McGill Center for Intelligent Machines Haptics Laboratory works on the engineering and design of interfaces that use touch during interaction with information systems.

The haptics community web pages have a good selection of research papers, particularly on hardware. The page does not seem to be maintained however.

Doctoral research paper looking into the way our spatial cognition, the way we process and negotiate space, is mediated by touch.

From Sci.virtual worlds newsgroup.

Immersion Corporation's Force Feedback systems. Immersion makes the haptic mouse, high quality haptic joysticks and a haptic laparoscopic surgery simulation device.

Offers devices for high-end applications and research, as well as custom solutions for the industry.