Top Leidos Alternatives
A Fortune 500 technology, engineering, and consulting company serving defense, intelligence, civil, and health sectors.
20 Similar Companies in Defense
Ranked by total score and funding data on StartupHub.ai


L3Harris Technologies
Global aerospace and defense technology innovator.
CACI
A leading provider of information solutions and services to the U.S. federal government.


Aetna
A leading diversified health care solutions company offering a wide range of insurance and health services.


General Dynamics
Global aerospace and defense company producing business jets, combat vehicles, submarines, and IT services.
Hewlett Packard Enterprise
HPE is a global edge-to-cloud company that helps organizations accelerate the flow of information to unlock the value of all of their data.




Prime Healthcare
A for-profit healthcare organization operating hospitals and providing clinical care, focused on quality, health equity, and community investment.
Department of Defense
The primary executive department of the U.S. federal government charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.


St. Jude Children’s Research Hospital
A leading children's research hospital dedicated to treating and curing childhood catastrophic diseases.
Boeing
Designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide.
EPAM Systems
A leading global provider of digital platform engineering and software development services.
Wipro
Wipro is a global IT services and consulting company offering digital transformation, cloud, AI, and business process services.
NTT DATA
Global IT services and consulting company driving digital transformation through innovation and expertise.


WWT
Validates AI security stacks pre-production.
BT Group
British multinational telecommunications company providing fixed-line, broadband, and mobile services.
Amadeus
Global travel technology company providing IT solutions and distribution systems for the travel industry.




Molina Healthcare of Michigan
A health plan provider focused on serving low-income individuals and families.
Zimmer Biomet
Global medical technology leader providing orthopedic reconstructive products, surgical robotics, and digital health solutions.


DCP Midstream
Integrated midstream energy company focused on natural gas and NGLs, now part of Phillips 66.
About Leidos and Alternatives
Leidos is a Defense company a fortune 500 technology, engineering, and consulting company serving defense, intelligence, civil, and health sectors.. If you're evaluating Defense solutions, these 20 alternatives offer similar capabilities and market positioning. StartupHub.ai tracks funding, team composition, and competitive positioning across 11,000+ AI startups to help you make informed decisions. Browse each profile to compare founders, investors, and funding history.
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