541690 — Other Scientific and Technical Consulting Services
Researched by the BidStride Research Team
Businesses in this category provide specialized scientific and technical consulting in areas such as environmental science, agricultural science, physics, and other applied disciplines. Government buyers use this code for specialized research support, environmental assessments, and technical advisory services tied to agency-specific programs. DOD and DOE are frequent buyers.
Federal contracts under NAICS 541690 appear across multiple procurement vehicles including SAM.gov open market solicitations, GSA Schedule task orders, and agency-specific IDIQ contracts. Contractors registered in this NAICS code should maintain an active SAM.gov registration and ensure their capabilities statement reflects specific experience within this industry classification.
Typical contract types in this NAICS include Firm Fixed Price (FFP) for well-defined deliverables, Time and Materials (T&M) for services with variable scope, and Cost-Plus for research and development programs. The typical contract range of $100K - $5M reflects the majority of awards, though individual contracts may fall outside this range depending on scope and agency requirements.
Top Federal Agencies
- Department of Energy
- Department of Defense
- Environmental Protection Agency
- Department of the Interior
Typical Contract Details
- Contract Range
- $100K - $5M
- Common Set-Asides
- Small Business8(a)WOSB
- Contract Types
- FFP, T&M, Cost-Plus (program dependent)
Common Compliance Requirements
Contracts under NAICS 541690 frequently reference these FAR and DFARS clauses. Review them before submitting a proposal.
Always verify applicable clauses in the actual solicitation. Clause applicability depends on contract type, value, and agency requirements.
Frequently Asked Questions
How do I register NAICS 541690 on SAM.gov?
To register NAICS 541690 (Other Scientific and Technical Consulting Services) on SAM.gov, log in to your entity registration at SAM.gov, navigate to the NAICS codes section of your registration, and add 541690 to your list of applicable codes. You can add multiple NAICS codes that reflect your business capabilities. After updating, your registration must be renewed annually to remain active.
What set-asides are available for Other Scientific and Technical Consulting Services?
Common set-aside programs for NAICS 541690 contracts include: Small Business, 8(a), WOSB. The availability of specific set-asides depends on the individual solicitation and the contracting officer's market research findings. Small business set-asides require certification through SAM.gov, while 8(a), HUBZone, WOSB, and SDVOSB programs require additional SBA certifications.
How many Other Scientific and Technical Consulting Services contracts are posted per month?
NAICS 541690 (Other Scientific and Technical Consulting Services) contracts are posted regularly on SAM.gov, with volume varying by fiscal quarter. Federal procurement peaks in Q4 (July–September) as agencies exhaust year-end budgets. Typical contract sizes in this code range $100K - $5M. The top federal buyers include Department of Energy, Department of Defense, Environmental Protection Agency.
What size standard applies to NAICS 541690?
The SBA size standard for NAICS 541690 (Other Scientific and Technical Consulting Services) is set by the SBA and determines whether a firm qualifies as a small business for set-aside competition. Size standards are expressed as either annual average receipts or number of employees depending on the industry. Check the current SBA size standards table at sba.gov/size-standards or SAM.gov for the specific threshold applicable to your bid.
Track Other Scientific and Technical Consulting Services opportunities automatically
BidStride monitors SAM.gov and 50+ other sources daily and sends you matching NAICS 541690 contracts before 7 AM every morning. Start free — no credit card needed.
Free plan: 5 alerts/month. Scout: unlimited. No commitment.
Related NAICS Codes in This Sector
Looking for specific codes?
Use the free NAICS Code Finder tool →