Serving the US Government since 2000
A proven prime and sub-contractor to multiple governmental departments, PSI possesses the know-how to deliver secure, high-performance software.
For over 40 years, PSI has been a trusted government contractor in software development, delivering reliable and secure software systems. We specialize in designing mission-critical solutions across multiple governmental departments. From defense technology to advanced monitoring systems, as well as SBIR and STTR-funded technologies, our expertise ensures your projects drive real impact.
At PSI, we don’t just understand the challenges of government contract work—we tackle them head-on. Our team of 100% U.S.-based software engineers collaborates with you to develop customized solutions that maximize the return on every grant or project dollar. With PSI by your side, you can count on unrivaled precision, compliance, and a steadfast commitment to excellence.
100% US Engineering
A workforce comprised entirely of US Citizens to support your critical software and firmware needs. Trust PSI to get it done right.
Custom Software Solutions and Systems for Government-Sponsored Technology
With over four decades of expertise in contracting for military and government software development, PSI delivers tailored solutions built to meet the rigorous demands of public sector projects. Our team is backed by industry-leading certifications, including MIL-SPEC, MIL-STD, and ISO 9001, ensuring compliance, security, and performance at every level. These are just a few examples of projects that we’ve contributed to:
- Targeting Systems
- Test & Diagnostic Systems
- Equipment Simulators
- Field & Triage Medical Devices
- GPS & Tracking Systems
- Sonde Simulators
- Base Utility Infrastructure Monitoring
- Communication Systems
- Vehicle & Aircraft Diagnostics
- Embedded System Interfaces
Government Software Engineering Done Right.
Our Clients
Company Designations
PSI proudly holds numerous designations that underscore our expertise and readiness to serve government clients. These credentials highlight our capabilities as a reliable and qualified partner for complex software and systems engineering projects.
- CAGE: 3G3V3
- DUNS: 790553093
- EIN: 23-2288096
- SAM.Gov: Registered
- Structure: Woman Owned, Small Business, C Corporation
- NAICS: 541511, 541512, 541513, 541519, 541712
Standards & Certifications
PSI meets the highest military and government standards, ensuring every software solution is secure, compliant, and ready for real-world deployment. Our compliance with military and international software development benchmarks positions us as a leader in government technology solutions.
- MIL-SPEC & MIL-STD
- ISO 9001 CERTIFIED
- ISO 13485 CERTIFIED
- IEC 12207 (SOFTWARE LIFE CYCLE)
- IEC 61508 (FUNCTIONAL SAFETY)
Your Mission. Our Expertise. Let’s Build Secure, Compliant Software for Your Government Project.
Partner with PSI for military and government software solutions designed to meet the highest standards of safety, compliance, and performance so you can focus on achieving your goals with confidence.
Securing Every Layer of Your Mission-Critical Projects
At PSI, your security is our priority. We employ both physical and cybersecurity strategies to safeguard sensitive data and ensure operational integrity for every project. Whether you’re developing new systems or upgrading existing infrastructure, our tailored approach delivers unmatched protection. From secure development environments to proactive risk mitigation, our team is committed to protecting your mission-critical systems at every stage.
Partner with PSI for military and government software solutions designed to meet the highest standards of safety, compliance, and performance so you can focus on achieving your goals with confidence.
PSI Software Development Process
The Right Knowledge, Experience & Commitment to Treating Your Project as Our Own
Since our visionary founding in 1979, the PSI Software approach has been deeply collaborative, no matter the software development or systems engineering challenge. Whether we are engaged to design a new system from scratch, refactor an existing code set for optimal security and performance, or join a client’s team midstream during planning, design, or development, we pursue success with our time-tested engineering process and an innovative drive to balance cost, quality, and schedule. Get to know PSI, our legacy of software engineering excellence for embedded and real-time systems, and our dedication to achieving your government or military software development project goals.
Ready to Work with an Experienced Government Software Engineering Contractor?