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NAICS Code· 541990

All Other Professional, Scientific, and Technical Services

This industry comprises establishments primarily engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services). Illustrative Examples: Appraisal (except real estate) services Marine surveyor (i.e., appraiser) services Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices) Patent broker services (i.e., patent marketing services) Commodity inspector services Pipeline or power line inspection (i.e., visual) services Consumer credit counseling services Weather forecasting services Handwriting analysis services Cross-References. Establishments primarily engaged in--Show more

NAICS 541990 — All Other Professional, Scientific, and Technical Services — captures a broad spectrum of specialized, non-classified professional services that support federal mission objectives but fall outside more defined NAICS categories. This includes strategic consulting, operational analysis, human capital development, technical advisory services, niche scientific research, security program design, and customized program management support.

620
Active Contracts
$4.8B
Total Obligations (12mo)
4.0K
Awarded Contracts (12mo)
1.8K
Contractors Awarded (12mo)
-80.6%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 541990 — All Other Professional, Scientific, and Technical Services.

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NAICS 541990 FAQ

Frequently Asked Questions

NAICS code 541990 covers All Other Professional, Scientific, and Technical Services. This industry comprises establishments primarily engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services). Illustrative Examples: Appraisal (except real estate) services Marine surveyor (i.e., appraiser) services Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices) Patent broker services (i.e., patent marketing services) Commodity inspector services Pipeline or power line inspection (i.e., visual) services Consumer credit counseling services Weather forecasting services Handwriting analysis services Cross-References. Establishments primarily engaged in--

Recently Posted in All Other Professional, Scientific, and Technical Services

NAICS: 541990
New
Federal
Aviation Safety Reporting System and Related Systems (ASRS-RS)The Aviation Safety Reporting System and Related Systems contract aims to operate and maintain the Aviation Safety Reporting System and the Confidential Close Call Reporting System, both of which collect, analyze, and disseminate de-identified safety data to identify and mitigate potential hazards within the aviation and rail industries. These systems rely on confidential reporting from frontline personnel to uncover safety trends and vulnerabilities, promoting a non-punitive environment that encourages open reporting and proactive risk reduction across the transportation sector. The contractor will be responsible for managing end-to-end operations including report intake, data analysis, reporting, and dissemination of safety insights to stakeholders such as regulators, operators, and industry groups. The contract is forecasted by NASA’s Ames Research Center under the NAICS code 541990 and is expected to be performed in Mountain View. The point of contact for inquiries is Becky L. Hooey, with additional support available through the Small Business Specialist Robert E. Watts. While no solicitation number or set-aside details are provided, the posting date indicates this opportunity is planned for future release, potentially allowing small businesses and other eligible entities to prepare for upcoming bidding. The goal is to sustain a robust safety reporting infrastructure that enhances national transportation safety through data-driven insights and institutional learning.
Ames Research Center

POSTED

in over 1 year

DEADLINE

N/A
View Details
NAICS: 541990
New
Federal
Kennedy Operational and Institutional Support (KOIS) Contract.The Kennedy Operational and Institutional Support contract is an 8(a) set-aside forecasted for performance at Kennedy Space Center, aimed at providing comprehensive institutional and operational support services to the National Aeronautics and Space Administration. The scope encompasses a wide array of training programs including OSHA, EPA, and USDOT mandated safety training, alongside employee and organizational development initiatives and other operational safety services critical to KSC’s functions. Additional required services include logistics and internal controls management, export controls compliance, and American Sign Language interpretation to ensure accessibility and regulatory adherence across all operations. This contract is designed to support the daily functionality and regulatory compliance of NASA’s Kennedy Space Center through specialized, high-value services provided by a small business concern under the 8(a) program. The North American Industry Classification System code 541990 indicates it falls under other professional, scientific, and technical services. Point of contact for inquiries is Ellen Lamp, with Natalie B. Colvin serving as the Small Business Specialist, both reachable through official NASA email addresses. The contract is forecasted to be issued starting January 1, 2028, with performance expected to be localized at KSC, and no specific place of performance details beyond that are available.
Kennedy Space Center

