B
Copper State Analytical Lab
1050 Spire Drive Ste I, Prescott AZ 86305-6748
(928) 443-5227
Assay lab analyzing for gold, silver, platinum group metals, base metals and minerals. Arizona registered assayers.
N
International Gold Assaying Company, Inc
640 S Hill Street # 258, Los Angeles CA 90014-4038
(213) 629-1171