| BHP Billiton Ltd. |
586 |
| Chesapeake Energy Corporation |
464 |
| Metso Corporation |
446 |
| Rio Tinto plc |
319 |
| Freeport-McMoRan Copper |
270 |
| Peabody Energy Corporation |
238 |
| CEMEX USA, Inc. |
218 |
| Newmont Mining Corporation |
191 |
| Vale Inco |
181 |
| Alpha Natural Resources, LLC |
171 |
| Barrick Gold Corporation |
166 |
| Baker Atlas Wireline Svc |
164 |
| Arch Coal, Inc. |
164 |
| Teck Cominco Limited |
145 |
| Noble Corporation |
123 |
| Drummond Company, Inc. |
115 |
| Joy Global Inc. |
114 |
| Tarmac Topfloor |
113 |
| Cliffs Natural Resources Inc. |
101 |
| Massey Energy Company |
99 |
| Minerals Technologies Inc. |
97 |
| Luck Stone Corporation |
97 |
| Anglo American PLC |
94 |
| Unimin Corporation |
88 |
| Kinross Gold Corporation |
83 |
| ASARCO LLC. |
81 |
| SRK Consulting Limited |
80 |
| Petrobras-USA |
75 |
| Oxbow Corporation |
74 |
| Rogers Group, Inc. |
71 |
| Parker Drilling Company |
69 |
| Kennecott Utah Copper Corporation |
65 |
| OZ Minerals |
65 |
| Alliance Resource Partners, L.P. |
64 |
| Cold Spring Granite Company Inc. |
61 |
| Walter Energy, Inc. |
61 |
| Omya Croxton & Garry Ltd |
60 |
| Precision Drilling Corporation |
58 |
| US Silica |
55 |
| AMCOL International |
53 |
| Graymont, Inc. |
53 |
| Eastern Industries Inc. |
50 |
| Salt River Materials Group |
50 |
| Agstar Financial Services, ACA |
49 |
| Veyance Technologies, Inc. |
49 |
| Elgin National Industries, Inc. |
48 |
| CALGON CARBON |
46 |
| Iron Ore Company |
45 |
| Doyon, Limited |
45 |
| Layne Christensen Company |
44 |
| Quadrem |
43 |
| Plains Midstream Canada (Nova Scotia Company) |
43 |
| Enterprise plc |
43 |
| The North American Coal Corporation |
42 |
| Coeur d'Alene Mines Corporation |
41 |
| Lorne Stewart plc |
40 |
| Grey Wolf, Inc. |
38 |
| International Coal Group |
38 |
| Global Geophysical Services Inc. |
38 |
| Breakwater Resources Ltd. |
36 |
| NACCO Industries, Inc. |
35 |
| Coffey International Limited |
35 |
| AngloGold Ashanti Limited |
32 |
| Celanese Acetate, LLC |
30 |
| F Hinds Limited |
30 |
| Patriot Coal Corporation |
28 |
| American Colloid Company |
27 |
| Shelly Materials, Inc |
27 |
| Scientific Drilling Intl |
25 |
| Prospectors and Developers Association of Canada |
25 |
| Resolution Copper Mining |
25 |
| American Gypsum Company, Inc. |
24 |
| Southern Clay Products |
24 |
| Carlson Software, Inc. |
24 |
| Black Stone Minerals Company, L.P. |
24 |
| Gibbs Die Casting Corporation |
23 |
| Westmoreland Coal Company |
23 |
| Compagnie Miniere Quebec |
23 |
| Anthony Gold Solicitors |
23 |
| John Doyle Construction Ltd |
23 |
| Simons Construction Limited |
23 |
| Exploration Consultants Ltd |
22 |
| Five States Energy Co LLC |
22 |
| NorWest Corporation |
22 |
| Anvil Mining Limited |
22 |
| ArrMaz Custom Chemicals |
22 |
| Indel-Davis Inc |
21 |
| Erachem Comilog |
20 |
| J S Redpath Corp |
20 |
| Hecla Mining Company |
19 |
| Cadre Services |
19 |
| NEWCREST MINING LIMITED |
19 |
| Unipath Diagnostics Co. |
19 |
| Clean Earth Inc. |
18 |
| Ontario Service Safety Alliance |
18 |
| National Mining Association |
18 |
| Cleveland Potash Ltd |
18 |
