Science Applications International Corporation
Science Applications International Corporation, commonly known as SAIC, is a U.S. technology integrator and government-services contractor serving federal agencies with information technology, engineering, mission support, and related professional services.
Last updated November 4, 2026
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Overview
Science Applications International Corporation, or SAIC, is an American technology company and government-services contractor headquartered in Reston, Virginia. Its business is centered on helping public-sector customers design, integrate, operate, and modernize complex technology and mission systems. The company is particularly associated with U.S. federal government work, including information technology support, engineering and technical assistance, logistics, cybersecurity-related services, systems integration, and operational support for national-security and civilian agencies. The company traces its origins to 1969, when J. Robert Beyster established the original Science Applications International Corporation. The early organization developed a reputation for applying scientific and engineering expertise to government and defense problems. Over time, its work broadened from technical research and advice into large-scale government contracting, program management, information systems, and mission-support activities. Its customers and contracts have included organizations within the U.S. defense, intelligence, homeland-security, and civilian-government communities. A defining corporate turning point occurred on September 27, 2013, when the original SAIC separated into two publicly distinct businesses. The unit retaining the SAIC name focused primarily on direct support, technical advice, and services for government organizations. The other business, focused more heavily on capability development and related activities, became Leidos. The separation was motivated in part by federal acquisition rules concerning organizational conflicts of interest. Existing contracts and advisory relationships could restrict the combined company from pursuing certain new opportunities, so the split was intended to give the two businesses greater flexibility in government bidding. After the separation, Anthony J. Moraco became SAIC’s chief executive officer, while John P. Jumper led Leidos. SAIC then pursued expansion through acquisitions that added cleared personnel, intelligence capabilities, technology expertise, and government-contracting scale. In 2015 it acquired Scitor Holdings for $790 million, strengthening its position in intelligence work and classified contracts. In 2018 SAIC announced an agreement to acquire Engility, a competing U.S. government-services contractor; the transaction was completed in January 2019 and expanded the company’s contract portfolio and service capabilities. In 2020 it announced the acquisition of Unisys US Federal for a reported $1.2 billion, adding another established federal information-technology business. In 2021 it acquired Halfaker and Associates, a Virginia technology-services company founded by veteran advocate Frances Dawn Halfaker. SAIC’s brand is therefore best understood as a business-to-government professional-services and technology brand rather than a consumer-facing product label. Its value proposition is based on technical depth, security clearances, government-domain knowledge, contract execution, and the ability to combine personnel, software, infrastructure, engineering, and program-management capabilities. The company’s work is typically delivered through long-term government contracts and task orders rather than through mass-market products. The company’s history also includes a significant compliance and reputational controversy involving New York City’s CityTime payroll system. In 2012 SAIC was ordered to pay $500 million to New York City after authorities determined that the company had overbilled the city over a seven-year period on the contract. In 2014 Gerard Denault, identified as SAIC’s CityTime program manager, and a government contact were sentenced to lengthy prison terms for fraud and bribery connected with the project. The episode illustrates the legal, financial, and reputational risks inherent in large public-sector technology programs. SAIC remains an active U.…
History
Science Applications International Corporation was founded in 1969 by J. Robert Beyster. It developed as a science, engineering, technology, and government-services organization serving complex public-sector requirements. Its work expanded over the decades from technical advice and research-oriented support into information technology, systems integration, engineering, program management, intelligence support, and other services for U.S. government customers. The company’s most important structural change came in 2013. On September 27 of that year, the original SAIC separated into two businesses. The organization that retained the SAIC name concentrated on direct government support and technical advice. The other organization, which focused more on capability development, became Leidos. Federal Acquisition Regulation conflict-of-interest provisions were a major reason for the transaction: relationships established through existing contracts could limit the combined company’s ability to compete for additional government work. Following the separation, Anthony J. Moraco became SAIC’s chief executive, while John P. Jumper became chief executive of Leidos. SAIC subsequently expanded through acquisitions. In 2015 it bought Scitor Holdings for $790 million. Scitor brought intelligence-sector experience, classified contracts, cleared employees, and security infrastructure. In 2018 SAIC announced an agreement to acquire Engility, another U.S. government-services contractor. The combination was scheduled for January 2019 and increased SAIC’s scale in federal contracting. In February 2020 SAIC announced the acquisition of Unisys US Federal for a reported $1.2 billion, adding federal information-technology capabilities. In 2021 SAIC acquired Halfaker and Associates, a Virginia-based technology-services company founded by Frances Dawn Halfaker. The company’s public history also includes the CityTime controversy in New York. In 2012 SAIC was ordered to pay $500 million to the city after authorities found that it had overbilled New York over seven years on the CityTime payroll project. In 2014 Gerard Denault, the company’s CityTime program manager, and a government contact were sentenced to 20 years in prison for fraud and bribery related to the contract. The case became a prominent example of the oversight and compliance challenges associated with large government information-technology programs. SAIC’s present identity is that of a U.S.-focused technology integrator and government-services provider. It supports defense, intelligence, homeland-security, and civilian agencies through contract-based delivery of technology modernization, engineering, secure systems, mission support, and program-management services. The supplied source material does not establish a current executive roster, current financial profile, official website, or present listing information, so those details remain unspecified.
