samsearch
    Platform
    01InfluenceShape the requirement before it's on your competitor's radar.
    Signal
    Recompete window opens in 42 days
    Facilities maintenance IDIQ$8.4M
    Forecast
    Agency spend up 18% next FY
    DoD facilitiesQ3 window
    02CaptureFind and qualify the work across every market.
    Federal91%
    Network engineering support — GSA MAS
    GSA541512
    SLED88%
    Custodial services — Fairfax County Public Schools
    K-12561720
    DIBBS79%
    Aircraft hydraulic fitting — DLA Aviation
    DLANSN 5330
    03AnalyzeExtract requirements and build the compliance matrix.
    Compliance matrix
    L.2.1Technical approachVol I
    L.3.4Staffing planVol I
    M.1Past performanceEvaluated
    SOW breakdown
    Requirements extracted38
    Mapped to Section L/M38
    Every extractionCited
    Ask Sammy
    “Do we meet the small business set-aside?”
    04ManageRun the pursuit through to award.
    Pipeline
    QualifyFacilities support · USACE
    CaptureComms upgrade · DLA
    ProposalShipyard dredging · NAVSEA
    PriyaAlex
    This week
    Submit past performance refsThu
    Confirm subK teamingFri
    Upload SF 33Mon
    05RespondDraft and submit your response.
    Drafting · Volume I
    247 words
    RFI response
    CompanyAcme Robotics LLC
    UEIJK4M8…
    Capability narrativeDrafted
    06FinanceGet paid faster on what you win.
    Capital available
    $2.4M against your award
    Facilities maintenance IDIQAwarded
    Partner matched
    LenderFederal Capital Partners
    Draw available$2.4M
    UnderwritingCleared
    The platform
    Influence
    Capture
    Analyze
    Manage
    Respond
    Finance
    One pipeline, six stages, start to award.
    See the whole platform
    Solutions
    By industry
    Tech & softwareSoftware and SaaS companies entering GovCon.Defense contractorsPrimes and subs in the defense industrial base.ConstructionBuilders bidding federal, state, and local work.CybersecuritySecurity vendors pursuing federal mandates.
    By team
    Capture managers & BDPipeline, qualification, and win strategy.Proposal teamsCompliance matrices and proposal drafting.Subcontractors & primesTeaming, subcontracting, and partner fit.
    By company size
    Small businessesSet-aside and small business contractors.EnterpriseLarge contractors running multiple pursuits.ConsultantsAdvisors and capture consultants.
    Browse all industries
    CustomersPricing
    ResourcesNew
    Learn
    AcademyCourses, guides, and playbooks.WebinarsLive sessions and recordings.DocsProduct documentation and setup guides.Implementation planOperational rollout guidance.
    Tools & data
    Free GovCon toolsCalculators, lookups, and more.Gov ExploreContracts, agencies, and NAICS codes.GovCon eventsConferences, training, and set-aside events.
    Latest blogIntroducing the New SamSearch: The Operating System for Government ContractingSamSearch has a new brand, a new site, and a new way of explaining what the platform actually does — the operating system for government contracting, organized around six stages instead of a single search box. Here's what changed and why.Read the post →
    All resources and tools
    Sign inRequest a demo
    /

    SamSearch Platform

    Stop searching. Start winning.

    AI-powered intelligence for the right opportunities, the right leads, and the right time.

    Book a Demo
    samsearch

    The Complete AI Platform for Government Contracting

    Platform
    • Product
    • Pricing
    • ROI calculator
    • Integrations
    • Changelog
    Solutions
    • Solutions
    • Customers
    • Comparisons
    • Market watch
    Resources
    • Blog
    • Free GovCon tools
    • Glossary
    • Docs
    Company
    • API & partnerships
    • Careers
    • Support
    • Compliance
    • Trust centre
    • Contact
    Recognised & verified
    SOC 2 Type II Compliant, SamSearchAWS Partner - Advanced, SamSearch on AWS MarketplaceGartner Peer Insights Customer First, SamSearch5.0RATED ON G2
    Ask AI about samsearch
    Ask ChatGPTAsk ClaudeAsk Perplexity
    Follow

    © 2026 samsearch. All rights reserved.

    Terms of usePrivacy policy
    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /541690

    NAICS Demand Lane

    Other Scientific and Technical Consulting Services, Contract Opportunities

    4,152 total opportunities (4,152 active) tied to NAICS 541690 across federal, state, local, and forecast sources.
    NAICS 541690Federal + SLED4.2K total
    View NAICS definition →
    Total Opportunities
    4.2K
    Across all indexed sources
    Active Estimate
    4.2K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541690.

    DEPARTMENT OF STATE

    PARTNER SECURITY LIAISON SERVICES, MOZAMBIQUE

    Archived

    AI Summary

    The Department of State is seeking proposals for partner security liaison services in Mozambique. This opportunity is classified under NAICS code 541690, focusing on consulting services related to security. Bidders should prepare to address the specific needs outlined in the RFP.

    DC

    Posted Oct 5, 2026JustificationNAICS 541690Sol: 19GE5026P0142
    View details→

    DEPARTMENT OF HEALTH AND HUMAN SERVICES

    COMMUNITY HEALTH IMMUNIZATION RESOURCES

    Active

    AI Summary

    The Indian Health Service is seeking quotes for Community Health Immunization Resources services under a 100% Indian Small Business Economic Enterprise set aside. This opportunity is issued as a Request for Quotation (RFQ) and quotes are due by 5:00 pm Eastern Time on October 13, 2026.

