Mine · Platte County, Missouri, United States
Buildex
Buildex is a mine in Platte County, Missouri, United States, owned by Martin Marietta Materials Inc.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Name in the source | BUILDEX | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Location | Platte County | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Status | Operating (active) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Commodities | shale (mainly shale) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | Martin Marietta Materials Inc (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Martin Marietta Materials Inc | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 25 people (annual average, in 2025) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Mine type | Surface | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Coordinates | 39.5297, -94.7978 | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
Research on this mine and its owner.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the owner.
Request researchHow its owner compares
Martin Marietta Materials Inc owns 29 of the 2,675 mines in the United States in our data with a named owner; 3 owners have more. Counts cover the mines in our data that name an owner, holder or operator; an asset with several owners counts for each.
| Owner in United States | Rank | Mines | Share |
|---|---|---|---|
| Alpha Metallurgical Resources Inc | 1st | 56 | 2.1% |
| Sev.en Global Investments a.s. | 2nd | 50 | 1.9% |
| Rosebud Mining Company | 3rd | 40 | 1.5% |
| Martin Marietta Materials Inc | 4th | 29 | 1.1% |
| Metinvest B V | 4th | 29 | 1.1% |
Nearby
Within 50 km of this mine: 12 data centers (1 operating, 105 MW) and 3 power plants (2 operating, 2,294 MW), measured from the coordinates in the facts above. The table shows the nearest 6, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Iatan | Power plant | 1,754 MW | Operating | 18 km |
| Data center, Platte County (OSM way 195169261) | Data center | — | — | 27 km |
| Black Rock Financial Management | Data center | — | — | 28 km |
| Data center, Platte County (OSM way 195165354) | Data center | — | — | 28 km |
| Turney Energy Center | Power plant | 419 MW | Under construction | 39 km |
| Northeast (MO) | Power plant | 540 MW | Operating | 50 km |
Owner, operator and place
More from Martin Marietta Materials Inc
Other mines in Missouri
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.