NAICS 212311: Dimension Stone Mining and Quarrying
National industry
SBA small business size standard: 500 employees
Code facts
- Part of
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21
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212
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2123
- 21231
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2123
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212
-
21
- Contract awards
- 4 In the last 12 months
- Contract obligations
- $7,498,325 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $1,435,190 |
| FY2025 | $7,498,325 |
| FY2024 | $4,368,110 |
| FY2023 | $648,253 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Flatwater Professional Services Company | $764,400 | |
| 2 | American Classic Construction Inc. | $201,480 | |
| 3 | Dennis Kirby | $194,000 | |
| 4 | Tennessee Marble Company | $149,100 | |
| 5 | Koman Advantage LLC | $126,210 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $890,610 | |
| 2 | Department of the Interior | $201,480 | |
| 3 | Department of Agriculture | $194,000 | |
| 4 | National Gallery of Art | $149,100 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 5610 Mineral Construction Materials, Bulk | $1,435,190 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Nebraska | $764,400 | |
| 2 | California | $395,480 | |
| 3 | Tennessee | $149,100 | |
| 4 | Louisiana | $126,210 |
Contract opportunities
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Latest 50 of 143 listed here. See the rest on GovTribe.
Definition
This U.S. industry comprises establishments primarily engaged in developing the mine site and/or mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone).
Illustrative examples
- Argillite mining or quarrying
- Basalt mining or quarrying
- Bluestone mining or quarrying
- Calcareous tufa mining or quarrying
- Diabase mining or quarrying
- Dimension stone mining or quarrying
- Diorite mining or quarrying
- Dolomite mining or quarrying
- Dolomitic marble mining or quarrying
- Flagstone mining or quarrying
- Gabbro mining or quarrying
- Gneiss mining or quarrying
- Granite mining or quarrying
- Greenstone mining or quarrying
- Limestone mining or quarrying
- Marble mining or quarrying
- Mica schist mining or quarrying
- Onyx marble mining or quarrying
- Quartzite dimension stone mining or quarrying
- Sandstone mining or quarrying
- Schist, mica, mining or quarrying
- Serpentine mining or quarrying
- Slate mining or quarrying
- Stone, dimension, mining or quarrying
- Syenite (except nepheline) mining or quarrying
- Trap rock mining or quarrying
- Travertine mining or quarrying
- Tufa, calcareous, mining or quarrying
- Verde' antique mining or quarrying
- Volcanic rock, mining or quarrying
Show all 30
Quick answers
What is NAICS 212311?
NAICS 212311 is Dimension Stone Mining and Quarrying, a national industry in NAICS 21, Mining, Quarrying, and Oil and Gas Extraction.
What is the NAICS code for slate mining or quarrying?
The NAICS code for slate mining or quarrying is 212311, Dimension Stone Mining and Quarrying.
What is the NAICS code for basalt mining or quarrying?
The NAICS code for basalt mining or quarrying is 212311, Dimension Stone Mining and Quarrying.
What is the NAICS code for gabbro mining or quarrying?
The NAICS code for gabbro mining or quarrying is 212311, Dimension Stone Mining and Quarrying.
How much do federal agencies spend under NAICS 212311?
Federal contracts under NAICS 212311 obligated $7,498,325 in fiscal year 2025 and $13,949,878 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 212311?
The contractors with the most obligated under NAICS 212311 in fiscal years 2026 and 2027 are Flatwater Professional Services Company ($764,400), American Classic Construction Inc. ($201,480) and Dennis Kirby ($194,000).
Which agencies buy the most under NAICS 212311?
The agencies that obligated the most under NAICS 212311 in fiscal years 2026 and 2027 are Department of the Army ($890,610), Department of the Interior ($201,480) and Department of Agriculture ($194,000).
Which PSC codes are used with NAICS 212311?
The PSC codes with the most obligated under NAICS 212311 in fiscal years 2026 and 2027 are 5610 Mineral Construction Materials, Bulk.
Where is the work under NAICS 212311 performed?
By place of performance, the states with the most contract obligations under NAICS 212311 over the last 12 months are Nebraska ($764,400), California ($395,480) and Tennessee ($149,100).
What is the latest contract opportunity under NAICS 212311?
The latest contract opportunity under NAICS 212311 is FY 26 ORV ramp shell order, award notice from Southeast Region (NPS), posted September 22, 2026.
On GovTribe
See everything under NAICS 212311
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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