    MD

    Posted Oct 2, 2026Due Oct 13, 2026Combined Synopsis/SolicitationNAICS 541690Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)Sol: 75H70427Q00002
    View details→

    DEPARTMENT OF HEALTH AND HUMAN SERVICES

    HEALTH ECONOMICS ANALYSIS SERVICES

    Active

    AI Summary

    The Department of Health and Human Services is soliciting quotes for PhD-Level Health Economics Analysis Services under a firm-fixed-price purchase order. This opportunity is a total small business set-aside and falls under FAR Part 12. Interested parties should submit their quotes as per the provided instructions.

    MD

    Posted Oct 2, 2026Due Oct 9, 2026SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 75H70427Q00003
    View details→

    DEPT OF DEFENSE

    MC CBRN REQUEST FOR INFORMATION

    Active

    AI Summary

    The Department of Defense is seeking information for advisory and assistance services related to medical CBRN requirements. This opportunity involves providing technical and analytical support for the Air Force Medical Command's CBRN defense programs. Responses will be treated as informational only, and no contract wil…

    OH

    Posted Oct 2, 2026Due Oct 9, 2026Sources SoughtNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: FA800326R0016
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    VA MAGNETIC RESONANCE SAFETY EXPERT SERVICES

    Archived

    AI Summary

    The U.S. Department of Veterans Affairs seeks a contractor for Magnetic Resonance Safety Expert services to provide virtual support across participating sites in the Midwest Consortium. This requirement is set aside for Service-Disabled Veteran Owned Small Businesses and includes five one-year ordering periods. Proposa…

    TN

    Posted Sep 30, 2026Due Sep 21, 2026SolicitationNAICS 541690Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C24C26Q0022
    View details→

    DEPARTMENT OF AGRICULTURE

    MALDI BIOTYPER SIRIUS RUO EQUIPMENT SERVICE AGREEMENT

    Archived

    AI Summary

    The Department of Agriculture is seeking quotes for a service agreement for the MALDI Biotyper Sirius RUO System. This includes one preventive maintenance visit and unlimited emergency visits. Quotes are due by 10/05/2026 at 12:00 PM CST. Interested parties should refer to the attached scope of work for further details…

    MD

    Posted Sep 25, 2026Due Oct 5, 2026Combined Synopsis/SolicitationNAICS 541690Sol: 1232SA26Q1529
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    RESPIRATOR FIT TESTING

    Active

    AI Summary

    The Department of Veterans Affairs is seeking a contractor to provide industrial hygiene support, specifically for respirator fit testing for 700-1000 employees. The contractor will supply necessary equipment and consumables, including Controlled Air Purifying Respirators, and may also provide training based on operati…

    MD

    Posted Sep 24, 2026Due Oct 12, 2026Combined Synopsis/SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 36C24527Q0010
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    PERFUSION

    Archived

    AI Summary

    The Department of Veterans Affairs is seeking sources for on-site therapeutic medical physics services at the Orlando VA Medical Center. This Sources Sought notice is intended for market research and planning purposes, and responses are due by October 1, 2026. Interested firms must be registered in SAM and provide a ca…

    FL

    Posted Sep 24, 2026Due Oct 1, 2026Sources SoughtNAICS 541690Sol: 36C24827Q0028_1
    View details→

    DEPARTMENT OF THE INTERIOR

    F--DISTRICT 18 ENVIRONMENTAL ASSESSMENT

    Archived

    AI Summary

    The opportunity involves an environmental assessment for District 18 under the Department of the Interior, Bureau of Indian Affairs. However, this requirement has been canceled as per the latest amendment. Interested parties should stay updated for future opportunities.

    NM

    Posted Sep 23, 2026Due Sep 23, 2026SolicitationNAICS 541690Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)Sol: 140A0926Q0033
    View details→

    DEPARTMENT OF ENERGY

    R--TECHNICAL SERVICES SUPPORT

    Active

    AI Summary

    The Department of Energy Office of Science is seeking a contractor to provide security support services at the Oak Ridge facility. This includes site-wide security functions to protect critical national security assets. Interested bidders should note that this opportunity is a solicitation and does not fall under Simpl…

    TN

    Posted Sep 22, 2026Due Oct 14, 2026SolicitationNAICS 5416908(a) Set-Aside (FAR 19.8)Sol: 89243126RSC000172
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,031
    sled
    2,082
    forecast
    39

    Related NAICS Codes

    • 54, Professional, Scientific, and Technical Services→
    • 541, Professional, Scientific, and Technical Services→
    • 5411, Legal Services→
    • 54111, Offices of Lawyers→
    • 541110, Offices of Lawyers→
    • 54112, Offices of Notaries→
    • 541120, Offices of Notaries→
    • 54119, Other Legal Services→
    • 541191, Title Abstract and Settlement Offices →
    • 541199, All Other Legal Services →

    Explore

    • 541690 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 541690

    This industry comprises establishments primarily engaged in providing consulting services in scientific and technical fields not classified elsewhere. These services include specialized consulting in areas such as environmental, agricultural, and other technical fields.

    Read the full NAICS definition →