| # | 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 |
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 |
| 3 | 7,373 | |
| 4 | 5,917 | |
| 5 | 2,228 | |
| 6 | 2,033 | |
| 7 |
CarGuruscargurus.com
Leading automotive marketplace with a focus on enhancing car shopping experience through technology, data analytics, and extensive car listings across multiple regions |
1,402 |
| 8 |
Constant Contactconstantcontact.com
Provide small businesses with digital marketing tools to drive sales, grow customers, engage audiences, and build strong connections. |
1,149 |
| 9 |
Sittercitysittercity.com
Revolutionizing the child care industry through innovative technology solutions to simplify finding, hiring, and managing trustworthy child care providers for parents and caregivers |
1,024 |
| 10 | 991 | |
| 11 |
DATAmundidatamundi.ai
A global language and technology service provider specializing in technology-enabled localization, managed services, and data solutions for content-rich companies worldwide |
544 |
| 12 |
Harvard Business Publishinghbr.org
A global leader in management education, Harvard Business Publishing empowers leaders with innovative ideas, impactful content, and transformative learning experiences |
520 |
| 13 | 483 | |
| 14 |
ScribeEMR, Inc.scribeemr.com
A solution for clinical documentation challenges, ScribeEMR provides real-time remote scribes to enter patient information into EMRs, improving accuracy and reducing data entry time |
446 |
| 15 |
MarTechmartech.org
An online platform and conference that connects marketers interested in using technology to enhance branding and drive business growth |
446 |
| 16 |
EverQuoteeverquote.com
A fast-growing technology company in Cambridge simplifying, personalizing, and making insurance more affordable through data, technology, and knowledgeable advisors |
432 |
| 17 | 424 | |
| 18 | 397 | |
| 19 | 327 | |
| 20 |
Sumaria Systems, LLCsumaria.com
A full-lifecycle engineering and technical services company with 40 years of experience supporting the Warfighter through modernization and innovative solutions worldwide |
317 |
| 21 |
Help Scouthelpscout.com
Support platform offering multi-channel customer service, knowledge base, reporting, and integrations to help businesses retain customers effectively. |
291 |
| 22 |
Jeaviojeavio.com
Specializing in purposeful digital transformation, we are a technology partner that excels in software design to develop solutions that meet goals effectively |
276 |
| 23 |
Bamboo Rosebamboorose.com
A retail product development and supply chain platform specializing in empowering collaboration, efficiency, and speed to market for global retailers and brands |
247 |
| 24 |
Ontadaontada.com
The company is focused on oncology data, research, and technology to enhance patient lives and revolutionize cancer treatment |
245 |
| 25 |
Starry, Inc.starry.com
This company offers lightning-fast internet service that is simple, innovative, and focused on making customers' internet experiences happier They are hiring diverse talent |
238 |
| 26 |
Anumanaanumana.ai
Utilizing AI and translational science, Anumana decodes electrical signals from the heart to enable earlier diagnoses and life-saving treatments in cardiac care |
183 |
| 27 |
Teikametricsteikametrics.com
Teikametrics helps Amazon and Walmartcom sellers grow with AI technology, data analysis, and marketplace expertise Optimizing advertising, inventory, and market intelligence |
180 |
| 28 |
Brafton Inc.brafton.com
Content marketing agency providing platform, strategy, and creation services Offers SEO, social media, design, development, and content creation globally since 2008 |
171 |
| 29 |
parcelLabparcellab.com
post-purchase software platform enhancing customer experience, reducing costs, increasing revenue, managing shipping data globally for over 1000 brands |
161 |
| 30 |
Vistaprint Corporatevistaprintcorporate.com
Global e-commerce leader providing custom print and promotional products to mid-market, commercial, and enterprise customers, with innovative ProShop platform and Large Custom Order services |
161 |
| 31 |
Vistaprint Corporate Solutionsvistaprintcorporate.com
Global e-commerce leader providing custom print and promotional products to mid-market, commercial, and enterprise customers Streamlining branding and budget control through ProShop |
156 |
| 32 |
Atomicworkatomicwork.com
Provides an agentic service management platform, unifying AI Coworkers, a Universal Agent, and an AI Automation Engine to simplify enterprise IT support and service operations. |
146 |
| 33 | 140 | |
| 34 |
JobGetjobget.com
JobGet is a fast-growing job app for service industry job seekers, using skill-based matching to connect them with high-intent employers |
128 |
| 35 |
Search Engine Landsearchengineland.com
A leading source for news and information on search engine marketing, optimization, and search engines like Google, Yahoo, and Bing |
119 |
| 36 | 116 | |
| 37 |
Medisafe庐medisafe.com
Medisafe empowers patients to manage their medication and healthcare journey through advanced technology, personalized guidance, and comprehensive support services |
100 |
| 38 |
GrowByDatagrowbydata.com
It provides marketing intelligence solutions to agencies and brands, enhancing visibility, search effectiveness, and competitive strategies in a dynamic marketplace. |
74 |
| 39 |
lowtouch.ailowtouch.ai
Cloud Control Solutions specializes in Cloud Migration, Modernization, and Management with a Kubernetes-first approach to deliver reliable, cost-optimized solutions |
65 |
| 40 |
Speetarspeetar.com
The company is dedicated to improving the well-being of vulnerable communities in emerging markets through digital solutions in health, education, advocacy, and leadership |
64 |
| 41 |
Yottaayottaa.com
This company helps leading brands accelerate, optimize, and monitor their eCommerce websites, resulting in improved site performance and increased online conversions |
48 |
| 42 |
CustomersAIcustomers.ai
It provides website visitor identification, B2C and B2B prospecting data, and AI-driven remarketing to enhance customer engagement and growth. |
38 |
| 43 | 23 | |
| 44 |
RevenueBaserevenuebase.ai
Provides continuously updated, reliable company and contact data designed for autonomous systems, supporting B2B sales and AI-driven platforms. |
15 |
| 45 | 14 | |
| 46 |
Waffle Labswaffle-labs.com
An insurtech startup disrupting traditional insurance by providing personalized, transparent, and affordable insurance solutions such as renters, pet, cyber, and term life insurance |
13 |
| 47 |
Bumpinbumpin.com
Location data company specializing in ad delivery and analytics for Google, Facebook, and Twitter, using accurate location data for enhanced consumer experiences |
12 |
| 48 | 6 | |
| 49 |
Pompeii Labspompeiilabs.com
A team of fullstack engineers specializing in developing AI-native products, helping clients achieve product-AI fit and build successful ventures |
3 |
| 50 |
Quantum Sol LLC.qsolholdings.com
Global technology holdings company based in Boston Specializing in funding and growing technology-focused organizations in various areas including IT, AI, and digital marketing |
2 |
| 51 | 1 |
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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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- Technology, Information and Internet companies in the United States 1,343
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