Images SI Inc.
39 Seneca Loop
Staten Island NY 10314
Phone: (718) 698-8305
Fax: (718) 982-6145
ImagesSI@verizon.net
http://www.imagesco.com/catalog/geiger/counter.html
GCA-03 Digital Geiger Counter
GCK-01/GCA-01 Geiger Counter
GCK-03/4 Geiger Counter