Be sure to review the BLM report on assayers on our Additional Resources page if you're considering getting your samples tested.

A & B PROSPECTING SUPPLIES, 3929 E MAIN ST #32, MESA, AZ 85205; (480)832-4524 Complete line of assaying and smelting supplies in stock.

AAA PRECIOUS METALS, 9908 SE ASH STREET, PORTLAND, OR 97216; (503)253-8591; (800) 356-1423; FAX (503) 253-8609. Assayers & Refiners of Gold, Silver, & Platinum; jewelry, bullion.

ACTION MINING SERVICES, 37482 RUBEN LN., SANDY, OR 97055; (800)624-1511 fax:(800)711-7807 e-mail: email  Assaying; assaying/leaching/milling equipment and supplies.

ASSET EXCHANGE LTD, 3430 E BROADWAY, PHOENIX, AZ 85040-2832; Toll Free (888)437-1187;(602)437-1188; fax (602)437-3884; email: email Metal recovery systems, filter presses, impact mills, furnaces, concentrators, tables, assay supplies.

BUTLER LAB, (760) 379-3330 email: email  Assaying information, videos & manuals.

DAVID H. FELL & COMPANY, INC. REFINING & ASSAYING., PO BOX 910952, LOS ANGELES, CA, 90091-0952; (800)822-1996 FAX:(213)722-6567 e-mail: email  Assaying, refining, purchasing exchange.

DFW REFINERY & PRECIOUS METALS, 214-649-3300 OR 877-262-5544. Fast settlements, top prices, any amount.

NATIONAL TESTING STANDARDS INC, 877 S ROSE PLACE, ANAHEIM, CA 92805; (714)991-5520. Mineral analysis, fire assay, atomic absorption, spectrographic emission.

PETER McLAUGHLIN, ASSAYER, 223 W. PERDEW, RIDGECREST, CA,93555; (760)793-0229; email  Assaying.

PRECIOUS METALS OF ARIZONA, INC., 2470 N. JACK RABBIT AVE., TUCSON, AZ 85745; (520) 622-8375, fax (520) 622-1612.  Purchasing exchange, refining.

RARE METALS LLC, 76161 BASELINE RD, TWENTYNINE PALMS, CA 92277; (760) 221-2596. Assaying, consulting, concentration testing, etc.

REED LABORATORIES, 3355 LINCOLN ST, CARLSBAD, CA 92008; (760)720-0427. Assays, spectrographic & fire.

SOUTHERN SPECTROGRAPHIC  LABORATORY, 3608 CONFLANS RD, IRVING, TEXAS 75061; (972) 986-1745; FAX (972)399-1828; southernspeclab@verizon.net

DR. JOSEPH L. THOMAS, (714) 524-8110.  Analysis, problem ores, black sands.