HEATKEYS

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

CAD Blocks FREE! Download FREE CAD Blocks from a variety of categories and CAD disciplines. Browse before you download as all of our CAD Blocks have detailed thumnail views!

Architectural information on building materials, manufacturers, specifications, BIM families and CAD details.

DRAFTING SERVICES

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

ToolBase is the home building industry

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

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.

Environmental Expert is a global environmental industry marketplace and information resource. Online product catalogs, news, articles, events, publications, jobs & more.

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...

R.D. Bitzer RELIABLE DISTRIBUTION OF MECHANICAL EQUIPMENT

Darco manufactures Underground water tanks for applications such as Rain Harvesting, Storm Water Detention, Thermal Storage, Fire Cisterns, Fire Sprinkler Reservoirs, Gray Water Reclamation, Potable Water, Sewage and Wastewater, Landscape Irrigation,...