- 2021
Halfaker and Associates acquisition
[1]SAIC acquired Virginia-based technology-services company Halfaker and Associates.
- 2020
Unisys US Federal acquisition announced
[1]SAIC announced a $1.2 billion acquisition of Unisys US Federal to broaden its federal technology-services business.
- 2018
Engility acquisition announced
[1]SAIC announced a $2.5 billion combination with Engility, expanding its position in U.S. government services.
- 2015
Scitor acquisition
[1]SAIC acquired Scitor Holdings for $790 million to strengthen its intelligence, classified-contract, cleared-personnel, and security capabilities.
- 2013
Corporate separation from Leidos
[1]The original SAIC split into a government-services business retaining the SAIC name and a separate capability-development business that became Leidos.
- 2012
CityTime overbilling judgment
[1]SAIC was ordered to pay $500 million to New York City in connection with overbilling allegations involving the CityTime payroll contract.
- 1969
Company founded
[1]J. Robert Beyster founded Science Applications International Corporation as a science and technology organization serving complex technical requirements.
Products and positioning
A U.S. government-focused technology integrator and professional-services contractor combining information technology, engineering, mission expertise, cleared personnel, and program-management capabilities for complex federal programs.
Information technology services
Government information technology services
SAIC provides information-technology support to government customers, including enterprise systems, infrastructure, applications, modernization programs, and operational technology services. These offerings are generally delivered through contract teams that combine technical specialists, program managers, and government-domain expertise rather than through standardized consumer software.
Technology integration
Systems integration and modernization
The company integrates technology, applications, infrastructure, data, and mission processes for complex public-sector environments. Its modernization work is intended to help agencies replace aging systems, connect distributed capabilities, and operate secure enterprise platforms.
Engineering services · 1969
Engineering and technical services
SAIC supplies engineering, technical advice, scientific analysis, and specialist personnel for defense, intelligence, civilian, and national-security programs. The offering reflects the company’s historical identity as a science and engineering organization and is commonly packaged with program-management and mission-support work.
National-security services
Intelligence and classified-contract support
Through organic capabilities and acquisitions such as Scitor, SAIC supports intelligence-related programs requiring cleared personnel, secure facilities, specialized infrastructure, and experience operating under classified government contracts.
Government professional services
Mission and program management
SAIC provides program-management, advisory, logistics, and operational support for government missions. These services help agencies plan and execute large technology and defense-related initiatives, coordinate contractors and stakeholders, and maintain continuity over multi-year programs.
Controversies
2014
CityTime fraud and bribery convictions
Gerard Denault, SAIC’s CityTime program manager, and a government contact were sentenced to 20 years in prison for fraud and bribery related to the project.
2012
CityTime overbilling controversy
SAIC was ordered to pay $500 million to New York City after authorities concluded that the company had overbilled the city over seven years on the CityTime payroll contract.
Brand decisions
2021
Acquire Halfaker and AssociatesM&ABackground
Halfaker and Associates was a Virginia-based technology-services company serving government-related technology needs.
Action taken
SAIC acquired Halfaker and Associates.
Aftermath
The acquisition expanded SAIC’s technology-services capabilities and workforce.
2020
Announce Unisys US Federal acquisitionM&ABackground
SAIC pursued additional scale and capabilities in U.S. federal information-technology services.
Action taken
SAIC announced the acquisition of Unisys US Federal for approximately $1.2 billion.
Aftermath
The acquisition added federal technology-services capabilities to SAIC’s portfolio.
Acquisition price. $1.2 billion (2020 announcement)
2018
Announce Engility acquisitionM&ABackground
Engility was a competitor in the U.S. government-services contracting market.
Action taken
SAIC announced a combination with Engility valued at approximately $2.5 billion, with completion planned for January 2019.
Aftermath
The deal was intended to increase scale and strengthen SAIC’s federal contracting portfolio.
Combined transaction value. $2.5 billion (2018 announcement)
2015
Acquire Scitor HoldingsM&ABackground
SAIC sought to expand its intelligence-sector presence and add classified-contract capabilities, cleared personnel, and security infrastructure.
Action taken
SAIC acquired Scitor Holdings for $790 million.
Aftermath
The transaction broadened SAIC’s intelligence and national-security capabilities.
Acquisition price. $790 million (2015 acquisition)
2013
Separate the government-services business from the capability-development businessStrategyBackground
Federal acquisition conflict-of-interest rules could prevent a combined company from bidding on some contracts because of its existing contractual relationships.
Action taken
The original SAIC was divided into two businesses. The government-support organization kept the SAIC name, while the other organization adopted the name Leidos.
Aftermath
The separation created distinct businesses focused on different portions of the government technology and services market.
Sources1 sources
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