| # | Company | Employees |
|---|---|---|
| 1 | 20,860 | |
| 2 |
ZoomInfozoominfo.com
Provides go-to-market platform, accurate data, insights, and technology for businesses to find, acquire, and grow customers efficiently, aligning sales and marketing. |
4,211 |
| 3 |
Smartsheetsmartsheet.com
Enterprise work management platform enabling organizations to move faster, drive innovation, and achieve more through process automation and collaboration tools |
4,015 |
| 4 |
Centificcentific.com
Engineering platforms and curating multilingual data for enterprise clients while providing pre-trained datasets, fine-tuned LLMs, and RAG pipelines for faster AI deployment. |
3,352 |
| 5 |
MAQ Softwaremaqsoftware.com
A leading provider of business intelligence and analytics solutions, specializing in Microsoft Power BI, with a focus on accelerating productivity and fostering customer relationships |
2,145 |
| 6 |
UserTestingusertesting.com
Platform providing fast, scalable human insights through tests, interviews, and surveys to optimize products and customer experiences. |
1,862 |
| 7 |
Tableautableau.com
Provides software tools enabling users to visualize, analyze, and interpret data for better decision-making and actionable insights. |
1,788 |
| 8 |
Lighthouselighthouseglobal.com
This company simplifies ediscovery and governance with intuitive technology solutions and services, guiding clients with expertise and proactive support globally |
1,730 |
| 9 |
Outreachoutreach.ai
It provides a comprehensive sales execution platform that enhances efficiency in prospecting, deal management, and forecasting for revenue teams. |
1,579 |
| 10 |
PitchBookpitchbook.com
PitchBook provides comprehensive data, research, and insights for the global capital markets through their innovative suite of products and databases |
1,550 |
| 11 |
Apptio, an IBM Companyapptio.com
Provides AI-powered software for technology spend and value management, helping leaders make financial decisions through TBM and FinOps insights for global customers. |
1,292 |
| 12 |
Highspothighspot.com
It provides a platform for sales teams to enhance performance through content, training, coaching, and analytics for better customer engagement. |
1,039 |
| 13 |
Institute for Health Metrics and Evaluationhealthdata.org
An independent global health research center providing rigorous measurement of health problems and evaluating strategies to improve population health |
904 |
| 14 |
Braiin Ltdbraiin.com
Market leading agricultural and analytics services company offering IoT, wireless connectivity, robotics, software, and AI/ML solutions to enhance farming productivity |
881 |
| 15 | 770 | |
| 16 |
ExtraHopextrahop.com
Turns network data into actionable insights, providing visibility and analyzing behavior to intercept evasive risks for security, performance, and resilience. |
762 |
| 17 |
Edifecsedifecs.com
Healthcare technology company focused on improving outcomes, reducing costs, and accelerating innovation through information exchange solutions for over 350 customers worldwide |
759 |
| 18 |
Pactera EDGElinkedin.com
The company combines data, intelligence, and experiences to provide innovative solutions for intricate business problems with a focus on people |
745 |
| 19 |
Payscalepayscale.com
The industry leader in compensation data and technology, providing organizations with multiple streams of fresh salary data and modeling engines for efficient compensation management |
736 |
| 20 |
fabricfabric.inc
Headless commerce platform enabling rapid launch for brands like GNC and The Honest Company, boosting digital revenue up to 3x |
557 |
| 21 | 555 | |
| 22 | 498 | |
| 23 |
CloudMoyocloudmoyo.com
AI-first digital engineering and managed services company, maximizing platform, cloud, and AI investments for sustained outcomes through AI infusion into core business operations. |
449 |
| 24 |
Truvetatruveta.com
Collects regulatory-grade EHR data, including genomics, from US health systems for scientifically rigorous research, accelerating new therapies and improving patient care. |
443 |
| 25 |
Blueprint Consulting Servicesbpcs.com
Technology solutions firm specializing in digital transformation, creating cutting-edge products and services, implementing automation and intelligence, and delivering innovative software solutions for clients |
425 |
| 26 |
ParallelDotsparalleldots.com
A leading image recognition solution provider for FMCG companies and retailers, helping optimize in-store execution and maximize sales with superior technology |
415 |
| 27 |
SagaciousElevatesagaciousresearch.com
A global IP research firm offering patent, trademark, and licensing services with a diverse team serving clients worldwide |
384 |
| 28 | 366 | |
| 29 |
SDF Labsgetdbt.com
The company offers a simplified SQL development tool with local execution, intelligent workflows, and data governance in a compact 60MB Rust-based package Contact for a demo |
320 |
| 30 |
Factspanfactspan.com
Data and AI company offering data engineering and science solutions to global enterprises, specializing in identifying patterns, trends, and delivering business outcomes |
316 |
| 31 |
Amperityamperity.com
Amperity helps brands create unified first-party customer data foundations using AI and machine learning, driving business value and personalized customer experiences |
300 |
| 32 |
Seeq Corporationseeq.com
The company develops software and services for industrial process analytics on high volume, velocity, and variety industrial process data streams |
300 |
| 33 |
Milliman MedInsightmedinsight.milliman.com
Provider of advanced analytics and insights for healthcare organizations, offering customizable intelligence to optimize operations, enhance care delivery, and drive better outcomes |
288 |
| 34 | 279 | |
| 35 |
Stacklinestackline.com
A full-funnel connected commerce platform using neural networks to provide market insights, revenue metrics, and autonomous functionality for global brands |
264 |
| 36 |
DataWeavedataweave.com
It provides digital commerce analytics solutions for consumer brands and retailers, focusing on revenue optimization, brand protection, and pricing intelligence. |
232 |
| 37 |
Rythmosrythmos.com
The company specializes in providing loyalty, marketing, and data-driven solutions for organizations, with a focus on agile transformation and customer experience |
186 |
| 38 |
Marchexmarchex.com
AI-powered conversational intelligence solutions optimizing customer experiences and driving revenue through prescriptive analytics across various B2B2C vertical markets |
184 |
| 39 |
Common Roomcommonroom.io
Customer Intelligence Platform that captures and unifies buying signals across over 50 channels, providing AI-driven insights to enhance go-to-market strategies |
182 |
| 40 |
Clean Power Researchcleanpower.com
Specializing in cloud software services for utilities and the solar industry, we provide accurate data and intelligence to facilitate the energy transformation |
130 |
| 41 | 118 | |
| 42 |
DiscoverOrgdiscoverorg.com
Accelerate growth with accurate company and contact data, tools for success, and innovative B2B insights for high-growth organizations worldwide |
116 |
| 43 |
Statsigstatsig.com
Statsig is a product experimentation platform that helps businesses make data-driven decisions, automate experiments, and manage feature rollouts effectively |
49 |
| 44 |
Glympsecorp.glympse.com
A leading geo-location tracking platform offering solutions for predictive visibility, location intelligence, customer notifications, and communications for both enterprise and small businesses |
21 |
| 45 |
HyperAspecthyperaspect.com
Software development and consultancy company specializing in service and product engineering, offering solutions for digital challenges and transforming business processes with intelligence |
9 |
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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 2, 2026.
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The same list elsewhere in United States
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