| # | Company | Employees |
|---|---|---|
| 1 |
General Dynamics UKgd.com
A global company focusing on safety and security, producing a range of products from business jets to submarines with a culture of continuous improvement |
100,000 |
| 2 |
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 |
| 3 | 36,645 | |
| 4 |
Bechtel Corporationbechtel.com
Engineering, construction, and project management services for energy, infrastructure, manufacturing, mining, and nuclear markets worldwide, delivering successful outcomes. |
33,626 |
| 5 |
CACI International Inccaci.com
providing advanced technology and expert services to address complex national security challenges for government and defense sectors |
22,223 |
| 6 |
Peratonperaton.com
A company at the forefront of solving global challenges with innovative solutions, prioritizing safety and security through fresh perspectives and talent |
18,000 |
| 7 | 10,724 | |
| 8 |
U.S. Geological Survey (USGS)usgs.gov
Provide impartial scientific data on ecosystems, natural hazards, resources, climate impacts, and core systems for timely environmental information. |
7,704 |
| 9 |
Stride, Inc.stridelearning.com
Provides flexible, technology-driven learning solutions for K-12 schooling, career readiness, and adult upskilling to learners across the United States. |
5,847 |
| 10 | 5,842 | |
| 11 |
NVR, Inc.nvrinc.com
A leading US homebuilder with 75 years of experience, providing quality homes, mortgage services, settlement services, and corporate support functions |
5,333 |
| 12 |
ASRC Federalasrcfederal.com
Providing technology and expertise to federal defense and civilian agencies, supporting missions from space exploration to cybersecurity and infrastructure. |
5,051 |
| 13 |
Government Support Jobsgovernmentsupportjobs.com
Innovative career service specializing in government support jobs, connecting job seekers and employers in the public sector through technology |
4,813 |
| 14 |
Volkswagen of America, Incvw.com
Research, development, manufacturing, sales, marketing, and service of passenger vehicles through a network of independent dealers in the U.S. |
4,326 |
| 15 |
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 |
| 16 |
Carahsoftcarahsoft.com
Supports government, education, healthcare, and private sectors. Delivers cybersecurity, FinOps, MultiCloud, DevSecOps, AI, human capital, and legal tech solutions as a master aggregator. |
4,055 |
| 17 | 3,124 | |
| 18 |
Future Business Leaders of America, Inc. (FBLA)fbla.org
A global student organization offering leadership development, academic competitions, educational programs, membership benefits, community service, and awards in business-related fields |
2,949 |
| 19 |
National Honor Societynationalhonorsociety.org
An organization dedicated to empowering students through recognition of scholarship, service, leadership, and character, with chapters worldwide |
2,832 |
| 20 | 2,767 | |
| 21 |
Bowman Consultingbowman.com
A national engineering services provider delivering infrastructure solutions to customers in various regulated end markets, with expertise in planning, engineering, and environmental consulting |
2,221 |
| 22 |
Ryan Homesryanhomes.com
A leading builder of new homes in various metropolitan areas, offering innovative designs, quality construction, and desirable communities for all stages of life |
2,219 |
| 23 |
Transaction Network Services (TNS)tnsi.com
A global provider of Infrastructure-as-a-Service solutions for financial, communications, and payments markets, supporting secure, flexible, and efficient interactions worldwide |
2,076 |
| 24 |
Engility Corporationsaic.com
A premier technology integrator based in Reston, Virginia, providing information about SAIC through their linkedin page |
1,414 |
| 25 |
Volkswagen Financial Services | U.S.vw.com
Providing accessible mobility solutions for Volkswagen, Audi, and Ducati brands and dealers in the United States through innovative finance products and services |
1,411 |
| 26 |
Caliburn Internationalacuityinternational.com
Acuity International is a global organization providing services in a wide range of areas Check out our website for more information |
1,377 |
| 27 |
GuidePoint Securityguidepointsecurity.com
Elite team of certified experts providing holistic cybersecurity solutions, guiding organizations to make informed decisions, choose appropriate products, and optimize resources |
1,364 |
| 28 |
Revaturerevature.com
Bridges the IT skills gap, accelerating technology workforces for organizations through talent programs, digital academies, and AI training, delivering productive talent faster. |
