HEATKEYS

Searchable, comprehensive, interactive and free Electrical Symbols Library with free downloads for multiple formats, including DXF, DWG and Visio formats.

Automationdirect.com Technical Support Resources. Find help by product, type of support, or keyword.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

YouTube is a place to discover, watch, upload and share videos.

Lynn Allen shares AutoCAD and Autodesk Tips and Tricks to improve your every day drawing performance

A local drafting service business based in New York City that creates quality drawings, and which can be entrusted with important projects. Servicing clients nationwide.

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

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EandM provides industrial automation software for manufacturing data acquisition, plant intelligence, resource tracking, inventory and SCADA control systems.