PrimeRFP SCOUT · NAICS Intelligence
NAICS 5416 — Management, Scientific & Technical Consulting
NAICS 541690 — Other Scientific & Technical Consulting Services
NAICS 541690 covers scientific and technical consulting not classified elsewhere — including specialized analytic, engineering-adjacent advisory, and technical assistance.
$1.8B
Total Obligated
3,900
Total Awards
$458K
Avg Award Value
Aug 2025 – Aug 2026
Data Period
90 days · $90 · no annual contract · cancel anytime
Year-Over-Year Award Trend
| Year | Awards | Total Obligated |
|---|---|---|
| 2023 | 4,292 | $2.2B |
| 2024 | 4,391 | $2.7B |
| 2025 | 4,548 | $1.5B |
2026 data through March 2026 only. Source: PrimeRFP SCOUT · ≥$100K floor
Top Agencies by Obligation — NAICS 541690
| Agency | Awards | Total Obligated |
|---|
Top Awardees — NAICS 541690
Trailing 12 months · ≥$100K floor · Source: PrimeRFP SCOUT
| Rank | Awardee | Awards | Total Obligated |
|---|---|---|---|
| #1 | Domestic Awardees (Undisclosed) | 7 | $275M |
| #2 | Parsons Government Services Inc. | 9 | $121M |
| #3 | General Dynamics One Source LLC | 10 | $103M |
| #4 | Kelly Services, Inc. | 13 | $94.4M |
| #5 | System High Corporation | 9 | $61.6M |
| #6 | Unwin Co | 8 | $56.0M |
| #7 | Pundir Group, Inc. | 13 | $40.0M |
| #8 | Lockheed Martin Corporation | 3 | $35.8M |
See all awardees and filter by agency, set-aside, and date in SCOUT.
Score your position in 541690 — $90 Pilot →SCOUT Market Insights
→NAICS 541690 shows $1.8B obligated across 3,900 awards — average award $458K (~11 ≥$100K awards per day in scope).
→Domestic Awardees (Undisclosed) ($275M), Parsons Government Services Inc. ($121M), General Dynamics One Source LLC ($103M) headline the awardee table in the trailing window.
→Calendar trend (full CYs): $2.2B (CY2023) → $2.7B (CY2024) → $1.5B (CY2025).
Frequently Asked Questions — NAICS 541690
What is NAICS code 541690?
NAICS 541690 (Other Scientific and Technical Consulting Services) covers scientific/technical consulting not classified in other 5416 codes — including specialized analytic, engineering-adjacent advisory, and technical assistance for federal programs.
How much federal spend is under NAICS 541690?
Federal agencies obligated approximately $1.8B under NAICS 541690 across 3,900 awards in the trailing 12 months (Aug 2025–Aug 2026). Source: PrimeRFP SCOUT, obligations_only, ≥$100K floor.
Which agencies buy the most 541690 work?
Agency concentration was not returned in this SCOUT slice; see top awardees on this page and pair with agency intel pages for buyer context.
How does 541690 relate to 541611?
541611 is general management/administrative consulting. 541690 is scientific/technical consulting. Solicitations sometimes blur the line — check both the NAICS on the SAM notice and the PSC for what is actually being purchased.
SCOUT Intelligence
See the full NAICS 541690 pipeline
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