| 1 | Nevada Gold Mines LLC | 52 | 5/5 | 5 | 13 | $119,100 |
| 2 | Kennecott Utah Copper LLC | 34 | 5/5 | 5 | 4 | $111,963 |
| 3 | Freeport Minerals Corporation | 29 | 5/5 | 5 | 14 | $105,000 |
| 4 | Freeport-McMoRan Morenci Inc. | 27 | 5/5 | 5 | 5 | $92,700 |
| 5 | Northern Star (POGO) LLC | 16 | 3/5 | 3 | 0 | $109,575 |
| 6 | SRK CONSULTING (U.S.), INC. | 15 | 4/5 | 1 | 2 | $90,833 |
| 7 | ECS Southwest, LLP | 13 | 5/5 | 5 | 1 | $81,500 |
| 8 | Stantec Consulting Services Inc. | 12 | 4/5 | 3 | 2 | $82,401 |
| 9 | Newmont International Services Limited | 12 | 4/5 | 3 | 2 | $161,692 |
| 10 | Freeport-McMoRan Bagdad Inc. | 11 | 4/5 | 4 | 4 | $89,800 |
| 11 | Itasca Consulting Group, Inc. | 11 | 5/5 | 5 | 1 | $86,000 |
| 12 | BHP Minerals Service Company | 11 | 5/5 | 5 | 2 | $143,500 |
| 13 | Resolution Copper Company | 11 | 4/5 | 1 | 2 | $98,925 |
| 14 | Teck Alaska Incorporated | 10 | 5/5 | 5 | 3 | $131,476 |
| 15 | Climax Molybdenum Company | 9 | 5/5 | 5 | 1 | $106,000 |
| 16 | ECS Mid-Atlantic, LLC | 9 | 4/5 | 2 | 1 | $76,184 |
| 17 | Nyrstar Tennessee Mines - Strawberry Plains, LLC | 9 | 4/5 | 2 | 4 | $133,494 |
| 18 | Freeport-McMoRan Safford Inc. | 8 | 5/5 | 5 | 1 | $88,083 |
| 19 | RESPEC, Inc. | 8 | 3/5 | 2 | 1 | $98,759 |
| 20 | WSP USA Inc. | 8 | 4/5 | 3 | 2 | $93,007 |
| 21 | U.S. Borax Inc. | 8 | 3/5 | 2 | 0 | $112,448 |
| 22 | CONOCOPHILLIPS COMPANY | 7 | 3/5 | 1 | 0 | $169,520 |
| 23 | Freeport-McMoRan Chino Mines Company | 7 | 3/5 | 2 | 0 | $86,500 |
| 24 | United Consulting Group Ltd. | 7 | 3/5 | 1 | 1 | $67,600 |
| 25 | Freeport-McMoRan Sierrita Inc. | 6 | 5/5 | 5 | 1 | $100,300 |
| 26 | Haley & Aldrich, Inc. | 6 | 4/5 | 4 | 0 | $99,132 |
| 27 | HALLIBURTON ENERGY SERVICES, INC. | 6 | 4/5 | 1 | 1 | $123,242 |
| 28 | Newmont Cripple Creek & Victor Mining Company | 6 | 3/5 | 1 | 0 | $97,360 |
| 29 | Advanced Mining Professional Services Inc. | 6 | 2/5 | 2 | 0 | $147,500 |
| 30 | Barminco Mining Services USA LLC | 6 | 2/5 | 1 | 0 | $210,000 |
| 31 | ASARCO LLC | 5 | 4/5 | 4 | 1 | $82,014 |
| 32 | Re/Spec, Inc. | 5 | 2/5 | 1 | 0 | $86,008 |
| 33 | Barrick Gold of North America, Inc. | 5 | 3/5 | 1 | 3 | $116,000 |
| 34 | NEVADA COPPER INC. | 5 | 3/5 | 3 | 0 | $125,000 |
| 35 | Rio Tinto Services Inc. | 5 | 4/5 | 4 | 1 | $95,306 |
| 36 | METALLUM GLOBAL LLC | 5 | 1/5 | 1 | 5 | $235,000 |
| 37 | Sibelco North America Inc. | 5 | 2/5 | 2 | 0 | $135,000 |
| 38 | Call & Nicholas, Inc. | 4 | 3/5 | 2 | 1 | $103,522 |
| 39 | Haile Gold Mine, Inc. | 4 | 2/5 | 2 | 3 | $105,275 |
| 40 | Kiewit Engineering Group Inc. | 4 | 3/5 | 1 | 2 | $84,390 |
| 41 | Kiewit Infrastructure Co. | 4 | 3/5 | 1 | 0 | $96,070 |
| 42 | GS Mining Company, LLC | 4 | 2/5 | 1 | 0 | $175,000 |
| 43 | AGAPITO ASSOCIATES, INC. | 3 | 2/5 | 1 | 0 | $95,850 |
| 44 | Concordia Wireless, Inc. | 3 | 2/5 | 2 | 0 | $90,000 |
| 45 | FLORIDA CANYON MINING, INC. | 3 | 3/5 | 2 | 0 | $130,410 |
| 46 | GZA GeoEnvironmental of New York | 3 | 1/5 | 1 | 3 | $117,562 |
| 47 | Mariana Minerals Co. | 3 | 2/5 | 2 | 2 | $170,000 |
| 48 | Nipa Inc. | 3 | 2/5 | 1 | 0 | $81,245 |
| 49 | OYO Corporation, Pacific | 3 | 2/5 | 1 | 1 | $58,739 |
| 50 | Planck Holdings, LLC | 3 | 1/5 | 1 | 0 | $155,133 |
