Other Scientific and Technical Consulting Services: NAICS 541690
Browse federal contract opportunities classified under NAICS code 541690 (Other Scientific and Technical Consulting Services). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 541690
Other Scientific and Technical Consulting Services. This industry falls under the Professional, Scientific, and Technical Services sector (NAICS codes beginning with 54).
Federal agencies use NAICS code 541690 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the other scientific and technical consulting services space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 541690 in Federal Contracting
To compete for federal contracts under NAICS 541690, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for other scientific and technical consulting services work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 541690. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 541690 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the other scientific and technical consulting services market has seen 11,199 contract awards totaling $6.7B in value. The median contract size is $87K, with approximately 311 new awards per month.
Total Awards (3yr)
11,199
Total Value
$6.7B
Median Contract
$87K
Competitors
1,946
Contract value distribution
6,065 small business awards ($2.0B total value,$66K median)
1,946 companies compete for NAICS 541690 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 541690 (Other Scientific and Technical Consulting Services), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 541690.
Recent NAICS 541690 Opportunities
View all →The Department of Energy is procuring the ArrowHead Modeling Platform from ArrowHead Economics LLC to support analyses for U.S. government strategic objectives related to hydrocarbon dominance and infrastructure reliability. This procurement is intended to be sole source as ArrowHead Economics LLC is deemed the only provider capable of fulfilling this requirement.
The Department of Transportation is procuring a Laboratory Safety Evaluation and Safety Plan Assessment for the Federal Highway Administration. The key requirements include evaluating laboratory safety protocols and assessing safety plans, with submissions due by July 29, 2026.
The U.S. Department of Energy is procuring Technical Security Support Services to assist the Office of Safeguards and Security, the Consolidated Service Center, and the Oak Ridge Environmental Management in Tennessee. Key requirements include conducting compliance audits, processing access authorizations, reviewing sensitive documents, and providing administrative support for hearings.
The Department of Veterans Affairs is procuring recurring maintenance services for negative pressure fans. The contractor will provide technical support and upkeep to ensure the proper operation of ventilation systems within VA facilities.
The Department of Health and Human Services is procuring scientific analysis and mathematical modeling services for clinical research data. Key requirements include the ability to analyze and model complex datasets, as well as adherence to specific evaluation criteria outlined in the solicitation documents.
The Department of Veterans Affairs is procuring the generation of Lockout Tagout Procedures/Program. This opportunity is set aside for Service-Disabled Veteran-Owned Small Businesses and involves the installation of fire fighting, rescue, safety equipment, and environmental protection materials. Key requirements include adherence to specific safety and environmental standards as outlined in the attached solicitation package.
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