NAICS 11531: Support Activities for Forestry
NAICS industry
Code facts
- Part of
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11
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115
- 1153
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115
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11
- Codes under it
- 1
- Contract awards
- 10,754 In the last 12 months
- Contract obligations
- $1,196,452,583 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 | $14,609,168 |
| FY2026 | $1,236,690,124 |
| FY2025 | $1,196,452,583 |
| FY2024 | $1,303,428,806 |
| FY2023 | $1,236,269,910 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Aero Spray Inc. | $33,156,937 | |
| 2 | Grayback Forestry, Inc. | $27,174,017 | |
| 3 | Henrys Aerial Service Inc. | $24,657,070 | |
| 4 | Patrick Environmental Inc. | $21,433,430 | |
| 5 | Firestorm Wildland Fire Suppression, Inc. | $18,447,054 | |
| 6 | Miller Timber Services, Inc. | $16,821,596 | |
| 7 | Imperial Forestry, Incorporated | $14,636,165 | |
| 8 | Co Fire Aviation, Inc. | $14,512,079 | |
| 9 | Western Pilot Service Inc. | $14,449,768 | |
| 10 | Pacific Oasis Inc. | $12,930,904 |
See the full FY2025 ranking of NAICS 11531 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Agriculture | $969,215,707 | |
| 2 | Department of the Interior | $272,785,811 | |
| 3 | Department of the Army | $8,326,161 | |
| 4 | Air Force | $490,706 | |
| 5 | Department of the Navy | $437,074 | |
| 6 | Department of Homeland Security | $65,900 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 |
F003 Forest/ |
$925,998,691 | |
| 2 | F099 Other Natural Resources and Conservation Services | $106,297,128 | |
| 3 | F014 Tree Thinning Services | $69,344,166 | |
| 4 |
F018 Other Range/ |
$32,847,914 | |
| 5 |
F006 Land Treatment Practices Services (plowing/ |
$28,495,625 | |
| 6 | F005 Forest Tree Planting Services | $13,600,253 | |
| 7 | 4210 Fire Fighting Equipment | $12,595,803 | |
| 8 |
R408 Program Management/ |
$9,279,319 | |
| 9 |
F004 Forest/ |
$8,410,896 | |
| 10 |
Z1LB Maintenance of Highways/ |
$5,288,819 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Oregon | $295,866,677 | |
| 2 | Washington | $117,805,043 | |
| 3 | California | $116,659,843 | |
| 4 | Colorado | $110,838,105 | |
| 5 | Montana | $63,122,768 | |
| 6 | Utah | $51,178,693 | |
| 7 | Arizona | $51,094,292 | |
| 8 | New Mexico | $47,839,796 | |
| 9 | North Carolina | $45,900,246 | |
| 10 | Idaho | $44,169,863 | |
| 11 | Minnesota | $38,029,708 | |
| 12 | Texas | $30,526,419 | |
| 13 | Arkansas | $30,320,318 | |
| 14 | Florida | $30,111,794 | |
| 15 | Nevada | $21,305,824 | |
| 16 | Alaska | $18,681,047 | |
| 17 | Wyoming | $12,759,813 | |
| 18 | Georgia | $9,838,132 | |
| 19 | Louisiana | $8,391,176 | |
| 20 | Virginia | $8,338,263 | |
| 21 | South Dakota | $8,315,743 | |
| 22 | North Dakota | $7,797,133 | |
| 23 | South Carolina | $6,554,819 | |
| 24 | Nebraska | $5,126,714 | |
| 25 | Tennessee | $5,100,374 | |
| 26 | Missouri | $4,035,286 | |
| 27 | Mississippi | $3,305,708 | |
| 28 | Pennsylvania | $2,937,360 | |
| 29 | Michigan | $2,770,085 | |
| 30 | New Jersey | $2,503,826 | |
| 31 | Maryland | $2,415,936 | |
| 32 | Alabama | $2,404,014 | |
| 33 | Kentucky | $2,156,935 | |
| 34 | Illinois | $1,970,587 | |
| 35 | Ohio | $1,715,239 | |
| 36 | Oklahoma | $1,416,109 | |
| 37 | West Virginia | $1,260,780 | |
| 38 | Wisconsin | $771,016 | |
| 39 | Kansas | $500,351 | |
| 40 | New York | $452,278 | |
| 41 | District of Columbia | $446,461 | |
| 42 | Iowa | $232,552 | |
| 43 | Indiana | $216,232 | |
| 44 | Vermont | $209,879 | |
| 45 | Massachusetts | $106,026 | |
| 46 | New Hampshire | $86,422 | |
| 47 | Rhode Island | $68,250 | |
| 48 | Hawaii | $32,707 | |
| 49 | Connecticut | $9,950 |
Show all 49
Shares are of everything obligated under NAICS 11531 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 15,609 listed here. See the rest on GovTribe.