1,326 |
| 29 |
Noblisnoblis.org
A nonprofit organization providing scientific, technology, and strategy services to government and industry clients in national security, healthcare, and environmental sustainability |
1,313 |
| 30 |
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 |
| 31 |
VERISIGNverisign.com
A global company that provides domain name registry services, internet infrastructure, and ensures security and stability of key internet services |
1,231 |
| 32 |
Internet Societyinternetsociety.org
Supporting the global development of the Internet as an open, secure, and trustworthy resource, through community building, technology advancement, and policy advocacy |
1,171 |
| 33 |
Stanley Martin Homesstanleymartin.com
Designing and building new homes with a passion for beautiful exteriors, money-saving engineering, functional floor plans, and outstanding customer service Also, investing in communities |
1,006 |
| 34 |
Comscore, Inc.comscore.com
A trusted partner in media planning, transacting, and evaluation across platforms, providing advanced audience insights for confident business decisions |
993 |
| 35 |
Technology Student Associationtsaweb.org
A national organization promoting STEM education through competitions and opportunities for middle and high school students across 48 states |
968 |
| 36 |
Tyto Athene, LLCgotyto.com
Specializing in mission-focused digital transformation, our experts offer expertise in Network Modernization, Hybrid Cloud, Cyber Security, and Enterprise IT for defense and security sectors |
967 |
| 37 |
Neustar, Inc.home.neustar
Provides identity resolution technology and data services enabling trusted connections between companies and people across marketing, risk, communications, and security sectors. |
945 |
| 38 |
NCI Information Systems, Inclinkedin.com
The company, now known as Empower AI, specializes in artificial intelligence technology Follow their LinkedIn page for updates |
936 |
| 39 |
THE MEDICAL TEAMmedicalteam.com
A diversified healthcare services provider with a focus on helping patients live independently at home through clinical excellence and continuity of care |
877 |
| 40 |
Synergysynergybis.com
Federal IT firm specializing in cloud, low/no code SaaS platforms, delivering agile MVP solutions to accelerate agency modernization goals. |
865 |
| 41 | 827 | |
| 42 |
American College of Radiologyacr.org
Professional organization advancing radiology science, improving patient care quality, providing education, and conducting research in radiology and related fields. |
803 |
| 43 |
Thompson Hospitalitythompsonhospitality.com
A family-run hospitality company offering food service, facilities management, restaurant group, and retail operations with a focus on quality, service, and community |
786 |
| 44 |
AIS (Applied Information Sciences)ais.com
IT transformation firm specializing in compliant cloud and data solutions for large enterprises, governments, and defense agencies, driving innovation and modernization |
768 |
| 45 |
L-3 National Security Solutionscaci.com
A company that was acquired by CACI International Inc on February 1, 2016, specializing in national security solutions Visit https://wwwlinkedincom/company/caci-international-inc |
729 |
| 46 |
Reston Hospitalhcavirginia.com
A full-service, 231-bed acute care hospital offering top-quality medical expertise across specialties to residents in Reston and Northern Virginia region |
712 |
| 47 |
Sallyport Globalacuityinternational.com
Global provider of security and mission support solutions tailored for security and stability operations worldwide, focused on exceeding customer requirements with core values of integrity and quality |
704 |
| 48 |
National Wildlife Federationnwf.org
This non-profit organization unites Americans to conserve wildlife through grassroots actions, education programs, and publications, with support from millions of individuals and organizations |
690 |
| 49 |
Systems Engineering Services Corporation (SESC)sesc.com
Provider of technology solutions specializing in program management, application development, systems integration, mobile development, virtualization, and systems security for various industries |
681 |
| 50 |
Softeonsofteon.com
Innovative global leader in supply chain technology solutions, focused on customer success through agility, optimization, and 24/7 support worldwide |
678 |
| 51 |
Acuity Internationalacuityinternational.com
Provider of critical services to global government and commercial enterprises, offering expertise in engineering, software solutions, medical care, cybersecurity, and more |
