| # | Company | Employees |
|---|---|---|
| 1 |
State Streetstatestreet.com
Global financial leader providing comprehensive investment services, institutional asset management, multi-asset trading, and digital solutions to enhance portfolio performance and decision making. |
46,913 |
| 2 |
HubSpothubspot.com
It provides a comprehensive CRM platform with marketing, sales, and service tools, fostering employee growth and a flexible workplace culture. |
12,229 |
| 3 |
Akamai Technologiesakamai.com
A global leader in internet infrastructure, Akamai powers and protects online experiences for billions of users daily through innovative solutions |
10,647 |
| 4 |
Dynatracedynatrace.com
This company specializes in providing a platform that unifies observability, business, and security data with AI-driven analytics and automation to optimize cloud operations and ensure flawless digital experiences |
6,090 |
| 5 |
Veolia | North Americaveolianorthamerica.com
Provides resource management solutions including water decontamination, toxic waste handling, fossil fuel alternatives, wastewater reuse, and battery recycling for cities and industries. |
5,812 |
| 6 |
Harte Hankshartehanks.com
A global customer experience company specializing in personalized marketing, customer care services, and fulfillment solutions to create enduring connections |
4,267 |
| 7 |
Quantiphiquantiphi.com
An AI-first digital engineering company that solves complex business problems with industry experience, cloud, data engineering, and cutting-edge AI research |
4,105 |
| 8 |
Aspen Technologyaspentech.com
Global software leader enabling industries to meet demand sustainably by optimizing asset design, operation, and maintenance lifecycle for improved operational excellence |
4,065 |
| 9 |
Klaviyoklaviyo.com
Unified customer platform empowering brands with ownership of consumer data to automate personalized email/SMS communications, foster customer relationships, and drive growth |
2,902 |
| 10 |
NETSCOUTnetscout.com
This company provides a Visibility Without Borders platform to help essential organizations manage complex networks, unlock insights, anticipate problems, and stay unstoppable |
2,708 |
| 11 |
EBSCO Information Servicesicims.com
Provides optimized research solutions including e-journals, e-books, databases, and discovery services to enhance users' research experience worldwide. |
2,611 |
| 12 |
Semrushsemrush.com
A leading online visibility management platform offering a suite of marketing tools to help companies improve their online presence and results |
2,357 |
| 13 |
Trinity Life Sciencestrinitylifesciences.com
Trusted strategic partner offering evidence-based solutions for life sciences Specializing in benchmarking solutions, data-driven insights, and exceptional service for over 25 years |
1,701 |
| 14 | 1,625 | |
| 15 |
IDG (International Data Group)idc.com
Foundry harnesses fully-consented data from global editorial brands to power media, demand generation, and martech solutions with a focus on diversity and inclusion |
1,317 |
| 16 |
Charles River Developmentcrd.com
Cloud-based platform automating investment processes, risk analytics, trading, compliance, and data management for asset managers and private market investors globally. |
1,284 |
| 17 |
Recorded Futurerecordedfuture.com
Provides real-time threat intelligence from open, dark web, and technical sources, enabling clients to reduce risk and secure business operations. |
1,151 |
| 18 |
DemandSciencedemandscience.com
Provides global buyer intelligence and predictive insights to align sales and marketing with qualified audiences for B2B companies. |
967 |
| 19 | 933 | |
| 20 |
DataRobotdatarobot.com
Value-driven AI company accelerating AI impact with innovative AI lifecycle platform for organizations to build, operate, and govern AI landscapes confidently |
881 |
| 21 |
MIBmibgroup.com
Trusted partner for insurance industry data, insights, and digital solutions improving underwriting, actuarial decision making, and industry efficiencies Visit wwwmibgroupcom |
846 |
| 22 |
ConcertAIconcertai.com
Innovative AI-powered SaaS data company specializing in healthcare, experiencing rapid growth as a leader in the industry |
840 |
| 23 |
Anaquaanaqua.com
Provider of integrated IP management technology solutions, combining workflows, big data analytics, and tech-enabled services to inform IP strategy, streamline operations for top companies worldwide |
781 |
| 24 |
Definitive Healthcaredefinitivehc.com
Provider of healthcare commercial intelligence solutions through data, analytics, and expertise, empowering clients to navigate the healthcare market and drive commercial success |
741 |
| 25 |
BNY Mellon | Eagle Investment Systemsbnymellon.com
Specializing in data and analytics solutions, we leverage technology to deliver client-centric solutions for financial institutions |
737 |
| 26 |
Bitsightbitsight.com
