| Business | Phone |
| Asarco 55 E Helen St, Tucson 85705 | (520) 623-1262 |
| Barrick Gold Corp 7493 N Oracle Rd # 225, Tucson 85704 | (520) 297-8386 |
| Deger Associates Inc 5818 N Camino Esplendora, Tucson 85718 | (520) 299-5455 |
| Sierra Mining & Crushing 8665 S Alvernon Way, Tucson 85706 | (520) 574-3814 |
| Ron Coleman Mining Inc 1635 N Oracle Rd, Tucson 85705 | (520) 770-1730 |
| S & S Intl Mining 2388 W La Cresta Rd, Tucson 85742 | (520) 622-8283 |
| Peter Megaw Imdex 5800 N Camino Escalante, Tucson 85718 | (520) 529-2231 |
| Phelps Dodge Intl Exploration 10861 N Mavinee Dr # 163, Tucson 85737 | (520) 887-7262 |
| North Star Intl 2034 E 17th St, Tucson 85719 | (520) 622-7761 |
| Liberty Star Gold 2766 N Country Club Rd, Tucson 85716 | (520) 731-8786 |
| Lixusgold.Com 720 E Placita Del Mirador, Tucson 85718 | (520) 571-9126 |
| Loren International Llc 231 W Giaconda Way, Tucson 85704 | (520) 327-6171 |