Casio, Dover, NJ and Tokyo, Japan

Data Harvest Educational, Buffalo, NY

DCP Microdevelopments, Norfolk, Great Britain

Fourier Systems, Inc., Kingwood, TX and Atlanta, GA

ImagiWorks, Grass Valley and San Mateo, CA

Onset Computer, Bourne, MA

Pasco Scientific, Roseville, CA

Team Labs, Boulder, CO

Texas Instruments, Dallas, TX

Vernier Software & Technology, Beaverton, OR

The Concord Consortium's Probe Sight web site provides a thorough overview of sensor equipment available in the education market today in its Sensor Suppliers/Vendors Index.