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AAA PRECIOUS METALS, 9908 SE ASH STREET, PORTLAND, OR 97216; (503)253-8591; (800) 356-1423. |
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COPPER STATE ANALYTICAL LAB (CSAL INC), 1050 SPIRE DR UNIT I, PRESCOTT, AZ 86305; (928)443-5227. |
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DAVID H FELL & COMPANY INC, REFINING & ASSAYING , PO BOX 910952, LOS ANGELES, CA, 90091-0952; (800)822-1996. Assaying, refining, purchasing exchange. |
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DR. JOSEPH L. THOMAS, (714)524-8110. |
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NATIONAL TESTING STANDARDS INC, 877 S ROSE PLACE, ANAHEIM, CA 92805; (714)991-5520. |
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PETER McLAUGHLIN, ASSAYER, 223 W PERDEW, RIDGECREST, CA, 93555; (760)793-0229. |
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PRECIOUS METALS OF ARIZONA, INC, 2470 N. JACK RABBIT AVE., TUCSON, AZ 85745; (520) 622-8375. Purchasing exchange, refining. |
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RARE METALS LLC, 76161 BASELINE RD, TWENTYNINE PALMS, CA 92277; (760) 221-2596. |
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SOUTHERN SPECTROGRAPHIC LABORATORY, 3608 CONFLANS RD, IRVING, TEXAS 75061; (972)986-1745. |
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SUPER FINE GOLD RECOVERY SERVICE, (808)276-3939. State-of-the-art equipment for hard-to-recovery gold ores. |
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XPRESS XRF ANALYSIS, (805) 296-3683. Material identification by x-ray fluorescence.  |
