Core Source Technologies (CST) is an engineering solutions firm that offers partial and full turnkey outsourcing services for modern product development environments. Our main goal is to help speed up product development timelines without impacting quality by using innovative, cost-effective solutions and leveraging our extensive experience. We'll handle the process & development. You keep the IP. Learn More. The company provides expertise in Mechanical Engineering, Hardware Engineering, PCB Design, Supply Chain, Rapid Prototypes, Low Volume Production, Regulatory Compliance, Integration & Test, Technical Writing, Electronic Enclosures, Custom Power Supplies, and Custom Test Fixtures.