PSA Inc.
Software DevelopmentMichigan, United States51-200 Employees
PSA Inc. is an American software and engineering firm based in Lapeer, Michigan, with more than thirty years of experience providing service development for major US and European organizations. The company concentrates on rail engineering, including modernization of signaling systems and the revitalization of legacy wayside equipment, while enabling real-time infrastructure monitoring through its platforms. With deployments in more than 20 countries across five continents, PSA supports the introduction of modern signaling and safety systems across diverse rail networks and pursues enterprise IoT initiatives for turnkey solutions and analytics-enabled deployments. PSA's client base includes a range of industry leaders, reflecting its role as a partner for both established corporates and technology-focused organizations. The firm reports a long track record of project delivery and high client satisfaction, citing more than 750 projects completed and a 99% satisfaction index. A recent development is the November 2024 launch of TraxSentinel, an IoT-enabled solution that blends real-time monitoring, predictive maintenance, and data analytics to support grade crossing safety and management.
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