NAICS 21231: Stone Mining and Quarrying
NAICS industry
Code facts
- Part of
-
-
21
-
212
- 2123
-
212
-
21
- Codes under it
- 4
- Contract awards
- 120 In the last 12 months
- Contract obligations
- $42,692,129 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 | $32,128,401 |
| FY2025 | $42,692,129 |
| FY2024 | $33,007,772 |
| FY2023 | $34,564,387 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | FPA Pacific Corp. | $11,072,965 | |
| 2 | Crowley Holdings LLC | $4,588,048 | |
| 3 | Skagit Aggregates LLC | $1,226,919 | |
| 4 | Govlink LLC | $1,212,435 | |
| 5 | American Classic Construction Inc. | $1,089,771 | |
| 6 | Giving Tree Capital, LLC | $925,627 | |
| 7 | Rogers Brothers Land Clearing LLC | $877,955 | |
| 8 | CF Padilla LLC | $799,771 | |
| 9 | Flatwater Professional Services Company | $764,400 | |
| 10 | J J Excavation Inc. | $622,321 |
See the full FY2025 ranking of NAICS 21231 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Interior | $11,363,389 | |
| 2 | Air Force | $11,351,587 | |
| 3 | Department of the Army | $6,504,261 | |
| 4 | Department of Agriculture | $2,372,413 | |
| 5 | Department of Veterans Affairs | $248,062 | |
| 6 | National Gallery of Art | $149,100 | |
| 7 | Department of the Navy | $139,589 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 5610 Mineral Construction Materials, Bulk | $21,872,638 | |
| 2 | 5680 Miscellaneous Construction Materials | $8,001,553 | |
| 3 | F099 Other Natural Resources and Conservation Services | $810,270 | |
| 4 | 3820 Mining, Rock Drilling, Earth Boring, and Related Equipment | $755,784 | |
| 5 | M1KZ Operation of Other Conservation and Development Facilities | $306,400 | |
| 6 | 5860 Stimulated Coherent Radiation Devices, Components, and Accessories | $196,589 | |
| 7 | 9620 Minerals, Natural and Synthetic | $51,472 | |
| 8 |
Z1LB Maintenance of Highways/ |
$50,000 | |
| 9 | 5345 Disks and Stones, Abrasive | $43,315 | |
| 10 | 6810 Chemicals | $40,379 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Northern Mariana Islands | $11,072,965 | |
| 2 | Montana | $3,482,519 | |
| 3 | Washington | $3,136,049 | |
| 4 | Florida | $1,752,831 | |
| 5 | New Mexico | $1,601,145 | |
| 6 | Oregon | $1,432,516 | |
| 7 | North Carolina | $1,212,435 | |
| 8 | California | $1,205,712 | |
| 9 | Colorado | $993,113 | |
| 10 | Missouri | $776,605 | |
| 11 | Nebraska | $764,400 | |
| 12 | Minnesota | $445,325 | |
| 13 | New York | $406,350 | |
| 14 | Kentucky | $367,981 | |
| 15 | Mississippi | $349,999 | |
| 16 | Texas | $347,407 | |
| 17 | Wisconsin | $340,253 | |
| 18 | Utah | $331,669 | |
| 19 | Pennsylvania | $329,154 | |
| 20 | Nevada | $328,420 | |
| 21 | Idaho | $261,815 | |
| 22 | Louisiana | $250,943 | |
| 23 | Tennessee | $196,980 | |
| 24 | West Virginia | $177,324 | |
| 25 | Ohio | $136,189 | |
| 26 | Maine | $111,790 | |
| 27 | Georgia | $100,712 | |
| 28 | Wyoming | $88,657 | |
| 29 | Arkansas | $67,138 | |
| 30 | Illinois | $63,316 | |
| 31 | Oklahoma | $29,676 | |
| 32 | Indiana | $126 |
Show all 32
Shares are of everything obligated under NAICS 21231 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 2,254 listed here. See the rest on GovTribe.
Codes under 21231
| NAICS code | Size standard |
|---|---|
| 212311 Dimension Stone Mining and Quarrying | 500 employees |
| 212312 Crushed and Broken Limestone Mining and Quarrying | 750 employees |
| 212313 Crushed and Broken Granite Mining and Quarrying | 850 employees |
| 212319 Other Crushed and Broken Stone Mining and Quarrying | 550 employees |
Definition
This industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone), or mining and quarrying crushed and broken stone and/or (2) preparation plants primarily engaged in beneficiating stone (e.g., crushing, grinding, washing, screening, pulverizing, and sizing).
Quick answers
What is NAICS 21231?
NAICS 21231 is Stone Mining and Quarrying, a NAICS industry in NAICS 21, Mining, Quarrying, and Oil and Gas Extraction.
What codes are under NAICS 21231?
NAICS 21231 has 4 codes under it with their own GovTribe pages, including 212311 Dimension Stone Mining and Quarrying, 212312 Crushed and Broken Limestone Mining and Quarrying and 212313 Crushed and Broken Granite Mining and Quarrying.
How much do federal agencies spend under NAICS 21231?
Federal contracts under NAICS 21231 obligated $42,692,129 in fiscal year 2025 and $142,392,688 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 21231?
The contractors with the most obligated under NAICS 21231 in fiscal years 2026 and 2027 are FPA Pacific Corp. ($11,072,965), Crowley Holdings LLC ($4,588,048) and Skagit Aggregates LLC ($1,226,919).
Which agencies buy the most under NAICS 21231?
The agencies that obligated the most under NAICS 21231 in fiscal years 2026 and 2027 are Department of the Interior ($11,363,389), Air Force ($11,351,587) and Department of the Army ($6,504,261).
Which PSC codes are used with NAICS 21231?
The PSC codes with the most obligated under NAICS 21231 in fiscal years 2026 and 2027 are 5610 Mineral Construction Materials, Bulk; 5680 Miscellaneous Construction Materials; and F099 Other Natural Resources and Conservation Services.
Where is the work under NAICS 21231 performed?
By place of performance, the states with the most contract obligations under NAICS 21231 over the last 12 months are the Northern Mariana Islands ($11,072,965), Montana ($3,482,519) and Washington ($3,136,049).
What is the latest contract opportunity under NAICS 21231?
The latest contract opportunity under NAICS 21231 is Base Course, solicitation from MICC Fort Drum, posted October 15, 2026.
On GovTribe
See everything under NAICS 21231
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code