companies in New York State](https://www.tamtam.ai/l/financial-services-companies-new-york-state) (1,077)
- [SaaS companies in New York State](https://www.tamtam.ai/l/saas-companies-new-york-state) (1,060)
- [Professional services firms in New York State](https://www.tamtam.ai/l/professional-services-firms-new-york-state) (955)
- [Real Estate companies in New York State](https://www.tamtam.ai/l/real-estate-companies-new-york-state) (789)
- [Venture capital and private equity firms in New York State](https://www.tamtam.ai/l/vc-and-private-equity-firms-new-york-state) (757)
- [Software Development companies in New York State](https://www.tamtam.ai/l/software-development-companies-new-york-state) (695)
- [Education providers in New York State](https://www.tamtam.ai/l/education-companies-new-york-state) (655)
- [AI companies in New York State](https://www.tamtam.ai/l/ai-companies-new-york-state) (584)
- [IT Services and IT Consulting companies in New York State](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-new-york-state) (570)
- [Retail chains in New York State](https://www.tamtam.ai/l/retail-chains-new-york-state) (557)
- [Healthcare providers in New York State](https://www.tamtam.ai/l/healthcare-providers-new-york-state) (494)
- [Companies with a mobile app in New York State](https://www.tamtam.ai/l/companies-with-mobile-app-new-york-state) (491)
- [Subscription businesses in New York State](https://www.tamtam.ai/l/subscription-businesses-new-york-state) (485)
- [Consulting firms in New York State](https://www.tamtam.ai/l/consulting-firms-new-york-state) (474)
- [Advertising Services companies in New York State](https://www.tamtam.ai/l/advertising-services-companies-new-york-state) (473)
- [IT services companies in New York State](https://www.tamtam.ai/l/it-services-companies-new-york-state) (468)
- [Investment Management companies in New York State](https://www.tamtam.ai/l/investment-management-companies-new-york-state) (457)
- [Marketing and communications agencies in New York State](https://www.tamtam.ai/l/marketing-agencies-new-york-state) (449)
- [Companies with in-house R&D in New York State](https://www.tamtam.ai/l/r-and-d-companies-new-york-state) (417)
- [Hospitals and Health Care companies in New York State](https://www.tamtam.ai/l/hospitals-and-health-care-companies-new-york-state) (408)
- [Manufacturers in New York State](https://www.tamtam.ai/l/manufacturers-new-york-state) (398)

## The same list elsewhere in United States

- [Information Services companies in the United States](https://www.tamtam.ai/l/information-services-companies-united-states) (169)
- [Information Services companies in New York](https://www.tamtam.ai/l/information-services-companies-new-york) (34)

## The same list elsewhere

- [Information Services companies in the world](https://www.tamtam.ai/l/information-services-companies-in-the-world) (753)
- [Information Services companies in North America](https://www.tamtam.ai/l/information-services-companies-in-north-america) (190)

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Source: https://www.tamtam.ai/l/information-services-companies-new-york-state