POSTED

in over 1 year

DEADLINE

N/A
View Details
NAICS: 541990
New
DIBBS
MIL-STD-129 Marking and Labeling ServicesThe contract requires full compliance with MIL-STD-129 for the application of markings and barcodes on all packages and pallets, ensuring proper identification and tracking throughout the supply chain. This includes the placement of Unique Item Identification (UID) tags on eligible items and the addition of specialized radioactive material labels where necessary, adhering to all regulatory and safety standards. Work must be performed with precision to meet military logistics requirements, with documentation and labeling accuracy critical to successful delivery and acceptance. The solicitation is issued under NAICS code 541990 for other professional, scientific, and technical services, and is classified as a subcontract. The place of performance is specified as New Cumberland, Pennsylvania, with a zip code of 17070-5002. The contract was posted on July 19, 2026, and responses are due by July 27, 2026, under the oversight of the ASC Commodities Division within the Department of Defense. All activities must be completed within the stipulated timeline and meet the exacting standards required by the military for item traceability and operational readiness.
ASC COMMODITIES DIVISION

POSTED

1 day ago

DEADLINE

in 7 days
View Details
NAICS: 541990
New
DIBBS
Small Business Joint Venture or Teaming PartnerThis contract is a small business set-aside opportunity reserved exclusively for small businesses under the SBA’s Total Small Business Set-Aside program as defined by FAR 19.5, with the NAICS code 541990 indicating it pertains to other scientific and technical consulting services. Small businesses are invited to form joint ventures or teaming arrangements to collectively meet the eligibility requirements and compete for this prime contract award. The solicitation is open for responses until August 3, 2026, with submissions required by 5:00 PM Eastern Time, and the opportunity was posted on July 19, 2026. The contracting activity is under the ASC Commodities Division of the Department of Defense, and while the specific place of performance is not defined, the award will be administered as a subcontract opportunity under this set-aside structure. Interested parties must ensure their joint venture or teaming arrangement complies with SBA regulations regarding small business control and performance obligations to qualify.
ASC COMMODITIES DIVISION

POSTED

1 day ago

DEADLINE

in 14 days
View Details
NAICS: 541990
New
DIBBS
Data Retrieval UnavailableNo contract data is available due to a system timeout that prevented access to prime contract details, making it impossible to identify any subcontract opportunities or provide a work breakdown. The solicitation number is unspecified, and key details including the type of set aside, organization type, office address, place of performance, and point of contact are all missing. The contract is categorized under NAICS code 541990 and is listed as a subcontract with the Department of Defense’s Defense Logistics Agency as the involved agency. The official record is accessible via a public link, but no substantive information can be retrieved from the system at this time.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details
NAICS: 541990
New
Federal
H--YELL FIRE EXTING INSPECT/TEST, RECHARG, & REPLCThe Department of the Interior, through the Imr Northern ROCKIES office, is conducting market research for fire extinguisher inspection, testing, recharging, and replacement services at Yellowstone National Park in Wyoming under solicitation number 140P1426Q0056. This action is a Sources Sought Notice issued under FAR 15.201(e) for market research purposes only and is not a request for quotation or a commitment to award a contract. The government seeks information from small businesses capable of performing annual servicing for approximately 1,650 fire extinguishers located across NPS facilities, with specific service requirements including annual inspections, six-year internal inspections, hydrostatic testing, recharges, and replacements in accordance with NFPA standards. The proposed contract would be structured as a five-year Blanket Purchase Agreement with annual performance expected between June 1 and August 31, beginning in 2026, and invoicing due no later than September 15 of each year. All responses must be submitted via email to Sally Leitch, Contracting Officer, by May 5, 2026, at noon Mountain Time. This procurement is a Total Small Business Set-Aside under FAR 19.5 with NAICS code 541990, and responders must certify their company size, socio-economic status, SAM UEI, and Cage Code. Vendors are required to provide commercial pricing for various extinguisher types and sizes, including 2.5 lb. H2O, 5 lb. and 10 lb. ABC DC, 20 lb. ABC DC, 6 L Class K, and 5 lb. Halotron units, along with detailed experience examples and subcontracting plans. The government will not reimburse any costs incurred in responding to this notice, and no contract obligation is implied by participation.
Imr Northern ROCKIES(12200)

POSTED

3 days ago

DEADLINE

in 11 days
View Details
NAICS: 541990
New
SLED
Technical Field Support and On-Site TroubleshootingThe contract seeks on-site technical field support for diagnosing and resolving mechanical failures, control system faults, and integration challenges with plant SCADA systems specifically related to JWC grinders. Services must be delivered promptly in response to operational incidents, ensuring minimal downtime and seamless functionality of critical waste processing equipment. Technical personnel are expected to possess hands-on expertise in industrial grinding systems, programmable logic controllers, and SCADA network protocols to effectively troubleshoot and implement solutions directly at the point of failure. The contract is categorized as a subcontract under NAICS code 541990 for Other Scientific and Technical Consulting Services and is issued by the City of Atlanta through the Georgia state procurement system. Responses are due by July 29, 2026, with the solicitation publicly posted on July 17, 2026. There is no specified set-aside designation or point of contact provided, and the exact location of performance is not detailed, implying that support may be required at any facility within Georgia where JWC grinders are operational. All work must be performed on-site as needed, with no indication of remote support being acceptable.
City of Atlanta

