Top Companies in Philadelphia

Superscript Systems (formerly Exilion Technologies Inc.) is a senior, U.S.-based software engineering firm that builds and operates production-grade software systems for growing companies. We specialize in custom software development where reliability, security, and long-term ownership matter, including AI-driven platforms, fintech, payments systems, and complex integrations. Our clients work with us when internal teams need experienced engineers who can take responsibility for delivery, not just write code. Unlike traditional dev shops, we operate as a long-term technical partner. We design systems with real-world constraints in mind: scalability, auditability, security, and maintainability. Many of the platforms we build handle sensitive data, automated workflows, and revenue-critical processes in production. We run small, senior teams for focus and accountability, and can scale delivery responsibly when projects require it. Our team brings deep experience across: Custom software and platform development Applied AI and generative AI systems Scalability and performance optimization Payments, financial workflows, and complex data pipelines Cloud-native architecture and system modernization We engage through structured time-and-materials, typically in monthly delivery cycles, giving clients flexibility while maintaining predictability through clear planning, reporting, and governance. For larger initiatives, we typically start with a short discovery / architecture phase to de-risk delivery before full build-out. Superscript Systems is SOC 2 compliant, and we follow secure development practices aligned with enterprise expectations. Clients value our transparency, senior-level communication, and ability to operate confidently within real production environments. If you're looking for a dependable engineering partner to build, evolve, or stabilize a critical software system, we're happy to connect.

Comcast Corporation is one of the world's largest media and technology companies operating Xfinity broadband and cable TV services NBCUniversal film and TV studios and the Sky broadcasting network across Europe.

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