| IAMGOLD Corporation |
17 |
| Steel Manufacturers Association |
17 |
| Quadra Mining Ltd. |
17 |
| Linco Electromatic |
17 |
| Windsor Salt |
17 |
| Cal west seeds |
17 |
| BEMAX RESOURCES LIMITED |
17 |
| Tortoise Capital Advisors, L.L.C. |
17 |
| MOUNT ISA HOLDINGS (UK) LIMITED |
17 |
| McIntosh Engineering, Inc. |
16 |
| Test Automation |
16 |
| Searles Valley Minerals |
16 |
| Ogilvie Homes Ltd |
16 |
| Trans-siberian Gold Plc |
16 |
| FESCO, Ltd. |
15 |
| Independent Mining Consultants, Inc. |
15 |
| Sterling Siesmic Svc |
15 |
| Wagner & Brown |
15 |
| Enersul Inc |
15 |
| Twist Inc. |
15 |
| AUSDRILL LIMITED |
15 |
| INCITEC PIVOT LIMITED |
15 |
| Kazakhmys Plc |
15 |
| AW Construction plc |
15 |
| SEMAFO Inc. |
14 |
| Cowin |
14 |
| Applied Hydrology International |
14 |
| Maine Drilling and Blasting |
14 |
| Newpark Canada |
14 |
| Maschmeyer Concrete Company |
14 |
| Instrument & Supply Inc |
14 |
| Asteron |
14 |
| MINARA RESOURCES LIMITED |
14 |
| Anglo Coal Australia Pty Ltd |
14 |
| Coad |
14 |
| Planned Maintenance Engineering Ltd |
14 |
| THE NATIONAL CHILDBIRTH TRUST |
14 |
| Platinum Bank |
14 |
| Canadian Superior Energy Inc. |
13 |
| Badger Mining Corp |
13 |
| Wet Tech Energy |
13 |
| Beta Steel Corp |
13 |
| Voss Industries |
13 |
| Pounding Mill Quarry Corp |
13 |
| FORTESCUE METALS GROUP LTD |
13 |
| MOUNT GIBSON IRON LIMITED |
13 |
| PORTMAN LIMITED |
13 |
| TERRITORY RESOURCES LIMITED |
13 |
| Antofagasta PLC |
13 |
| Polaris Mineral Corporation |
13 |
| Marubeni (Europe) plc |
13 |
| MIDLAND QUARRY PRODUCTS LIMITED |
13 |
| EPS Plc |
13 |
| Katanga Mining Ltd. |
13 |
| Ricochet Limited |
13 |
| Oro Gold Resources Limited |
13 |
| Parallel Petroleum Corporation |
12 |
| Black Castle Surface Mine |
12 |
| Production Management Ind |
12 |
| VistaComm |
12 |
| AMMTEC |
12 |
| Abitibi Geophysics |
12 |
| GINDALBIE METALS LTD |
12 |
| MINERAL DEPOSITS LIMITED |
12 |
| Cotter |
12 |
| Natural Industries Inc |
12 |
| COGENT SSC LIMITED |
12 |
| Alexis Minerals Corporation |
12 |
| Copper Mountain Mining Corporation |
12 |
| UNITED CENTRAL INDUSTRIAL SUPPLY |
12 |
| The Gemmological Association of Great Britain |
12 |
| Paladin Energy Ltd |
12 |
| PanAust Limited |
12 |
| Specialist Agency Services Ltd |
12 |
| UNITED COAL COMPANY |
12 |
| Sand Castle Realty Group, Inc |
12 |
| Bright |
11 |
| Marston & Marston Inc. |
11 |
| Knott County Coal Corp |
11 |
| Mewbourne Oil Co |
11 |
| Port Aggregates |
11 |
| Tricon Geophysics Inc |
11 |
| Polydeck Screen Corp |
11 |
| Robinson Foundry Inc |
11 |
| Bothe Associates Inc |
11 |
| ALBIDON LIMITED |
11 |
| CBH RESOURCES LIMITED |
11 |
| COMPASS RESOURCES NL |
11 |
| INDOPHIL RESOURCES NL |
11 |
| SINO GOLD MINING LIMITED |
11 |
| ZIMPLATS HOLDINGS LIMITED |
11 |
| Mission Elementary School |
11 |
| Premier Bank |
11 |
| Riverstone Group Inc |
11 |
| Firestone Diamonds plc |
11 |
| Avilion |
11 |
| WBB Minerals UK |
11 |
| OutSource Seismic |
11 |
| Association for Mineral Exploration British Columbia |
11 |
| JOSEPH ASH LTD |
11 |
| Olympus Pacific Minerals Inc. |
11 |
| Centerra Gold Inc. |
10 |
| Dundee Precious Metals Inc. |
10 |
