Synopsys, Inc. - Develops, markets and supports high level design automation software for designers of integrated circuits and electronic systems. Cadence - Offers software for electronic design combined with comprehensive, skilled methodology and design services expertise. Mentor Graphics - A provider of electronic hardware and software design solutions and consulting services to telecommunications, automotive, consumer electronics, computer, semiconductor and aerospace companies. This company is a pioneer of the Electronic Design Automation (EDA) industry. Tanner Research Inc. - Developer of L-Edit Pro mask layout editor and provides IC design consulting services, technology research and electronic products. Includes product description and capabiltiy statement. Labcenter Electronics - Offers schematic capture, simulation and PCB layout including real time interactive simulation of 8051, HC11 and PIC microcontroller based designs. Eagleware - RF & Microwave Design Software - Provides synthesis and simulation software for RF and Microwave circuits, schematic capture and PCB layout. Design Tool Encapsulation - PhD Thesis and freeware, Tcl based toolkit : Encapsulating Tools into an EDA Framework Mician GbR - Develops MicroWave Wizard, a mode-matching synthesis, analysis and optimization (EM) CAD tool for the complete class of rectangular and circular waveguide networks. Includes examples of waveguide structures and product description.