TT Electronics
UK based manufacturer offers design, layout, prototyping and production. Description of capabilities and line equipment.
http://www.ttems.com

LSO Layout Service Oldenburg
Herstellung von Leiterplatten, Layouts und Entwicklungen aller Art.
http://www.lso.de/

Layout Manager Launch
A collection of layout managers
http://www.softbear.com/people/larry/javalm.htm

Design Workshop Technologies Inc.
Design Workshop Technologies develops computer aided design software for various microfabrication industries such as microelectronics, photonics, sensors, electronic components, etc. Our Design Automation software is used by engineers worldwide to create a variety of micro-devices such as integrated circuits (IC), RFIC/MMIC, planar lightwave circuits, MEMS, disk heads, imaging sensors, etc. Design Workshop Technologies' physical layout software products are particularly well suited for all aspects of device layout, physical verification and mask preparation.
http://www.designw.com

HtmlLayout
Layout Manager that gets the layout and resize behaviors for components from an html-like syntax. [Open Source, LPGL]
http://braindamage.org/htmllayoutdocs/

STX Cadware Inc.
STX Cadware, Inc. home web site
http://www.stxcadware.com/

Java AWT Layout Management
Java AWT Layout Management; ACM Crossroads
http://www.acm.org/crossroads/xrds5-1/ovp51.html

Layout Management
An overview of layout managers in Sun JFC/Swing.
http://java.sun.com/docs/books/tutorial/uiswing/learn/

Praegitzer Industries Inc.
TTM Technologies is a leading independent supplier of time-critical, technologically advanced printed circuit boards to original equipment manufacturers and electronic manufacturing services companies.
http://www.pii.com/

CCVisu: A Tool for Force-Directed Graph Layout
CCVisu is a light-weight Java tool for force-directed graph layout and visual clustering. The layout is minimized using the algorithm of Barnes and Hut, and several energy models are supported. The resulting layouts are provided in text format, as VRML or SVG, or displayed on the screen.
http://mtc.epfl.ch/~beyer/CCVisu/