| # | Company | Employees |
|---|---|---|
| 1 |
Preplypreply.com
The company connects learners with online tutors worldwide, offering live language classes with AI tools and learning materials for progress and engagement |
18,061 |
| 2 |
Toastpos.toasttab.com
Toast empowers restaurants with cloud-based software and hardware to streamline operations, drive revenue, and enhance guest experience through POS, marketing, and HR solutions |
7,762 |
| 3 |
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 |
| 4 |
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 |
| 5 |
OutSystemsoutsystems.com
Provides an AI development platform for enterprises to rapidly build custom applications and AI agents while modernizing legacy core business systems. |
2,228 |
| 6 |
Devoted Healthdevoted.com
Dedicated to improving health and well-being for seniors through personalized care, advanced technology, and partnerships with top healthcare providers |
2,197 |
| 7 | 1,557 | |
| 8 | 1,274 | |
| 9 |
Creatiocreatio.com
Provides an AI-native, no-code platform for CRM and workflow automation, enhancing customer and employee experiences and boosting team efficiency. |
1,158 |
| 10 |
Commonwealth Fusion Systemscfs.energy
A company specializing in commercial fusion energy, developing compact power plants using HTS magnet technology to combat climate change |
1,089 |
| 11 |
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 |
| 12 |
Gradiantgradiant.com
Provides advanced water and wastewater treatment solutions for critical industries, reducing water usage, reclaiming resources, and renewing wastewater into freshwater. |
859 |
| 13 |
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 |
| 14 |
Salsifysalsify.com
Salsify's Product Experience Management platform helps brand manufacturers, distributors, and retailers succeed in digital commerce through PIM, Syndication, and Automation |
583 |
| 15 | 510 | |
| 16 |
Malta Incmaltainc.com
The company has developed a thermal energy storage system that can collect, store, and dispatch energy from various sources for extended periods |
509 |
| 17 | 500 | |
| 18 |
Cambridge Mobile Telematicscmtelematics.com
AI-driven platform identifying and reducing driving risks, partnering with insurers and automakers to prevent crashes and enhance road safety worldwide. |
477 |
| 19 |
BlueRock Therapeuticsbluerocktx.com
A leading engineered cell therapy company developing regenerative medicines for neurology, cardiology, and immunology indications through innovative cell+gene platform |
474 |
| 20 |
Aqua Securityaquasec.com
Pioneer in securing containerized cloud native applications from development to production, preventing and mitigating attacks in real time, integrating security from code to cloud. |
471 |
| 21 |
Penterapentera.io
AI-powered Automated Security Validation for enterprise teams. Emulates real-world attacks across on-prem, cloud, and external environments to reveal exploitable vulnerabilities. |
469 |
| 22 |
Showpadshowpad.com
It provides an AI-powered enablement operating system that integrates marketing and revenue teams to enhance sales training and content management. |
428 |
| 23 |
Abacus Insightsabacusinsights.com
Abacus leverages healthcare data to improve patient care by breaking down silos and providing powerful insights through innovative technologies |
409 |
| 24 |
AVAeatwithava.com
An intelligent eating platform reshaping food and nutrition habits with top talent in nutrition science, technology, and behavioral coaching Currently in private beta |
359 |
| 25 | 359 | |
| 26 |
LightForcelf.co
pioneers generative braces, creating individualized 3D-printed brackets for patients, uniting digital planning, advanced manufacturing, and algorithmic bonding for orthodontics. |
349 |
| 27 |
XtalPi Inc.en.xtalpi.com
A quantum physics-based, AI-powered drug R&D company revolutionizing drug discovery with integrated technology platform and support from renowned investors |
349 |
| 28 |
Generate:Biomedicinesgeneratebiomedicines.com
Innovating in generative biology to develop innovative therapeutics that drive breakthroughs in the field |
335 |
| 29 |
Boston Metalbostonmetal.com
Revolutionizing steel production with carbon-free technology that is more efficient, cost-effective, and eco-friendly, using Molten Oxide Electrolysis (MOE) |
316 |
| 30 | 312 | |
| 31 | 266 | |
| 32 |
Tomorrow.iotomorrow.io
Weather intelligence and climate adaptation platform using space technology and AI to help organizations predict impact, mitigate risk, and ensure operational resilience |
228 |
| 33 |
Allegoallego.com
It provides a comprehensive platform for sales, enablement, and marketing teams to enhance buyer engagement and accelerate sales cycles. |
208 |
| 34 |
Intersections Inc.aura.com
A leading provider of digital threat protection services, offering identity risk management and privacy protection through innovative software and data monitoring solutions |
196 |
| 35 |
Immutaimmuta.com
This company enables organizations to securely access and protect their cloud data through sensitive data discovery, security controls, and data activity monitoring |
195 |
| 36 |
Parabilis Medicinesparabilismed.com
FogPharma is developing HeliconTM peptides, a new drug modality that combines monoclonal antibodies with small molecules for broad, efficient drug targeting |
195 |
| 37 |
GreenLight Biosciencesgreenlightbiosciences.com
Develop and commercialize environmentally friendly, easy-to-use crop protection solutions leveraging natural methods to support sustainable farming practices. |
182 |
| 38 |
FundGuardfundguard.com
Transforming investment operations with a cloud-native, AI-powered platform to reduce fees, offer new products, support sustainable investing, and grow assets efficiently |
159 |
| 39 |
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 |
| 40 |
Implicityimplicity.com
Provides a universal cardiac remote monitoring and research platform to hospitals and clinics, enhancing remote care for cardiac patients. |
125 |
| 41 |
Maven AGImavenagi.com
AI-powered platform transforming customer support experience through generative technology |
114 |
| 42 | 112 | |
| 43 |
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 |
| 44 |
Cometeercometeer.com
Revolutionizing the global coffee market with specialty coffee capsules delivered frozen, no machine required Outstanding quality, rave reviews, and innovative technology driving growth |
68 |
| 45 |
GENOSKINgenoskin.com
Genoskin generates first-in-human clinical data using live human skin models to help de-risk drug development for researchers and companies |
59 |
| 46 |
Gutenberg Technologygutenberg-technology.com
This company helps businesses organize and share their knowledge through web and mobile apps for better collaboration and faster execution |
55 |
| 47 |
Tessianproofpoint.com
A leading cloud email security platform using machine learning to protect organizations against advanced threats and data loss, while coaching on security awareness |
41 |
| 48 |
Beaconcurebeaconcure.com
The company provides technology to validate clinical trial data, detect inconsistencies, and accelerate the regulatory approval process for pharmaceutical companies and CROs |
34 |
| 49 |
ARInsightsarinsights.com
A market-leading SaaS platform for managing analyst relations, providing comprehensive databases, interaction management solutions, and complementary products for improving AR efficiency |
29 |
| 50 |
99Degrees99degreescustom.com
A leading US activewear manufacturer specializing in tech-integrated apparel, providing fast production to reduce inventory issues and promote sustainability |
16 |
| 51 | 15 | |
| 52 |
Accion Systemsaccion-systems.com
The company specializes in reinventing propulsion for New Space by creating a more efficient ion thruster called the Tiled Ionic Liquid Electrospray engine |
14 |
| 53 |
Diadem Capitalapp.diademcapital.com
This company revolutionizes fundraising by providing founders with a platform to connect with institutional investors and secure venture backing for real growth potential |
7 |
| 54 |
Perceptive Automataperceptiveautomata.com
A team of experts founded in 2016 to develop AI technology enabling autonomous vehicles to understand human behavior for safer driving experiences |
1 |
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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 2, 2026.
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