NAICS 541690Other Scientific and Technical Consulting Services
Size Standard
$19 million
CMMC Level
Level 2 (most contracts)
Key Agencies
DoD, DARPA, DOE, NASA
Overview
Establishments primarily engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues not elsewhere classified. Defense contractors use this code for technical advisory services, independent verification and validation (IV&V), and subject matter expert support across multiple disciplines.
Common Contract Types
Recent Contract Awards
Total Awards
36,167
Last 30 Days
8
30-Day Value
$3.2M
Avg Amount
$400K
All-Time Value
$5.3B
FPDS
| Contract | Awardee | Amount |
|---|---|---|
| IH Inspections | PINYON ENVIRONMENTAL, INC. | $342K |
| B--NM ESFO - Pilot Project - Mexican Wolf Interaction | COLORADO STATE UNIVERSITY | $90K |
| R--R&D - MUSSEL CONTROL RESEARCH | MOLLOY & ASSOCIATES, LLC | $409K |
| Multiple Award Schedule | CORGAN ASSOCIATES INC | $900K |
| Multiple Award Schedule | RENAYE JAMES HEALTHCARE ADVISORS LLC | $500K |
| F--SERVICE FY26 BOTANY SURVEYS, Medford District BLM, | SISKIYOU BIOSURVEY LLC | $583K |
| J065--RSO Medical Physics Services KC Base YR 4/2/2026-4/1/2027 | LBT DIAGNOSTIC RADIATION PHYSICS CONSULTING LTD | $216K |
| R406--Development of LOTO Procedures | HGS ENGINEERING INC | $164K |
| A-BEAR CONSULT LLC | $18K | |
| EASTRATEGIESTX, LLC | $11K | |
| MANAGEMENT MARINE SERVICE INC | $14K | |
| ASTARITA ASSOCIATES, INC. | $191K | |
| PUNDIR GROUP, INC | $12K | |
| J.S. HELD LLC | $165K | |
| INFORMATION SYSTEMS LABORATORIES, INC. | $25K | |
| GAP SOLUTIONS, INC. | $94K | |
| BATES WHITE, LLC | $180K | |
| KELLY SERVICES, INC. | $9K | |
| Multiple Award Schedule | SPEC, LLC | $6.0M |
| B--WI - Whittlesey Creek NWR - Saginaw Bay to Western | TETRA TECH, INC. | $70K |
Top Awardees
Top Contractors (FPDS)
| Contractor | Total Obligation |
|---|---|
| KELLY SERVICES, INC. | $325.3M |
| DOMESTIC AWARDEES (UNDISCLOSED) | $310.8M |
| NATIONAL ACADEMY OF SCIENCES | $129.9M |
| THE MITRE CORPORATION | $117.6M |
| RMC 2021 LLC | $75.2M |
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Frequently Asked Questions
What CMMC level is required for NAICS 541690?
Level 2 is required for most technical consulting contracts that involve CUI such as test data, technical assessments, or system evaluations. Advisory work limited to publicly available information may only need Level 1.
What is the SBA size standard for NAICS 541690?
The size standard is $19 million in average annual receipts.
How does NAICS 541690 differ from 541330?
NAICS 541330 covers engineering-specific services (design, analysis, testing), while 541690 covers broader scientific and technical consulting that may span multiple disciplines. If the work is primarily engineering, use 541330. If it crosses disciplines or is advisory in nature, 541690 is appropriate.
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