| # | Company | Employees |
|---|---|---|
| 1 |
GP Strategies Corporationgpstrategies.com
Provides consulting, learning services, and technology solutions to help organizations improve workforce performance and achieve business transformation through people. |
4,090 |
| 2 |
Tenabletenable.com
Exposes and closes cybersecurity gaps, unifies security visibility, insight, and action across the attack surface for organizations globally. |
2,361 |
| 3 |
Aledade, Inc.aledade.com
Support independent primary care practices with data analytics, care solutions, and value-based contracts to improve patient health and financial success. |
1,910 |
| 4 |
Advarraadvarra.com
Advarra enhances clinical research by providing IRB and IBC review solutions, innovative technologies, and industry connections to optimize trial participant safety and research performance |
1,839 |
| 5 |
Flywheelflywheeldigital.com
Leading cloud-based digital commerce platform enabling real-time performance measurement and sales improvement for global consumer product companies and fast-growing brands worldwide |
1,693 |
| 6 |
Hughes Systique Corporation (HSC)hsc.com
A multinational provider of digital solutions and services, specializing in software development, with expertise in Networking, AI & ML, Retail, Automotive, IoT, Blockchain, and Security |
1,547 |
| 7 |
Emmes Grouptheemmesgroup.com
A company dedicated to advancing public health and biopharmaceutical innovation by combining human intelligence with artificial intelligence in clinical research |
1,411 |
| 8 | 1,296 | |
| 9 |
Emmestheemmesgroup.com
A global Contract Research Organization (CRO) with expertise in clinical research across various therapeutic areas, supporting public health and biopharmaceutical innovation |
1,188 |
| 10 | 1,147 | |
| 11 |
U.S. Army DEVCOM Army Research Laboratoryarl.devcom.army.mil
Official page Content shared does not imply endorsement Stay updated on company news and announcements here |
1,134 |
| 12 |
Navitas Life Sciencesnavitaslifesciences.com
Global clinical research organization providing technology-driven CRO services, data science, regulatory support, and industry-focused consulting to biopharmaceutical clients worldwide |
1,014 |
| 13 |
ZeroFoxzerofox.com
Discover, validate, and disrupt external cyber threats using a unified platform combining threat intelligence, brand protection, and attack surface insights. |
862 |
| 14 |
Blendblend360.com
A premier AI services provider combining data science, technology, and human expertise to co-create impactful solutions for clients Unlocking value through innovation |
823 |
| 15 |
OPIS, A Dow Jones Companyopis.com
Provider of accurate price discovery, news, and expert analysis for the fuel supply chain, offering transparent price data and comprehensive pricing solutions |
797 |
| 16 |
Voyatekvoyatek.com
Provides tailored technology solutions for public sector agencies and higher education, focusing on tax, health, justice, and safety improvements. |
775 |
| 17 |
Collage Groupcollagegroup.com
Cultural intelligence company supporting US brands in leveraging culture to drive growth by providing consumer insights, data, tools, and best practices |
684 |
| 18 |
CriticalRiver Inc.criticalriver.com
Provides comprehensive technology consulting, implementation, and managed services, leveraging digital transformation, cloud, and intelligent automation solutions for various industries to enhance operational efficiencies. |
668 |
| 19 |
e-con Systemse-consystems.com
Designing, developing, and manufacturing custom and off-the-shelf OEM camera solutions for various industries, including medical and automotive, with extensive support. |
648 |
| 20 |
Ad Astra, Inc.ad-astrainc.com
Global communication solutions and language services provider leveraging human expertise and technology to bridge linguistic divides for diverse industries |
646 |
| 21 |
Forterraforterra.com
A pioneering provider of autonomous systems for ground-based movement, specializing in protecting soldiers and enabling civilian workers in critical conditions for the US Department of Defense |
603 |
| 22 | 587 | |
| 23 |
TISTA Science and Technology Corporationtistatech.com
IT and professional services provider for Federal, State, and commercial clients, specializing in cyber security, software development, engineering support, and IT operations |
581 |
| 24 |
Sonatypesonatype.com
Provides intelligence and products helping organizations manage open source components, accelerating innovation, mitigating security vulnerabilities, and licensing risks. |