662 |
| 52 |
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 |
| 53 |
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 |
| 54 |
Brillient Corporationbrillient.net
An award-winning company specializing in full spectrum digital transformation, helping clients achieve efficiencies and lower costs through government and IT modernization initiatives |
556 |
| 55 | 535 | |
| 56 |
Aleut Federalaleutfederal.com
A federal services company under The Aleut Corporation offering technology, environmental, construction, and infrastructure services through SBA-certified subsidiaries |
504 |
| 57 |
AMI Expeditionary Healthcareami.health
A physician-owned and led healthcare support organization providing medical solutions and services in remote and challenging environments worldwide, including COVID-19 response |
490 |
| 58 |
Octo, an IBM Companylinktr.ee
Technology firm providing AI, DevSecOps, Cloud, Data Analytics, Cybersecurity, and Low-Code solutions to federal government agencies for modernization. |
470 |
| 59 |
Empower AIempower.ai
Empower AI specializes in boosting workforce productivity for federal agencies through tailored solutions, enabling faster decision-making and mission advancement |
468 |
| 60 |
HydroGeoLogic, Inc.hgl.com
Employee-owned company with 36 years of experience providing innovative engineering and remediation solutions to reverse environmental impacts, restore natural resources, and support clients |
458 |
| 61 |
Amyx, Inc.amyx.com
A management and technical solutions provider for Federal Government clients, offering program management, systems engineering, enterprise architecture, and business process transformation services |
437 |
| 62 |
Collaborative Solutions, LLCcollaborativesolutions.com
A global consultancy specializing in Finance and HR Transformation, leveraging cloud solutions to deliver successful outcomes for clients worldwide |
437 |
| 63 |
hCentive, Inc.hcentive.com
The company specializes in simplifying benefits management through cutting-edge software solutions for government agencies, insurance brokers, employers, and employees |
427 |
| 64 |
StarKist Co.starkist.com
Innovative provider of trusted, healthy food products in the US, introducing single-serve pouch items like Tuna Creationsยฎ, Salmon Creationsยฎ, and Chicken Creationsยฎ |
425 |
| 65 |
1Rivet1rivet.com
An award-winning IT Strategy & Consulting firm offering custom Cloud, Application Modernization, and Advanced Analytics solutions to public and private sector clients globally |
405 |
| 66 |
Paladion an Atos businesseviden.com
As part of Atos Group, this business helps secure major transformations, including cloud migration and application modernization, expanding data and technology possibilities for future generations. |
388 |
| 67 |
KIHOMACkihomac.com
An aerospace and defense acquisition and technology company, offering system acquisition and life cycle management support to government agencies |
388 |
| 68 |
International Registries, Inc.register-iri.com
The company provides administrative and technical support to the RMI Maritime Registry, offering services for vessel registration, company incorporation, and seafarer documentation worldwide |
387 |
| 69 | 380 | |
| 70 |
GCEgcecloud.com
Leading provider of cloud-based financial and accounting applications for Federal government and commercial enterprises, focused on delivering innovative technology solutions and world-class service |
359 |
| 71 |
Electrify Americaelectrifyamerica.com
This company builds a network of electric vehicle fast charging stations across the US, promoting electric vehicle adoption through education and outreach |
358 |
| 72 |
Titan Corporationl3harris.com
Former defense contractor turned technology company, specializing in wireless communications, information systems, and electron beam technology for food safety Acquired by L-3 Communications in 2005 |
355 |
| 73 |
Securiportsecuriport.com
Securiport provides innovative technology solutions using biometrics and data analytics to enhance border security and civil aviation safety globally |
352 |
| 74 |
Realty Connectrealtyconnect.com
Innovative real estate company offers referral agent program to keep licenses active without fees, connecting clients with top-rated agents nationwide |
340 |
| 75 |
ISIisidefense.com
A leader in security for government contractors, offering tailored solutions, compliance support, expertise in CMMC, clearances, software, and security empowerment |
340 |
| 76 |
Evolverevolverinc.com
A technology company offering IT transformation and cybersecurity services to government and commercial clients, focusing on security, innovation, and operational efficiency |
