Wolfram Workbench: State-of-the-Art Integrated Development Environment
Wolfram Workbench provides sophisticated code editing, navigation, and project management tools for enterprise-class development and deployment

Analog Insydes is a Mathematica application package for modeling, analysis, and design of analog electronic circuits, tailored specifically for industrial applications. With Analog Insydes and Mathematica you can do all of the following in one integrated environment.
Simulating a feedback control system with controller and second-order plant
Industry Solutions for Engineering - Control Systems
Build and analyze control systems, document design decisions, and interactively test controllers-all in one system.