Calypto Design Systems
Software DevelopmentOregon, United States11-50 Employees
Calypto Design Systems, now part of Siemens EDA, develops software tools for ESL hardware design and RTL power optimization, enabling engineers to produce high-quality, low-power electronic systems. Its offerings enable designers to express functional intent at the ESL level using standard programming models, and automatically generate production-quality RTL, accelerating design and verification. Headquartered in San Jose, California, the company operates from Wilsonville, Oregon, and maintains an international presence with offices across Asia, Europe, and North America. The company serves Fortune 500 customers worldwide, including NVIDIA, Qualcomm, Renesas, Freescale Semiconductor, and STMicroelectronics, reflecting its position in the EDA software market. It maintains partnerships with major EDA players such as Synopsys, Mentor Graphics, and Cadence. In January 2026, Siemens announced the Digital Twin Composer, a development aligned with Siemens' broader software initiatives and the integration of Calypto into Siemens EDA.