PSC F101: Air Quality Support Services
Service code
Code facts
- Spend category
- Facilities & Construction Facility Related Services
- Part of
-
-
F
- F1
-
F
- Contract awards
- 29 In the last 12 months
- Contract obligations
- $9,177,653 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $8,061,885 |
| FY2025 | $9,177,653 |
| FY2024 | $15,415,520 |
| FY2023 | $20,608,072 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Wilbur Technical Services LLC | $2,060,602 | |
| 2 | University Of North Carolina At Chapel Hill | $1,815,019 | |
| 3 | Q & A Diversified LLC | $1,186,128 | |
| 4 | Techlaw Consultants Inc. | $564,383 | |
| 5 | American Testing, Inc. | $454,790 | |
| 6 | Brand Construction LLC | $395,225 | |
| 7 | One Nation Innovation | $361,024 | |
| 8 | Verina-Renova JV LLC | $316,638 | |
| 9 | Richard Grubb And Associates, Inc. | $278,236 | |
| 10 | Bluestone Interspec JV, LLC | $275,908 |
See the full FY2025 ranking of PSC F101 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $2,262,622 | |
| 2 | Department of State | $2,173,660 | |
| 3 | Environmental Protection Agency | $1,970,213 | |
| 4 | Department of Veterans Affairs | $647,954 | |
| 5 | Department of Health and Human Services | $454,790 | |
| 6 | Department of the Navy | $401,137 | |
| 7 | Department of Agriculture | $87,681 | |
| 8 | Department of the Interior | $28,095 | |
| 9 | General Services Administration | $17,880 | |
| 10 | Department of Homeland Security | $16,302 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541620 Environmental Consulting Services | $2,649,847 | |
| 2 | 334519 Other Measuring and Controlling Device Manufacturing | $2,060,602 | |
| 3 | 562910 Remediation Services | $1,789,170 | |
| 4 | 541380 Testing Laboratories and Services | $509,935 | |
| 5 | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $454,790 | |
| 6 | 541330 Engineering Services | $275,908 | |
| 7 | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $113,058 | |
| 8 | 924110 Administration of Air and Water Resource and Solid Waste Management Programs | $87,681 | |
| 9 | 921110 Executive Offices | $28,201 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | New Hampshire | $2,138,167 | |
| 2 | Louisiana | $1,202,430 | |
| 3 | North Carolina | $1,184,022 | |
| 4 | New Jersey | $594,874 | |
| 5 | Illinois | $538,408 | |
| 6 | Maryland | $454,790 | |
| 7 | Texas | $374,118 | |
| 8 | Florida | $361,024 | |
| 9 | District of Columbia | $350,552 | |
| 10 | Colorado | $200,282 | |
| 11 | New York | $177,135 | |
| 12 | California | $131,718 | |
| 13 | Montana | $87,681 | |
| 14 | Washington | $43,919 | |
| 15 | Pennsylvania | $5,046 |
Show all 15
Shares are of everything obligated under PSC F101 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 93 listed here. See the rest on GovTribe.
Definition
Includes: Industrial Investigation Surveys and Technical Support Related to Air Pollution
Quick answers
What is PSC F101?
PSC F101 is Air Quality Support Services, a service code in PSC F, Natural Resources Management.
How much do federal agencies spend under PSC F101?
Federal contracts under PSC F101 obligated $9,177,653 in fiscal year 2025 and $53,263,131 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC F101?
The contractors with the most obligated under PSC F101 in fiscal years 2026 and 2027 are Wilbur Technical Services LLC ($2,060,602), University Of North Carolina At Chapel Hill ($1,815,019) and Q & A Diversified LLC ($1,186,128).
Which agencies buy the most under PSC F101?
The agencies that obligated the most under PSC F101 in fiscal years 2026 and 2027 are Department of the Army ($2,262,622), Department of State ($2,173,660) and Environmental Protection Agency ($1,970,213).
Which NAICS codes are used with PSC F101?
The NAICS codes with the most obligated under PSC F101 in fiscal years 2026 and 2027 are 541620 Environmental Consulting Services, 334519 Other Measuring and Controlling Device Manufacturing and 562910 Remediation Services.
Where is the work under PSC F101 performed?
By place of performance, the states with the most contract obligations under PSC F101 over the last 12 months are New Hampshire ($2,138,167), Louisiana ($1,202,430) and North Carolina ($1,184,022).
What is the latest contract opportunity under PSC F101?
The latest contract opportunity under PSC F101 is F101--Asbestos Inspection and Semi-Annual Reinspection at the Philadelphia VAMC, pre-solicitation from Veterans Integrated Service Network 4 (VHA), posted October 15, 2026.
On GovTribe
See everything under PSC F101
- 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