Advance Steel - 3D modeling software for steel detailing

Autodsys - Makers of AcceliCAD and other alternative CAD programs using the IntelliCAD engine

Autodesk - Makers of AutoCAD, AutoCAD LT, Revit, Advance Steel, Inventor, and others

Axiom - Microstation and AutoCAD add-ons and converters

Bluebeam - PDF creation, editing, markup, and collaboration software

CADInternational - Various add-ons and extensions to CAD packages

CADalog - AutoCAD tools and add-ons

CADopia - An AutoCAD compatible alternative

DotSoft - AutoCAD tool packs and add-ons including Civil3D tools

Graitec - Original owners of Advance Steel (now owned by Autodesk)

IntelliCAD - A consortium of software developers using a common CAD engine that is DWG based

Software 995 - Not really a CAD product but this suite of products is pretty popular among the CAD community

SSDCP - My buddy Steve Passaly makes an outstanding steel detailing add-on for AutoCAD

StrucSoft - Revit add-ons and some free tools

Tekla - Got a whole lot of money and don't know what to do with it? Buy the most expensive and complicated structural design and detailing software on earth

AUGI - Autodesk User Group International

AutoCAD LT Forum - AUGI's AutoCAD LT forum main page

Autodesk Accounts - The front page for subscription and account sign up or log-in

Autodesk Education Community - The place to go to get student copies of Autodesk products

Autodesk Forums - The front page to all of the Autodesk product forums

Autodesk University - Classes and seminars about Autodesk products

Brian Curran Drafting - Drafting services in the New York City area

CAD Corner - Free AutoCAD tools, blocks, LISP routines, details, and more

CAD Geek - Donnie Gladfelter's blog is visually striking and quite informative

CAD International - CAD software sales, training, tools, blocks, etc

Cadalyst - Lots of CAD tutorials, reviews, papers, and other resources

GrabCAD - A community featuring Q&A, tutorials, and CAD models

Military CAD Details Library - Your tax dollars paid for these details so why not use them?

Moss Designs - CAD tutorials and custom LISP applications

My CAD Site - Video CAD tutorials

National CAD Standard - Okay you'll either hate this idea or love it but wouldn't it be great if the whole country used the same pen table? This is the standard used by the VA and other Federal government entities

TenLinks - An extensive directory of CAD, CAM, and CAE links

UpFront - An electronic news magazine reporting on the business of CAD

A&D Technical Supply - Omaha, NE & Lincoln, NE

Canon Plotters - Look under "Products" then "Professional & Large Format Printers". Océ plotters are here too

CES Imaging - Sellers of Canon, Epson, HP, KIP, Okidata, and Muratec equipment

DB Reprographics - A nice printer service I've used in Iowa City, IA

DiscoPring - Sells a wide selection of CAD and plotter media and supplies

Franz Reprographics - A reprographics company in Sioux Falls, SD and Minnesota I've used

Iowa Reprographics - A printer service based in Des Moines, IA

Miller IDS - A printing and imaging service with a couple locations in Austin, TX

PlotterPro - Sells wide format printers and scanners in Austin, TX

Standard Digital Imaging - A reprographics company in Omaha, NE