552 |
| 25 |
Ceva, Inc.ceva-ip.com
Powers smart edge with AI-driven products, providing silicon and software IP for devices to connect, sense, and infer, enabling intelligent, real-time decision-making. |
542 |
| 26 |
Get Wellgetwellnetwork.com
Specializing in digital patient engagement, they aim to improve healthcare outcomes by providing personalized technology solutions for hospitals and health systems |
416 |
| 27 | 402 | |
| 28 |
Qlarantqlarant.com
A leading organization specializing in quality improvement, fraud prevention, data analytics, and program oversight for healthcare, human services, government, and insurance sectors |
401 |
| 29 |
Welldocwelldoc.com
The company offers BlueStar, an in-app digital assistant for type 2 diabetes to drive down costs and promote personal healthcare transformation |
391 |
| 30 |
Axleaxleinfo.com
This company revolutionizes operations with innovative solutions, providing tailored research, technology, and healthcare services to enhance organizational outcomes and accelerate discovery |
379 |
| 31 |
Soft Suave Technologiessoftsuave.com
Providing IT outsourcing, staffing, software development, and low-code/no-code solutions to SMBs across multiple countries with quality and cost-effectiveness. |
377 |
| 32 |
Novatecnovatec.com
The company specializes in manufacturing resin dryers and handling equipment for the plastics industry, focusing on reducing energy costs for customers |
375 |
| 33 |
HiLabshilabs.com
This company provides technology solutions for health plans to optimize member experiences, increase efficiency, and convert data into actionable insights |
349 |
| 34 |
PrimeSoft Solutions, Inc.primesoft.net
IT services firm specializing in product development, offering services in cloud, DevOps, QA, and consulting to clients in various industries for strategic cost advantage |
345 |
| 35 |
Instinctoolsinstinctools.com
A global software product development and consulting company with diverse expertise, delivering innovative technological solutions for businesses worldwide |
338 |
| 36 | 289 | |
| 37 |
DSFederaldsfederal.com
A woman-owned small business specialized in data science, data services, and digital solutions to support research efforts in health and biodefense |
262 |
| 38 |
Flywheel Content Studioflywheeldigital.com
A platform helping brands optimize digital shelves with consumer search insights, performance monitoring, and content optimization for e-commerce success |
252 |
| 39 |
Trend Health Partnerstrendhealthpartners.com
The company provides AI-driven cost-saving solutions to enhance financial clarity and collaboration between payers and providers in the healthcare industry |
245 |
| 40 |
Praxis Engineeringgdit.com
A consulting and solutions firm specializing in software and system engineering technologies to design high-value solutions for mission critical needs |
220 |
| 41 |
Cardinality-aicardyai.com
A software company specializing in AI and data solutions for government agencies, improving efficiency and outcomes for health and human services programs |
191 |
| 42 |
Software Productivity Strategists, Inc. (SPS)spsnet.com
Enterprise innovator offering end-to-end IT solutions including AI development, cybersecurity, cloud services, and training Emphasis on integration and productivity tools |
185 |
| 43 |
Expert Systemexpertsystem.com
AI software automates knowledge-intensive processes and provides insights through Natural Language Understanding for organizations to make the most of their data |
184 |
| 44 |
3CLogic3clogic.com
This company provides Cloud Contact Center and AI solutions to enhance customer and employee experiences, working with leading CRM platforms |
182 |
| 45 | 76 | |
| 46 |
Pushwooshpushwoosh.com
A mobile customer engagement platform trusted by 80,000 clients, offering push notifications, in-app messages, emails, and cross-channel campaigns to drive conversions |
51 |
| 47 |
Stellar IT Solutions, Inc.stellarit.com
Providing technology solutions, software development, IT talent management, and consulting services with multiple US and international offices. |
39 |
| 48 |
REEA Globalreeaglobal.com
Innovative hybrid tech company offering custom software development with global team and US project leadership for seamless execution of projects |
18 |
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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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