Scales License

If you use any type of scale during the gem show, all scales must be approved & licensed by the State of Arizona. To obtain the license form and a partial list of Arizona approved scales go to:

All scales must be approved & licensed or they can be CONFISCATED!!

If you have any questions about your scales you may contact the Arizona Department of Weights and Measures directly at 800-277-6675 Ext. 9937 or 602-255-5211 or you can email Dennis Ehrhart at Please be patient if you do not hear back from them right away. There are only a small number of inspectors for the entire state of Arizona.

Contact Us:

Address: 3750 E. Irvington Rd., Tucson, AZ 85714
Billing Agent: 650 South Hill Street, Suite 513
Los Angeles, CA 90014, USA
Phone: (213) 629-3030
Fax: (213) 629-3434
Toll Free: 1-877-GEM-SHOW

JOGS Show:

JOGS International Exhibits, LLC
3750 E.Irvington Road
Tucson, AZ 85714