PrimeRFP SCOUT · NAICS Intelligence

NAICS 5416 — Management, Scientific & Technical Consulting

NAICS 541690Scientific & Technical Consulting

NAICS 541690 shows $2.01B obligated across 4,502 awards — average award $446K (~12 ≥$100K awards per day in scope).

NAICS 541690 covers scientific and technical consulting not classified elsewhere — including specialized analytic, engineering-adjacent advisory, and technical assistance. Figures are whole-of-government obligations only, ≥$100K per award, for actions 2025-10-14 through 2026-10-02.

$2.01B

Total Obligated

4,502

Total Awards

$446K

Avg Award Value

Oct 2025 – Oct 2026

Data Period

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Year-Over-Year Award Trend

Year	Awards	Total Obligated
2023	—	$2.24B
2024	—	$2.73B
2025	—	$1.51B

Full calendar years CY2023–CY2025. Partial 2026 is omitted. Award counts show when the pull included them. Source: PrimeRFP SCOUT · obligations only · ≥$100K floor

Top Agencies by Obligation — NAICS 541690

Agency	Awards	Total Obligated
HHSDepartment of Health and Human Services	1,836	$622.7M
DoDDepartment of Defense	631	$505.5M
USAIDAgency for International Development	8	$454.2M
DOEDepartment of Energy	117	$72.6M

Top Awardees — NAICS 541690

Trailing 12 months · ≥$100K floor · Source: PrimeRFP SCOUT

Rank	Awardee	Awards	Total Obligated
#1	Domestic Awardees (Undisclosed)	—	$446.7M
#2	Kelly Services, Inc.	—	$170.3M
#3	Impaq International LLC	—	$105.5M
#4	General Dynamics One Source LLC	—	$100.0M
#5	System High Corporation	—	$56.7M

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SCOUT Market Insights

→NAICS 541690 shows $2.01B obligated across 4,502 awards — average award $446K (~12 ≥$100K awards per day in scope).

→HHS leads at $622.7M (1,836 awards). DoD ($505.5M), USAID ($454.2M), and DOE ($72.6M) follow.

→Domestic Awardees (Undisclosed) ($446.7M), Kelly Services, Inc. ($170.3M), and Impaq International LLC ($105.5M) lead the awardee table.

→Calendar trend (full CYs): $2.24B (CY2023) → $2.73B (CY2024) → $1.51B (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 $2.01B under NAICS 541690 across 4,502 awards in the trailing 12 months (Oct 2025–Oct 2026; actions 2025-10-14 through 2026-10-02). Source: PrimeRFP SCOUT, obligations only, ≥$100K floor.

Which agencies buy the most 541690 work?

HHS ($622.7M), DoD ($505.5M), USAID ($454.2M), and DOE ($72.6M) are the largest buyers in this trailing window.

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 Signal

September 2026

Service-disabled veteran-owned contract actions fell 15% at the VA in a single month.

Meanwhile VA's service-disabled veteran-owned contract actions fell 15.3%. The same agency, the same month, the large-vendor lane expanding while the small-business lane contracted. Figures are civilian-agency obligations through 2026-08-31; DoD FPDS for this window is labeled incomplete.

This issue is the whole civilian market. Your capture plan isn't.

Read the September 2026 issue →

Data & Methodology

Federal contract and award data sourced from government procurement systems — including FPDS-NG, SAM.gov, and related federal data repositories. PrimeRFP SCOUT ingests, normalizes, and continuously updates records as agencies publish them. Reporting timelines vary by agency; some components (particularly DoD) carry a 60–90 day lag relative to award execution.

Dataset coverage — ≥ $100K floor

All intelligence on this page and within SCOUT is filtered to federal contract awards whose current total award value is $100K or more. PrimeRFP applies this floor at the award level (on current_total_value_award), not per-transaction, so large awards split across many mid-size obligation lines are retained in full. PrimeRFP's own empirical sampling against the raw USASpending dataset shows this threshold captures 98%+ of total federal contract dollars while excluding a long tail of micro-purchases, small modifications, and administrative actions — the trade-off that makes market intelligence tractable without distorting the dollar picture. Coverage: 560,000+ active contract awards and 2.5M+ unique awardees, including small-business set-asides, task orders, and mid-market opportunities.

Award identification: Each record is keyed by federal contract number. Task orders recorded as independent awards appear as separate rows. IDIQs and their task orders are tracked distinctly.

Why SCOUT dollar figures differ from published annual totals: Per-agency dollar figures on SCOUT intelligence pages aggregate all USASpending transaction records — including base contract awards, task orders, delivery orders, and modifications to existing contracts. Annual federal contract obligation figures cited in industry reports (e.g., FY2025: $833.8B per Bloomberg Government) count only new prime award actions in the fiscal year, excluding mods. An IDIQ vehicle (like OASIS+) carries no obligation at award — only task orders issued against it are counted. SCOUT's transaction-level aggregates are larger because they capture the full activity picture across a contract's lifecycle, making them useful for competitive analysis and pipeline sizing rather than year-over-year spending comparison.

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About NAICS 541690

Code541690

FamilyNAICS 5416

Avg Award$446K

Data throughOct 2026

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