| # | Company | Employees |
|---|---|---|
| 1 |
Northrop Grummannorthropgrumman.com
Development of advanced technology solutions in autonomous systems, cyber, space, and defense to enhance global security and modernization. |
86,220 |
| 2 |
Booz Allen Hamiltonboozallen.com
Innovative technology consulting firm advancing critical missions through AI, cybersecurity, and engineering solutions, empowering clients to shape the future |
37,244 |
| 3 |
Leidosleidos.com
Global technology leader providing digital mission innovations and efficient technical services for government and commercial customers through a diverse, flexible work environment. |
37,171 |
| 4 |
Maximusmaximus.com
The company provides transformative technology services, digital customer experiences, and clinical health services to improve lives and support customer missions |
26,654 |
| 5 | 6,609 | |
| 6 |
Mission Technologies, a division of HIIhii.com
The company's Mission Technologies division develops integrated solutions for military operations, including C5ISR, AI, cyberspace strategies, unmanned systems, and platform modernization |
5,049 |
| 7 |
Ellucianellucian.com
Leading provider of cloud & SaaS solutions for higher education institutions worldwide, enhancing operations and enriching the experience for millions of students |
4,315 |
| 8 |
ECSecstech.com
ECS provides advanced technology, science, and digital solutions to address cyber threats for customers in the public and private sectors |
3,996 |
| 9 |
Evolentevolent.com
Partnering with health plans and providers to deliver evidence-based, affordable, and compassionate care for complex health conditions nationwide. |
3,799 |
| 10 |
Strategystrategy.com
First and largest Bitcoin treasury. Leading provider of universal semantic layer and AI+BI software. Unifies data and powers governed insights. |
3,470 |
| 11 |
QBurstqburst.com
A full-service software solutions provider that helps clients enhance business effectiveness by leveraging digital technology |
3,383 |
| 12 |
GovCIOgovcio.com
Deliver IT solutions and services using Agile methods and innovation to optimize government operations and support citizen-focused missions. |
3,164 |
| 13 |
Perspectaperaton.com
Innovative provider of diverse capabilities in defense, intelligence, healthcare, and more, supporting US government missions with patented solutions and digital transformation services |
2,820 |
| 14 |
10Pearls10pearls.com
A global leader in product innovation and software development, specializing in transforming businesses through digital technology with a focus on social impact |
2,760 |
| 15 |
Appianappian.com
Delivers software platform helping organizations run processes to reduce costs, improve customer experiences, and gain strategic edges across many different global industries. |
2,632 |
| 16 |
Trianztrianz.com
Delivers cloud adoption and AI transformation through a unified platform for migration, modernization, multi-cloud management, FinOps, and autonomous federated AI data intelligence. |
2,369 |
| 17 |
Systems Planning & Analysisspa.com
Provides rigorous, objective analytical insights and innovative solutions for critical national security programs supporting US and Allied missions. |
2,242 |
| 18 |
Fluencefluenceenergy.com
Global leader in energy storage products and services, providing modular solutions, comprehensive services, and AI-enabled software for managing renewable energy and storage |
1,962 |
| 19 |
Medalliamedallia.com
Leader in experience management with a platform capturing billions of signals across all interactions, using AI to drive predictive insights and business outcomes |
1,920 |
| 20 |
ECLAT Health Solutions Incevaire.com
A global healthcare support service providing medical coding and revenue cycle consulting to help providers reduce administrative burdens and improve reimbursement efficiency |
1,795 |
| 21 |
Everbridgeeverbridge.com
Critical event management platform using purpose-built artificial intelligence and risk intelligence to accelerate response times and minimize disruptions for global organizational resilience. |
1,603 |
| 22 | 1,569 | |
| 23 |
ShiftMedshiftmed.com
ShiftMed connects healthcare professionals with clinical facilities, offering flexible work schedules, real-time shift filling, and improved patient care continuity nationwide |
1,416 |
| 24 |
Credencecredence.ai
A leading government contractor providing technology, health, development, engineering, and management solutions with a focus on exceeding customer expectations and employee wellbeing |
1,345 |
| 25 |
HII Technical Solutions, a division of Huntington Ingalls Industriestsd.huntingtoningalls.com
The company specializes in mission technologies, offering a range of services and solutions Visit their new LinkedIn page for more information |
1,295 |
| 26 |
Tkxelcareers.tkxel.com
Tkxel is a USA-based software development company providing innovative solutions like AI, IoT, and cybersecurity to help businesses achieve their digital transformation goals globally |
1,264 |
| 27 |
SETsetcorp.com
A small business founded by DARPA scientists in 2002, specializing in creating and commercializing innovative "smart" information technologies for defense and intelligence clients |
1,240 |
| 28 |
MarginEdgemarginedge.com
This company provides a solution for restaurants to streamline their invoicing, inventory management, pricing, recipe updates, and cost tracking processes |
1,095 |
| 29 |
REI Systemsreisystems.com
Providing innovative technology solutions to federal, state, local, and nonprofit organizations for improved decision-making and streamlined processes. |
862 |
| 30 |
Cognosanteaccenture.com
This company partners with federal agencies to innovate and implement solutions using leading technologies for delivering public services and programs effectively |
816 |
| 31 |
Riverside Researchriversideresearch.org
A nonprofit organization conducting independent research in various scientific fields to advance innovation and provide high-value solutions to government customers |
801 |
| 32 |
Aurora Flight Sciencesaurora.aero
They advance the future of flight by developing innovations in aircraft configurations, autonomous systems, propulsion technologies, and manufacturing processes |
800 |
| 33 |
Redwood Softwareredwood.com
Provides SaaS-based composable automation platform enabling orchestration, management, and monitoring of mission-critical business workflows across applications and environments. |
787 |
| 34 |
