HEATKEYS

AutoCAD is the most popular Computer Aided Design (CAD) software available today. Learn AutoCAD on the Internet with a special course offered by the CAD Institute.

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

An Innovative Manufacturer of Water Quality Products including Backflow Preventers, Regulators, Valves, PEX Plumbing, Reverse Osmosis, Radiant Heat and much more...

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

Unlocking Measurement Insights

Welcome to our new webpage.  We are working hard to create a valuable new resource for our customers.  Several portions of the new site are still undergoing construction/revisions or not yet live...

Need photo eyes? Rely on the global leader in process and industrial automation: Banner Engineering. Find sensors, wireless sensors, vision sensors, vision lighting, machine safety, e-stop devices, indicator lights.

ITT Bell & Gossett is the world leader in supplying the Heating/Ventilating/Air Conditioning (HVAC) industry. We serve the HVAC industry with world-class fluid handling products. Bell & Gossett is a name you see everywhere: from large comme...

SDC Publications, your source for Engineering textbooks.