| Rank |
Company |
Revenue
($ millions) |
Assets |
| # 1 |
MDU Resources Group Inc. |
4,462 |
7,061 |
| # 2 |
Vulcan Materials Company (Holding Company) |
2,771 |
8,259 |
| # 3 |
Martin Marietta Materials Inc. |
2,156 |
3,260 |
| # 4 |
Centrus Energy Corp. |
1,308 |
1,706 |
| # 5 |
COMPASS MINERALS INTERNATIONAL INC |
1,130 |
1,405 |
| # 6 |
Amcol International Corp |
1,013 |
879 |
| # 7 |
Emerge Energy Services LP |
873 |
323 |
| # 8 |
NEW ENTERPRISE STONE & LIME CO., INC. |
759 |
785 |
| # 9 |
U.S. Silica Holdings Inc. |
546 |
863 |
| # 10 |
SISECAM RESOURCES LP |
442 |
442 |
| # 11 |
Hecla Mining Company |
383 |
2,232 |
| # 12 |
Intrepid Potash Inc |
336 |
1,175 |
| # 13 |
United States Lime & Minerals Inc. |
134 |
188 |
| # 14 |
LKA GOLD Inc /DE/ |
1 |
1 |
| # 15 |
Atlas Lithium Corporation |
1 |
1 |
| # 16 |
Applied Minerals, Inc. |
0 |
15 |
| # 17 |
American Battery Technology Company |
|
0 |
| # 18 |
Passport Potash Inc |
|
3 |
| # 19 |
Premier Product Group, Inc. |
|
0 |
| # 20 |
Li3 Energy Inc |
|
17 |
| # 21 |
Sterling Group Ventures Inc |
|
5 |
| # 22 |
Terrace Ventures Inc |
|
0 |
| # 23 |
Force Minerals Corp |
|
2 |
| # 24 |
Hi-Crush Inc. |
|
38 |
| # 25 |
NAMI Corp. |
|
0 |
| # 26 |
Goldfields International Inc |
|
0 |
| # 27 |
American Clean Resources Group, Inc. |
|
35 |
| # 28 |
AYERS EXPLORATION INC. |
|
0 |
| # 29 |
AMERICAN BATTERY MATERIALS, INC. |
|
0 |