| 51 | Rummel, Klepper & Kahl, LLP | 3 | 2/5 | 1 | 2 | $88,608 |
| 52 | T.M. Kilduff Consulting, Inc. | 3 | 2/5 | 2 | 1 | $107,000 |
| 53 | Weeks Marine, Inc. | 3 | 3/5 | 3 | 1 | $77,275 |
| 54 | CIDRA MINERALS PROCESSING INC. | 3 | 3/5 | 3 | 1 | $135,000 |
| 55 | Pinto Valley Mining Corp. | 3 | 1/5 | 1 | 3 | $131,477 |
| 56 | Nyrstar Tennessee Mines - Gordonsville, LLC | 3 | 2/5 | 2 | 0 | $105,976 |
| 57 | Redpath USA Corporation | 3 | 2/5 | 2 | 0 | $150,426 |
| 58 | SSR Mining Inc. | 3 | 2/5 | 2 | 0 | $280,000 |
| 59 | AECOM Technical Services Inc | 2 | 1/5 | 1 | 0 | $89,515 |
| 60 | Agnico Eagle USA Limited | 2 | 2/5 | 1 | 0 | $125,780 |
| 61 | BBA Consultants International LP | 2 | 1/5 | 1 | 2 | $92,404 |
| 62 | Canary Systems, Inc. | 2 | 1/5 | 1 | 0 | $80,000 |
| 63 | CertainTeed Gypsum Manufacturing, Inc. | 2 | 2/5 | 1 | 0 | $85,500 |
| 64 | Civil & Environmental Consultants, Inc. | 2 | 2/5 | 1 | 1 | $69,000 |
| 65 | ECS Southeast, LLP | 2 | 2/5 | 2 | 0 | $76,000 |
| 66 | Falcon Services, LLC | 2 | 2/5 | 1 | 1 | $97,500 |
| 67 | FLSmidth Inc. | 2 | 2/5 | 1 | 1 | $101,500 |
| 68 | FPA Pacific Corp. | 2 | 1/5 | 1 | 0 | $61,942 |
| 69 | Freeport-McMoRan Tyrone Mining LLC | 2 | 2/5 | 1 | 1 | $97,700 |
| 70 | Fugro USA Marine, Inc. | 2 | 2/5 | 2 | 0 | $79,563 |
| 71 | Gall Zeidler Consultants, LLC | 2 | 1/5 | 1 | 0 | $80,174 |
| 72 | GAPPSI INC | 2 | 2/5 | 1 | 0 | $66,841 |
| 73 | GMS Mine Repair & Maintenance Inc | 2 | 2/5 | 2 | 0 | $84,656 |
| 74 | Hecla Limited | 2 | 2/5 | 1 | 0 | $134,750 |
| 75 | InfoMine USA, Inc. | 2 | 1/5 | 1 | 0 | $71,885 |
| 76 | Jacobs Engineering Group Inc. | 2 | 1/5 | 1 | 0 | $72,000 |
| 77 | James River Slate Company Inc. | 2 | 2/5 | 1 | 0 | $73,778 |
| 78 | KG Mining (Bald Mountain), Inc. | 2 | 2/5 | 2 | 1 | $86,100 |
| 79 | Kiewit Corporation | 2 | 2/5 | 2 | 0 | $96,754 |
| 80 | Kiewit-Shea Constructors, A Joint Venture | 2 | 2/5 | 1 | 0 | $92,920 |
| 81 | Mesabi Metallics Company LLC | 2 | 1/5 | 1 | 2 | $160,000 |
| 82 | Navajo Transitional Energy Company, LLC | 2 | 1/5 | 1 | 2 | $89,474 |
| 83 | Salado Isolation Mining Contractors, LLC | 2 | 1/5 | 1 | 0 | $240,000 |
| 84 | SNF Holding Company | 2 | 2/5 | 2 | 0 | $93,795 |
| 85 | Strata, LLC | 2 | 1/5 | 1 | 2 | $109,000 |
| 86 | The Chemours Company FC, LLC | 2 | 1/5 | 1 | 0 | $99,403 |
| 87 | UNIVERSITY OF KENTUCKY | 2 | 1/5 | 1 | 0 | $72,000 |
| 88 | Vulcan Materials Company | 2 | 2/5 | 1 | 1 | $113,188 |
| 89 | Western Explosives Systems Company | 2 | 2/5 | 2 | 1 | $95,000 |
| 90 | Lhoist North America of Tennessee, LLC | 2 | 1/5 | 1 | 0 | $110,000 |
| 91 | SSR Management, Inc. | 2 | 2/5 | 2 | 1 | $194,009 |
| 92 | Benthic USA LLC | 2 | 1/5 | 1 | 0 | $110,762 |
| 93 | Dynamic Compaction Solutions Inc | 2 | 1/5 | 1 | 0 | $99,341 |
| 94 | Felix Gold Alaska Treasure Creek Inc. | 2 | 1/5 | 1 | 2 | $182,833 |
| 95 | Mining Plus US Corporation | 2 | 2/5 | 1 | 0 | $143,011 |
| 96 | Prostar Mining LLC | 2 | 2/5 | 1 | 1 | $212,640 |
| 97 | Thiess Mining USA Inc. | 2 | 2/5 | 2 | 0 | $100,329 |
| 98 | AB Consultants, Inc. | 1 | 1/5 | 1 | 0 | $76,960 |
| 99 | Agapito Associates, LLC | 1 | 1/5 | 1 | 1 | $115,000 |
| 100 | Aginico Eagle USA Limited | 1 | 1/5 | 1 | 0 | $110,000 |