Endangered Species Studies – Plant and Animal Government Contracts
PSC B509 Service code
Code facts
- Spend category
- Professional Services Management Advisory Services
- Part of
-
-
B
- B5
-
B
- Contract obligations
- $17,452,393 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $8,367,227 | |
| 2 | Department of the Interior | $4,822,039 | |
| 3 | Department of the Army | $3,435,843 | |
| 4 | Department of Agriculture | $250,613 | |
| 5 | Washington Headquarters Service | $236,641 | |
| 6 | Department of Commerce | $43,325 | |
| 7 | Department of the Navy | $21,247 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Everfox LLC | $7,926,382 | |
| 2 | Oneida-Stantec JV LLC | $1,540,323 | |
| 3 | Osage Nation Energy Services LLC | $1,401,177 | |
| 4 | Asir LLC | $878,201 | |
| 5 | Bio-West Inc. | $823,089 | |
| 6 | Nebraska Game & Parks Commission | $699,264 | |
| 7 | River Partners | $469,559 | |
| 8 | Fish Wildlife & Parks Montana Department | $419,387 | |
| 9 | Tunista Logistics Solutions, LLC | $410,944 | |
| 10 | DB Ecological Services Inc. | $248,732 |
See the full FY2025 ranking of PSC B509 contractors, by parent company.
Open contract opportunities
| Notice | Posted | Due |
|---|---|---|
| ESA/ NEPA Compliance Support for Klamath Project A |
Recent contract awards
Latest 10 of 24 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $17,176,934 |
| FY2025 | $17,452,393 |
| FY2024 | $23,261,901 |
| FY2023 | $38,281,144 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541990 All Other Professional, Scientific, and Technical Services | $7,926,382 | |
| 2 | 541620 Environmental Consulting Services | $5,775,641 | |
| 3 | 924120 Administration of Conservation Programs | $1,392,648 | |
| 4 | 541690 Other Scientific and Technical Consulting Services | $639,475 | |
| 5 | 115310 Support Activities for Forestry | $507,420 | |
| 6 | 561210 Facilities Support Services | $410,944 | |
| 7 | 541720 Research and Development in the Social Sciences and Humanities | $236,641 | |
| 8 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $114,899 | |
| 9 | 561730 Landscaping Services | $85,845 | |
| 10 | 813312 Environment, Conservation and Wildlife Organizations | $58,230 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $7,926,382 | |
| 2 | Oregon | $1,540,323 | |
| 3 | Georgia | $1,401,177 | |
| 4 | New Mexico | $927,850 | |
| 5 | Arizona | $886,731 | |
| 6 | Utah | $852,339 | |
| 7 | South Dakota | $699,264 | |
| 8 | Florida | $563,263 | |
| 9 | Montana | $534,286 | |
| 10 | California | $504,979 | |
| 11 | Nebraska | $347,166 | |
| 12 | Nevada | $257,761 | |
| 13 | District of Columbia | $236,641 | |
| 14 | Michigan | $114,000 | |
| 15 | Minnesota | $100,652 | |
| 16 | Alaska | $80,627 | |
| 17 | Colorado | $67,982 | |
| 18 | Ohio | $65,869 | |
| 19 | Texas | $51,667 | |
| 20 | Washington | $21,247 |
Show all 20
Shares are of everything obligated under PSC B509 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Quick answers
What is PSC B509?
PSC B509 is Endangered Species Studies – Plant and Animal, a service code in PSC B, Special Studies/
How many government contracts for endangered species studies – plant and animal are there?
1 contract opportunity under PSC B509 is open now, and 14 notices were posted in the last 90 days. Federal agencies awarded 24 contracts under PSC B509 in the last 12 months, obligating $17,277,319.
How much do federal agencies spend under PSC B509?
Federal contracts under PSC B509 obligated $17,452,393 in fiscal year 2025 and $96,172,371 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC B509?
The contractors with the most obligated under PSC B509 in fiscal years 2026 and 2027 are Everfox LLC ($7,926,382), Oneida-Stantec JV LLC ($1,540,323) and Osage Nation Energy Services LLC ($1,401,177).
Which agencies buy the most under PSC B509?
The agencies that obligated the most under PSC B509 in fiscal years 2026 and 2027 are Air Force ($8,367,227), Department of the Interior ($4,822,039) and Department of the Army ($3,435,843).
Which NAICS codes are used with PSC B509?
The NAICS codes with the most obligated under PSC B509 in fiscal years 2026 and 2027 are 541990 All Other Professional, Scientific, and Technical Services; 541620 Environmental Consulting Services; and 924120 Administration of Conservation Programs.
Where is the work under PSC B509 performed?
By place of performance, the states with the most contract obligations under PSC B509 over the last 12 months are Virginia ($7,926,382), Oregon ($1,540,323) and Georgia ($1,401,177).
What is the latest open contract opportunity under PSC B509?
The latest open contract opportunity under PSC B509 is ESA/ NEPA Compliance Support for Klamath Project A, solicitation, posted November 9, 2026.
On GovTribe
See everything under PSC B509
- 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