RasterVect Software

The raster to vector conversion program RasterVect allows you to transform scanned raster images into vector format on Windows systems.
http://www.rastervect.com/

Easy Trace

Cartographic raster-to-vector conversion software with tools for topology creation, checking and editing.
http://www.easytrace.com/

GTX Corporation

Tools for cleaning scanned documents for office and engineering purposes, as well as raster conversion software for AutoCAD and DXF.
http://www.gtx.com/

SoftCover International Ltd.

Scan2CAD raster to vector conversion software with OCR text recognition and editing tools.
http://www.softcover.com/

Able Software R2V

Raster to vector conversion software automated map digitizing and GIS data capture applications.
http://www.ablesw.com/r2v/index.html

Trix Systems, Inc.

Products include scanner drivers, viewers, raster to vector and vector to raster conversion, and engineering document management.
http://www.trixsystems.com/

SV ScanRaster

Raster to vector conversion software for converting paper drawings into CAD.
http://www.cadshop.co.uk/scanraster/

Arbor Image Corporation

Draftsman series raster to vector software for standalone operation or as an add-on for AutoCAD.
http://www.arborimage.com/aihome.htm

celinea

CR2V converts raster images to vector graphics and exports into SVG and Postscript.
http://www.celinea.com/

Softelec GmbH

Providers of the HybridCAD software for raster to vector conversion and AutoCAD line tracing.
http://www.softelec.com/

WinTopo

A raster to vector conversion tool supporting several image and CAD/GIS file formats.
http://wintopo.com/softsoft/wintopo/index.htm

AutoTrace

A platform independent program for converting bitmap to vector graphics, distributed for free under the GPL.
http://autotrace.sourceforge.net/

Ravtek Inc.

Ravtek is the maker of Crucible, an automatic raster to vector conversion system.
http://www.ravtek.com/

Consistent Software

Hybrid graphics editing and raster to vector conversion software, as standalone programs and within AutoCAD.
http://www.csoft.com/

RasterTech

OEM supplier of software for direct editing and raster-to-vector conversion of scanned images.
http://www.rastertech.co.uk/

VextraSoft

Vextractor raster to vector conversion tool for CAD and GIS systems.
http://www.vextrasoft.com/

Sinclair Knight Merz

ProVec Color is a raster-to-vector conversion product, with raster editing and transformation modules, compatible with common CAD systems.
http://www.skmconsulting.com/spatial/cadproducts/