A website and CDROM publishing company specializing in human factors for interface design, usability and usage studies, navigation and information architecture - directly for clients or through larger companies. Located in Canada.

User experience consulting. Including articles and news about Web usability. From Denmark.

Listing of UK academic and commercial consultants in Human-Computer Interaction, providing initial contact information for prospective clients seeking experts within this field.

Experts in user interface design for applications and other web-based products. Located in California, USA.

Usability and User Interface Designers. Located in New York, USA.

Offers services and research in the field of usability engineering and user interface design in Vienna Austria.

A user experience consultancy offering research, testing and design expertise to develop interactive applications. Located in Illinois, USA.

Provides research, workshops, and consulting for improving the user experience of web sites and interactive applications. Located in New York, USA.

A software development and professional services organization with expertise in graphical user interface (GUI) design and usability. Located in California, USA.

Offers a tool to record the position of every click on a web page, creating a virtual heat map of visitor activity. Includes details of benefits and how it works, together with a free demonstration.