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Our subsidiaries enhance and deepen PSI’s capabilities to commercialize products independently or through

strategic collaborations.

Advanced Technologies
& Laboratories (ATL)

ATL is focused on offering clients innovative scientific

and technical solutions of the highest quality in the fields of

health and the environment. ATL is an expert in health physics, occupational safety and health, nuclear and laboratory operations, characterization, and information technology solutions.

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QuarterLine delivers a wide range of health solutions and insights to public and private sector clients. QuarterLine is a healthcare services company providing technology, consulting, and clinical solutions to government and commercial customers nationwide.

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KINEX provides Software Development, System Administration, Network Engineering, and Information Assurance services.



ProSphere is a market-leading technology integrator that delivers digital modernization services and technical solutions to meet the needs of our federal government clients. We place a high value on serving the communities in which we live and work.

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