Codes under 11531
| NAICS code | Size standard |
|---|---|
| 115310 Support Activities for Forestry | $11.5 million in average annual receipts |
Definition
This industry comprises establishments primarily engaged in performing particular support activities related to timber production, wood technology, forestry economics and marketing, and forest protection. These establishments may provide support activities for forestry, such as estimating timber, forest firefighting, forest pest control, treating burned forests from the air for reforestation or on an emergency basis, and consulting on wood attributes and reforestation.
Illustrative examples
- Cruising timber
- Estimating timber
- Fire prevention, forest
- Firefighting, forest
- Forest management plans preparation
- Forestry services
- Pest control services, forestry
- Reforestation
- Timber valuation
Quick answers
What is NAICS 11531?
NAICS 11531 is Support Activities for Forestry, a NAICS industry in NAICS 11, Agriculture, Forestry, Fishing and Hunting.
What is the NAICS code for reforestation?
The NAICS code for reforestation is 115310, Support Activities for Forestry. Its SBA small business size standard is $11.5 million in average annual receipts.
What is the NAICS code for cruising timber?
The NAICS code for cruising timber is 115310, Support Activities for Forestry. Its SBA small business size standard is $11.5 million in average annual receipts.
What is the NAICS code for timber valuation?
The NAICS code for timber valuation is 115310, Support Activities for Forestry. Its SBA small business size standard is $11.5 million in average annual receipts.
What codes are under NAICS 11531?
NAICS 11531 has one code under it with its own GovTribe page, 115310 Support Activities for Forestry.
How much do federal agencies spend under NAICS 11531?
Federal contracts under NAICS 11531 obligated $1,196,452,583 in fiscal year 2025 and $4,987,450,591 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 11531?
The contractors with the most obligated under NAICS 11531 in fiscal years 2026 and 2027 are Aero Spray Inc. ($33,156,937); Grayback Forestry, Inc. ($27,174,017); and Henrys Aerial Service Inc. ($24,657,070).
Which agencies buy the most under NAICS 11531?
The agencies that obligated the most under NAICS 11531 in fiscal years 2026 and 2027 are Department of Agriculture ($969,215,707), Department of the Interior ($272,785,811) and Department of the Army ($8,326,161).
Which PSC codes are used with NAICS 11531?
The PSC codes with the most obligated under NAICS 11531 in fiscal years 2026 and 2027 are F003 Forest/
Where is the work under NAICS 11531 performed?
By place of performance, the states with the most contract obligations under NAICS 11531 over the last 12 months are Oregon ($295,866,677), Washington ($117,805,043) and California ($116,659,843).
What is the latest contract opportunity under NAICS 11531?
The latest contract opportunity under NAICS 11531 is Intermountain Area Tree Planting and Associated Services Request For Information, pre-solicitation from Forest Service, posted October 22, 2026.
On GovTribe
See everything under NAICS 11531
- 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