If you are a commercial organization using our data, we are pleased to be of service. 

However, we require full acknowledgement of the source of the data wherever you use it. 

If you do find it useful, we request a contribution to help defray the expenses of this ongoing data collection and coding effort.

Contact Chris Demchak or Todd La Porte for any questions or other arrangements.

Chris C. Demchak
University of Arizona
(520) 621-7965
(520) 621-4171 fax
demchak@u.arizona.edu

Todd M. La Porte
George Mason University
(703) 993-3351
(703) 993-2250 fax
tlaporte@gmu.edu