Kastle Systemskastle.com
Provider of advanced access control, video surveillance, visitor and identity management technologies for commercial, residential, educational, and government properties. |
702 |
| 35 |
WillowTreewillowtreeapps.com
A global digital agency founded in 2008, WillowTree partners with Fortune 500 brands to deliver innovative digital products and exceptional customer experiences |
693 |
| 36 |
GTLviapath.com
A pioneer in corrections technology, ViaPath Technologies develops solutions to improve connections, safety, and communities, empowering people for the future |
632 |
| 37 |
Aircom (a TEOCO Company)teocoaircom.com
Provider of Engineering, Assurance, and Analytics solutions to communication service providers (CSPs) worldwide, acquired by TEOCO in 2013 |
629 |
| 38 |
Lovelyticslovelytics.com
Data and analytics consultancy specializing in delivering services, building solutions, and promoting self-sufficiency through hands-on enablement for individuals, teams, and organizations |
626 |
| 39 |
MetroStarmetrostar.com
Leading provider of secure digital transformation and AI-enabled products and solutions, specializing in delivering cutting-edge IT services to government agencies and defense organizations. |
620 |
| 40 |
Alpha Omegaalphaomega.com
Alpha Omega specializes in providing mission-focused solutions in cybersecurity, data and AI, and digital modernization for national security, foreign affairs, and climate science |
613 |
| 41 |
UltraViolet Cyberuvcyber.com
Provides tech-enabled managed security services and cybersecurity expertise to Global 2000 companies and the Federal Government, offering integrated security capabilities. |
601 |
| 42 |
Core4cecore4ce.com
Mission-oriented company serving national security community by building, modernizing, and defending digital infrastructure with expertise in cyber operations, modernization, engineering, and analysis |
599 |
| 43 |
Team Velocityteamvelocitymarketing.com
Revolutionizing the automotive industry with a Customer Experience Platform, empowering dealers to create seamless consumer experiences and maximize ROI |
581 |
| 44 |
ScienceLogicsciencelogic.com
A leader in IT Operations Management, providing actionable insights, predicting and resolving problems faster in a digital world through infrastructure monitoring and AIOps solutions |
581 |
| 45 |
ViaPath Technologiesviapath.com
An innovative technology company striving to create safer environments, stronger connections, and better communities through empowering solutions |
579 |
| 46 |
DrFirst, Inc.drfirst.com
Healthcare technology solutions pioneer, connecting stakeholders to improve patient outcomes by offering real-time access to information and innovative products/services |
460 |
| 47 |
Mission Lanemissionlane.com
Purpose-driven fintech uses technology, data, and machine learning for dignified customer experience, offering credit-building products, tools, and support for financial health. |
453 |
| 48 |
Modus Createmoduscreate.com
Specializing in digital transformation, our global team helps clients innovate and build competitive advantage through strategic consulting, product development, and platform modernization |
270 |
| 49 |
Veratoverato.com
This company specializes in providing identity solutions for healthcare organizations, offering a trusted source of truth for patient and provider data |
196 |
| 50 |
SuccessKPIsuccesskpi.com
A revolutionary platform uses AI to unify data from customer interactions across channels, optimizing customer service delivery for various industries globally |
171 |
| 51 |
ORIoriresults.com
The company empowers organizations with transformative data management solutions, improving access to data, driving insights, and delivering results through industry-leading technologies |
167 |
| 52 |
Paperless Partspaperlessparts.com
Intelligence platform for industrial supply chain. Transforms technical files into actionable intelligence, enabling faster, more accurate quotes and precise procurement for manufacturers. |
138 |
| 53 |
Radiant Solutionsradiantsolutions.com
Provides multi-source data collection, enrichment, and analytic capabilities revealing unique geospatial information and insights for national security and commercial organizations. |
120 |
| 54 |
Cloudpermitcloudpermit.com
Cloudpermit offers online community development software for building permitting, business licensing, planning & zoning, and code enforcement, focusing on efficiency and user-friendliness for government and citizens |
110 |
| 55 | 102 | |
| 56 |
Assurety Consulting & Solutions Inc.assuretyconsulting.com
A consulting company solving complex business problems with expertise in professional services, analytics, ML, fraud management, and innovative software solutions |
60 |
| 57 |
Data Machinesdatamachines.com
A data analytics company specializing in cloud architectures, solving complex problems in data analytics, DevSecOps, machine intelligence, and data science |
45 |
| 58 |
LightFeatherlightfeather.io
A forward-thinking startup specializing in digital services, empowering individuals, driving business value, and innovating to transform business processes |
38 |
| 59 |
Y Point Solutions LLCfederal.ypointanalytics.com
A professional services organization specializing in data analytics, delivering customized solutions for effective decision making through data strategy, integration, and architecture services |
35 |
| 60 |
Trewon Technologies | Inc 5000 Companytrewon.com
Specializes in IT solutions for Federal Government, offering strategy, automation, and cybersecurity services Focuses on data-driven decision-making and innovative approaches |
35 |
| 61 |
Johnson Technology Systems, Inc. (JTSi)jtsusa.com
An IT and Engineering Services provider specializing in delivering mission-critical professional IT services, with a focus on SAP/ERP solutions for the Public Sector |
34 |
| 62 |
Systems Development and Analysissystemsdev.com
This company focuses on clients' missions, providing independent and innovative technology solutions at the interfaces of IT, business, and operations |
10 |
| 63 |
B2Sell - B2B Ecommerce Solutionsb2sell.com
A leading provider of eCommerce solutions empowering businesses by enhancing product management, order processing, and sales growth through integrated sales channels and analytics |
6 |
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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 Oct 24, 2026.
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