NAICS Industry Group 2131: Support Activities for Mining
Industry group
Government contracts for this service: PSC F108 Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support and PSC Z2QA Repair or Alteration of Restoration of Real Property (Public or Private)
Code facts
- Part of
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21
- 213
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21
- Codes under it
- 1
- Contract awards
- 233 In the last 12 months
- Contract obligations
- $42,901,607 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $558 |
| FY2026 | $72,891,212 |
| FY2025 | $42,901,607 |
| FY2024 | $78,337,596 |
| FY2023 | $8,486,385 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Promethean Operating I LLC | $28,341,556 | |
| 2 | Olgoonik Oilfield Services, LLC | $23,226,012 | |
| 3 | Chet Morrison Contractors LLC | $7,405,331 | |
| 4 | Parliament LLC | $2,537,990 | |
| 5 | North Wind Site Services LLC | $2,171,514 | |
| 6 | Brice Solutions, LLC | $1,792,498 | |
| 7 | Jordan Modern Oil & Fuel Services LTD. CO. | $1,745,024 | |
| 8 | Hydrocarbon Well Services, Inc. | $723,464 | |
| 9 | Hurst-Rosche, Inc. | $384,596 | |
| 10 | A2D Technologies, Inc. | $341,376 |
See the full FY2025 ranking of NAICS 2131 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Interior | $67,245,533 | |
| 2 | Defense Logistics Agency | $2,059,506 | |
| 3 | Department of State | $1,997,601 | |
| 4 | Department of the Army | $830,496 | |
| 5 | Department of Homeland Security | $241,984 | |
| 6 | Department of the Navy | $201,659 | |
| 7 | Department of Veterans Affairs | $159,551 | |
| 8 | Air Force | $60,219 | |
| 9 | Office of the Secretary of Defense | $51,262 | |
| 10 | Department of Commerce | $48,000 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | F108 Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support | $38,284,877 | |
| 2 | Z2QA Repair or Alteration of Restoration of Real Property (Public or Private) | $27,663,582 | |
| 3 | 9140 Fuel Oils | $1,888,706 | |
| 4 | Z2NE Repair or Alteration of Water Supply Facilities | $790,000 | |
| 5 | 3110 Bearings, Antifriction, Unmounted | $750,790 | |
| 6 | Z1NA Maintenance of Fuel Supply Facilities | $446,246 | |
| 7 | 3120 Bearings, Plain, Unmounted | $411,577 | |
| 8 |
F015 Well Drilling/ |
$384,596 | |
| 9 | B529 Scientific Data Studies | $341,376 | |
| 10 | J029 Maintenance, Repair and Rebuilding of Equipment: Engine Accessories | $311,220 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Louisiana | $37,545,704 | |
| 2 | Alaska | $24,341,842 | |
| 3 | Wyoming | $1,674,990 | |
| 4 | Montana | $957,405 | |
| 5 | Colorado | $833,512 | |
| 6 | Ohio | $768,719 | |
| 7 | West Virginia | $723,464 | |
| 8 | Texas | $593,113 | |
| 9 | District of Columbia | $331,429 | |
| 10 | Missouri | $325,929 | |
| 11 | Arizona | $288,878 | |
| 12 | California | $195,107 | |
| 13 | Georgia | $181,963 | |
| 14 | New York | $125,407 | |
| 15 | Pennsylvania | $115,571 | |
| 16 | Illinois | $106,253 | |
| 17 | Florida | $99,873 | |
| 18 | Washington | $87,440 | |
| 19 | Guam | $86,000 | |
| 20 | Virginia | $77,143 | |
| 21 | Michigan | $67,190 | |
| 22 | Wisconsin | $58,990 | |
| 23 | Kansas | $39,070 | |
| 24 | Kentucky | $28,952 | |
| 25 | Maryland | $24,206 | |
| 26 | Alabama | $20,148 | |
| 27 | Massachusetts | $18,966 | |
| 28 | Oklahoma | $12,451 | |
| 29 | Nebraska | $9,924 | |
| 30 | North Carolina | $1,705 | |
| 31 | Connecticut | $635 | |
| 32 | Minnesota | $510 | |
| 33 | Vermont | $350 | |
| 34 | Indiana | $69 |
Show all 34
Shares are of everything obligated under NAICS 2131 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 1,503 listed here. See the rest on GovTribe.
Codes under 2131
| NAICS code |
|---|
| 21311 Support Activities for Mining |
Quick answers
What is NAICS 2131?
NAICS 2131 is Support Activities for Mining, an industry group in NAICS 21, Mining, Quarrying, and Oil and Gas Extraction.
What codes are under NAICS 2131?
NAICS 2131 has one code under it with its own GovTribe page, 21311 Support Activities for Mining.
How much do federal agencies spend under NAICS 2131?
Federal contracts under NAICS 2131 obligated $42,901,607 in fiscal year 2025 and $202,617,357 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 2131?
The contractors with the most obligated under NAICS 2131 in fiscal years 2026 and 2027 are Promethean Operating I LLC ($28,341,556); Olgoonik Oilfield Services, LLC ($23,226,012); and Chet Morrison Contractors LLC ($7,405,331).
Which agencies buy the most under NAICS 2131?
The agencies that obligated the most under NAICS 2131 in fiscal years 2026 and 2027 are Department of the Interior ($67,245,533), Defense Logistics Agency ($2,059,506) and Department of State ($1,997,601).
Which PSC codes are used with NAICS 2131?
The PSC codes with the most obligated under NAICS 2131 in fiscal years 2026 and 2027 are F108 Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support; Z2QA Repair or Alteration of Restoration of Real Property (Public or Private); and 9140 Fuel Oils.
Where is the work under NAICS 2131 performed?
By place of performance, the states with the most contract obligations under NAICS 2131 over the last 12 months are Louisiana ($37,545,704), Alaska ($24,341,842) and Wyoming ($1,674,990).
What is the latest contract opportunity under NAICS 2131?
The latest contract opportunity under NAICS 2131 is Gasket, solicitation from Land and Maritime (DLA), posted November 3, 2026.
On GovTribe
See everything under NAICS 2131
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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