Toolbox for IT - IT directory and community for supply chain professionals. Focusing on process optimization, advanced planning and scheduling, industrial engineering and supply chain management. MachineShopWeb - Directory of industrial engineering software with categories including: CAD/CAM, quality control/SPC, NC program optimization and NC verification. Electrical Engineering Links - Selective listing of commercial software for electrical engineering compiled by a working engineer. Focus on process control, drawing and design, production simulation and numerical control software. TenLinks.com - Software directory for engineering professionals. Broad categories are: CAE, CAD, civil engineering software, document management and process software. Sub-Categories include data visualization and analysis, ergonomic modeling and analysis, fluid dynamics and kinematics. LMNO Engineering - Listing of software and resources for hydrology and related areas of science and engineering. Focussing on pressure pipes, hydraulics, groundwater planning and control and environmental engineering. University of Pennsylvania - Links to software vendors, directories and other resources for Bioengineering. Themes include software for biosignal processing and control, biomechanics, biomaterials and bioinstrumentation. WebDirectory - Annotated listing of vendors and directories of tools for software engineering. TechEng Designs - Directory of software vendors for diameter, capacity and liquid flow calculations and structural design of stacks, flowmeters and instrumentation. Also includes professional associations, educational resources and consultants. Techexpo - Listings of hi-technology companies with products for engineering, medical and scientific application. J.R. Services - Selective listing of vendors and resources for software engineering tools. Recycler's World - Specialised directory of software for the recycling industry. Includes vendors applicable to recycling of ferrous and non-ferrous metals, plastics, packaging and construction materials.