325 |
| 77 |
Whitney, Bradley & Brown (WBB)wbbinc.com
A government and public sector solutions provider focused on innovative advances in technology and methodologies to meet client challenges effectively |
324 |
| 78 | 315 | |
| 79 | 313 | |
| 80 | 308 | |
| 81 |
GTA (Global Technology Associates) - A Kelly Telecom Companygtatelecom.com
The company provides telecom engineering solutions for legacy, 5G, and private networks through staffing, scope of work, and direct hire services |
282 |
| 82 |
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 |
| 83 |
Xator Corporationparsons.com
Provider of mission-focused C4ISR solutions for US Government clients, specializing in intelligence, critical infrastructure protection, training, and strategic management |
267 |
| 84 |
SES Space & Defensesessd.com
Equipping governments with integrated satellite and connectivity solutions, delivering resilient, future-proof capabilities across every mission, landscape, and orbit. |
250 |
| 85 |
Golden Key Groupgoldenkeygroup.com
A trusted professional services firm assisting federal government with strategic, organizational, and operational challenges in human resources, human capital, learning, and development |
249 |
| 86 |
Metron Inc.metsci.com
Provider of research, scientific, and software solutions for government and commercial markets Specializing in data analytics, autonomous solutions, and remote sensing systems |
242 |
| 87 |
Pantheon Incpantheon-inc.com
Specializing in products, software development, consulting, and support services, we have centers of excellence focused on various technology solutions Trusted by Fortune 100 companies worldwide |
233 |
| 88 |
National Association of Secondary School Principals (NASSP)nassp.org
An organization serving middle and high school principals worldwide through advocacy, research, education, and student programs, promoting student success and leadership development |
225 |
| 89 |
Tickmarks, Inctickmarks.net
Results-oriented firm offering accounting, audit, advisory services, and transaction processing worldwide with expertise in compliance, security, governance, and risk management |
222 |
| 90 |
Electrosoftelectrosoft-inc.com
A technology company providing innovative solutions and services to government and commercial clients since 2001, with a focus on customer service, excellence, and integrity |
215 |
| 91 |
PRISMprisminc.com
PRISM specializes in modernizing and innovating technology, security, and IT enterprise solutions for various sectors while supporting US military Veterans |
203 |
| 92 |
GridPointgridpoint.com
GridPoint connects businesses, buildings, and the grid to enhance energy efficiency, reliability, and sustainability for a more sustainable future |
190 |
| 93 |
National Contract Management Association (NCMA)ncmahq.org
Professional society promoting a globally recognized contract management profession, offering certifications, collaboration, and resources for practitioners in public and private sectors |
186 |
| 94 |
ASRC Federal Vistronixasrcfederal.com
Vistronix Inc is a subsidiary of ASRC Federal, providing information technology services For more information, visit ASRC Federal's website |
181 |
| 95 |
American Security Programsaus.com
A premium contract security services company providing responsive solutions for various industries, with a focus on professionalism, integrity, and client satisfaction |
180 |
| 96 |
The Wexford Groupcaci.com
A consulting firm offering specialized services to governments, military, law enforcement, and commercial enterprises, focusing on security challenges with integrity |
180 |
| 97 |
Resonateresonate.com
Provides brands and agencies with deep consumer intelligence focused on human values and motivations to enhance marketing engagement and customer experiences. |
179 |
| 98 |
iWorks Corporationiworkscorp.com
Provider of IT and professional services to the federal government, specializing in personnel security, Agile, DevOps, data analytics, and cloud solutions Committed to quality and innovation |
178 |
| 99 |
GCI Incorporatedgci.tech
An Engineering and IT Services company specializing in Data Analytics, Cyber Operations, Targeting, Operations Solutions, and Training for solving client challenges |
176 |
| 100 |
MetaPhasemetaphaseconsulting.com
An 8(a) Certified Small Minority-Owned IT and Management Consultancy serving Federal Government clients with expertise in system development, communications, change management, and data analytics |
175 |
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