HEATKEYS

Simpson Strong-Tie - structural connectors, shearwalls, anchors, fastening systems, and seismic testing for stronger and safer wood and steel construction.

Hilti is a global leader of value-added, top-quality products for professional customers in the construction and building maintenance industries.

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

Autodesk Seek is the online source for product specifications and models for use in Revit, Autocad, 3ds Max, Maya and other CAD applications

Specializing in airborne noise control, structure-borne vibration isolation, seismic and wind restraint, floating floor systems, industrial noise and vibration control, environmental noise control, community noise control, and acoustical wall treatme...

Axiomcpl is a leader in providing the highest quality content and definitions for DWG AutoCAD structural details & DWG AutoCAD structural blocks for structural systems.

Rooftop Anchor engineers, manufactures, and installs fall protection and fall arrest systems for commercial rooftop and industrial applications.

With both the Chance® and Atlas® brands, Chance Civil Construction is the international leader in earth anchoring. Chance Helical Piles and Atlas Resistance® Piers are used worldwide to secure residential and commercial buildings, tower foundation...

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!

Autodesk User Group International (AUGI) discussion forums.

Portland Bolt manufactures and stocks both black and galvanized anchor bolts and construction fasteners to ASTM specifications for quick delivery.