HEATKEYS

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

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

3D models for CAD/CAM/CAE designers. Cars, cities, airplanes and other polygonal and NURBS/SOLID models.

Cemco Inc. allows contractors in the U.S. and internationally to make concrete processing more profitable by using self-contained, self-erecting and mobile cement batch processing equipment.

Industrial Engineering Services & Full Service Automation Solutions by Optimation.us, provider of design and build services for industry. Our Expertise includes Engineering Design Services, system integration along with Industrial fabrication and...

Rock & Dirt is your destination for new and used construction equipment and heavy machinery. Buy, sell, or auction heavy equipment here.

Empowering anyone to create and publish 3D online through our 3D platform of community, 3D content, and free 3D software.

Advanced Concrete Technologies engineers and manufacturers complete turnkey concrete batching and concrete mixing plant equipment.

Outsource to expert programmers, designers, writers, translators, marketers, researchers and admin contractors with tested skills.

Be Communities is a social networking site for those in the architecture, engineering, construction, operations, and GIS communities with tools such as forums, blogs, a resource gallery, and a wiki for connecting, communicating, and learning from eac...