Provides precise insights from extensive cybersecurity data, enabling organizations to identify vulnerabilities, detect threats, and manage risks across their attack surface. |
736 |
| 27 |
Dotmaticsdotmatics.com
Global leader in R&D scientific software connecting science, data, and decision-making with end-to-end solutions for research in biology, chemistry, and more Trusted by millions worldwide |
639 |
| 28 |
Coralogixcoralogix.com
A modern observability platform specializing in monitoring logs, metrics, trace, and security events, with a focus on operational efficiency and cost reduction |
589 |
| 29 |
Salsifysalsify.com
Salsify's Product Experience Management platform helps brand manufacturers, distributors, and retailers succeed in digital commerce through PIM, Syndication, and Automation |
583 |
| 30 |
Sensitechsensitech.com
Supply chain visibility solutions providing tracking, monitoring, and protection for temperature-sensitive products across food, life sciences, consumer goods, and industrial global markets. |
555 |
| 31 |
Arcadiaarcadia.io
Transforming healthcare through data insights and actions Providing data platform, analytics tools, and services to improve patient outcomes and optimize operations |
542 |
| 32 | 500 | |
| 33 |
Acadian Asset Managementacadian-asset.com
Global investment manager applying fundamental insights and systematic approach to find attractive opportunities across various strategies, using data-driven techniques for decision-making |
456 |
| 34 |
Ataccamaataccama.com
An international software company specializing in data quality, master data management, data governance, and big data solutions for various industries |
454 |
| 35 |
Profitero+profitero.com
Global commerce acceleration company providing intelligence-driven solutions for brands to optimize product availability, discoverability, and maximize conversions across 1200+ retailers in 70+ countries |
434 |
| 36 |
Showpadshowpad.com
It provides an AI-powered enablement operating system that integrates marketing and revenue teams to enhance sales training and content management. |
428 |
| 37 | 359 | |
| 38 | 312 | |
| 39 |
Zone & Cozoneandco.com
Platform enhancing ERP capabilities for billing, revenue recognition, AP automation, and FP&A reporting, empowering finance teams globally. |
302 |
| 40 |
Empyrean Solutionsempyreansolutions.com
A company providing fast and accurate financial risk management solutions for banks and credit unions with a focus on efficiency and cost reduction |
173 |
| 41 |
AtScaleatscale.com
This company enables faster, data-driven decision-making with a semantic layer platform that simplifies and accelerates business intelligence and data science capabilities for enterprise customers |
151 |
| 42 | 140 | |
| 43 |
Implicityimplicity.com
Provides a universal cardiac remote monitoring and research platform to hospitals and clinics, enhancing remote care for cardiac patients. |
125 |
| 44 |
Medisafe庐medisafe.com
Medisafe empowers patients to manage their medication and healthcare journey through advanced technology, personalized guidance, and comprehensive support services |
100 |
| 45 |
b2wiseb2wise.com
Provides cloud-based Supply Chain Planning solutions using Demand Driven MRP and AI to optimize inventory, lead times, and planner efficiency for various industries. |
91 |
| 46 | 84 | |
| 47 |
Centaur.aicentaur.ai
Data labeling solution for healthcare AI with 50k+ labelers, gamified app for quality control, scalable methodology for high-quality labels in 24 hours |
79 |
| 48 |
Toucantoucantoco.com
Toucan is a customer-facing analytics platform that enables companies to engage through data storytelling, with a user-friendly, no-code approach |
75 |
| 49 |
EAIGLEeaigle.com
An AI platform for supply chain and retail industries, offering solutions for automated vehicle access control, yard monitoring, and warehouse pallet tracking |
42 |
| 50 |
CustomersAIcustomers.ai
It provides website visitor identification, B2C and B2B prospecting data, and AI-driven remarketing to enhance customer engagement and growth. |
38 |
| 51 |
RevenueBaserevenuebase.ai
Provides continuously updated, reliable company and contact data designed for autonomous systems, supporting B2B sales and AI-driven platforms. |
15 |
| 52 |
Virtua Researchvirtuaresearch.com
A financial services technology company providing industry-leading financial research tools and services through cloud-based solutions, improving workflows for investors and analysts worldwide |
10 |
| 53 |
Collateral Velocity, Inc.collateralvelocity.com
This company utilizes a tokenized entitlements platform and trusted data to enhance asset value and liquidity, improving financing access for various asset owners |
2 |
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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 Oct 24, 2026.
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