Trend Direction
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES decreased from FY2025 to FY2026, moving from $46,529,239 to $1,043,829 in the ingested records.
- Latest: $1,043,829
- Previous: $46,529,239
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES
NAICS 541690 includes $669,133,776 in federal contract obligations across 223 ingested award records.
Quick answer
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES has $669,133,776 in ingested federal contract obligations across 223 award records in this naics profile.
NAICS Snapshot
Total obligations$669,133,776
Award records223
Entity code541690
Data updatedMay 7, 2026
Top relationshipUNWIN CO
Top categoryDepartment of Energy
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.
Market Analysis
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES has $669,133,776 across 223 ingested award records, with the analysis below generated only from visible tables on this page.
Concentration
UNWIN CO accounts for 31.9% of OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES's visible obligations in this slice, which is the first concentration signal to review before treating the market as broad or fragmented.
- Top relationship: UNWIN CO
- Top value: $213,772,540
Buyer And Category Mix
Department of Energy is the largest visible secondary category at $250,591,297. Use this alongside the relationship table to separate one-off award activity from repeat market exposure.
- Largest secondary category: Department of Energy
- Category value: $250,591,297
Recent Award Signal
The latest displayed award is 89303020CEA000004 from FY2021 with $213,772,540 in obligations. Recent rows help identify whether the profile is still active in current procurement data.
- Award date: Not listed
Source caveats
- USAspending records can be revised after initial publication.
- Negative obligations and deobligations may affect totals in narrow slices.
Spending by Fiscal Year
| FY202610 awards | $1,043,829 |
| FY202518 awards | $46,529,239 |
| FY202418 awards | $34,441,433 |
| FY202330 awards | $75,035,770 |
| FY20229 awards | $142,208,528 |
| FY2021138 awards | $369,874,976 |
Top Contractors
| UNWIN CO1 awards | $213,772,540 |
| MICHAEL STAPLETON ASSOCIATES, LTD.2 awards | $115,107,070 |
| BOOZ ALLEN HAMILTON INC9 awards | $55,173,857 |
| KELLY SERVICES, INC.8 awards | $45,396,664 |
| NORESCO, LLC1 awards | $34,439,892 |
| NATIONAL OPINION RESEARCH CENTER1 awards | $33,729,002 |
| OLGOONIK SOLUTIONS LLC4 awards | $26,719,611 |
| ECS FEDERAL, LLC1 awards | $24,891,072 |
| NATIONAL ACADEMY OF SCIENCES15 awards | $12,943,583 |
| AXLE INFORMATICS, LLC4 awards | $10,129,348 |
Top Agencies
| Department of Energy6 awards | $250,591,297 |
| Department of State8 awards | $145,829,477 |
| Department of Health and Human Services45 awards | $115,067,220 |
| Department of the Interior25 awards | $91,653,428 |
| Department of Transportation5 awards | $11,105,258 |
| Department of Defense74 awards | $9,936,613 |
| Department of Commerce8 awards | $9,737,838 |
| Federal Trade Commission1 awards | $9,282,335 |
| Department of Veterans Affairs18 awards | $5,912,517 |
| Department of Agriculture3 awards | $5,846,610 |
Recent Awards
| Award | Recipient | Fiscal year | Obligations | Date |
|---|---|---|---|---|
| 89303020CEA000004 | UNWIN CO | 2021 | $213,772,540 | Not available |
| 19AQMM22F3663 | MICHAEL STAPLETON ASSOCIATES, LTD. | 2022 | $113,863,909 | Not available |
| DEAD0708ID60661 | NORESCO, LLC | 2021 | $34,439,892 | Not available |
| 75Q80123F32002 | NATIONAL OPINION RESEARCH CENTER | 2023 | $33,729,002 | Not available |
| IND17PD00004 | ECS FEDERAL, LLC | 2021 | $24,891,072 | Not available |
| 75N95024F00119 | KELLY SERVICES, INC. | 2024 | $18,078,678 | Not available |
| 19AQMM22F1884 | OLGOONIK SOLUTIONS LLC | 2022 | $13,033,249 | Not available |
| 19AQMM22F1883 | OLGOONIK SOLUTIONS LLC | 2022 | $11,485,933 | Not available |
| IND17PD00280 | BOOZ ALLEN HAMILTON INC | 2021 | $10,568,255 | Not available |
| 29FTC123C0032 | BERKELEY RESEARCH GROUP, LLC | 2023 | $9,282,335 | Not available |
Citation facts
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES has $669,133,776 in ingested federal contract obligations across 223 award records in this naics profile.
- Source
- USAspending.gov procurement award records
- Data updated
- May 7, 2026
- Canonical URL
- https://www.govspending.us/naics/541690
Federal Contract Questions
How much federal contract spending is associated with OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES?
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES has $669,133,776 in ingested contract obligations across 223 award records.
Which relationships matter most for OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES?
UNWIN CO is the largest listed relationship in this profile at $213,772,540.
Which industries or buyers are most visible?
Department of Energy is the largest listed secondary category at $250,591,297.
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.