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

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Anvil International is the largest and most complete manufacturer of pipe fittings and pipe hangers and supports in the world.

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!

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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...

A large number of free CAD module download, and libraries, autocad drawing and files, dwg, Free 3d model download, 3d design

USP Structural Connectors, designer and manufacturer of a full range of joist hangers and other framing connectors for wood-to-wood and wood-to-concrete applications for high wind resistance, earthquake resistance, engineered lumber, plated truss, gl...

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ClipCAD is currently building a library of autocad detail dwg files that will be available to download for free.

1-800-398-4147 Unistrut Service Company of Ohio stocks genuine Unistrut metal framing products; design, engineering, & installation also available.

Piping Technology & Products Custom engineered pipe supports, pipe hangers, expansion joints, pre-insulated supports, slide plates and snubbers, as well as other various pipe support products. PT&P strives to satisfy each customer