POSTED

3 days ago

DEADLINE

in 8 days
View Details
NAICS: 541990
New
SLED
Data Conversion & Migration ServicesThe contract seeks a vendor to extract, clean, transform, and load legacy data from financial, human resources, and asset management systems into a new ERP platform. The scope includes comprehensive data mapping, validation, and quality assurance to ensure accuracy and integrity throughout the migration process. The work must be completed with precision to support seamless operational continuity within the City of Fort Collins’ systems upon transition. This subcontract is posted under NAICS code 541990 and is open for bidding with a submission deadline of August 18, 2026. The contracting agency is the City of Fort Collins, operating under the state of Colorado, though specific performance location details are not provided. There is no set-aside designation specified, and the solicitation is available for review through the BidNet Direct portal. Contractors are expected to deliver a fully functional, validated data migration that meets the technical and operational demands of the new ERP environment.
City of Fort Collins

POSTED

3 days ago

DEADLINE

in 29 days
View Details
NAICS: 541990
New
Identity Verification Transactions (PreciseID with KIQ/CCV)The contract requires the provision of 30,000 identity verification transactions using Experian’s PreciseID solution integrated with KIQ and CCV technologies to meet NIST 800-63-2 LOA2 authentication standards for federal users accessing CDC systems through the SAMS platform. These verifications must ensure secure and reliable identity assurance at a level compliant with federal guidelines for moderate-risk access. The work is to be performed at the designated place of performance in Atlanta, Georgia, with the deliverables specifically tied to transaction volume and technical compliance rather than broad service scope. This subcontract is issued under the SBA set-aside program, indicating eligible small business participation is required, and falls under NAICS code 541990 for other professional, scientific, and technical services. The solicitation was posted on July 17, 2026, with a response deadline of July 21, 2026, and is associated with the Department of Health and Human Services through its Office of Mission Acquisition Solutions. The contract is administered under the GSA eBuy platform under contract number GS-35F-0147T, and performance is expected to support critical federal infrastructure by enabling secure digital authentication for CDC systems.
Department of Health and Human Services

POSTED

3 days ago

DEADLINE

in about 17 hours
View Details
NAICS: 541990
New
SLED
Media Monitoring and ReportingThe contract titled Media Monitoring and Reporting entails the ongoing monthly tracking and analysis of media presence across print, digital, and broadcast channels, with a focus on quantifying impressions, coverage volume, and public sentiment. The deliverables require consistent reporting of data gathered from a broad spectrum of media outlets to assess the reach and tone of communications related to OC Community Resources. This subcontract, classified under NAICS code 541990, is open for bid with a response deadline of August 14, 2026, and is posted under the agency based in California. Performance of the work is expected to be conducted remotely without a specified physical location, and the scope prioritizes accuracy, timeliness, and comprehensive coverage of media landscapes to support strategic communication evaluation and public affairs planning.
OC Community Resources

POSTED

3 days ago

DEADLINE

in 25 days
View Details
NAICS: 541990
New
Section 508 Compliance & Document RemediationThis contract requires full compliance with Section 508 accessibility standards for all electronic and paper-based deliverables produced under the agreement, specifically through meticulous PDF tagging, creation of descriptive alternative text for images, proper bookmarking for navigation, and comprehensive accessibility testing to ensure usability for individuals with disabilities. The work must be performed in alignment with federal guidelines to guarantee that documents produced for the United States Fish and Wildlife Service, Alaska Region, are fully accessible and meet all required technical criteria. The contract is structured as a subcontract under NAICS code 541990 and is associated with the Department of the Interior, with performance required to occur in Alaska, at a designated location with a zip code of 97232. Bidders must submit their responses by the deadline of July 30, 2026, at 5:00 PM, and the opportunity was posted on July 17, 2026. All deliverables must be prepared to meet rigorous accessibility benchmarks, with no exceptions permitted, and participation is expected to follow established federal procurement procedures accessible through the eBuy GSA portal.
Department of the Interior

POSTED

3 days ago

DEADLINE

in 10 days
View Details
NAICS: 541990
New
SLED
Executive Search & Presidential Recruitment ServicesCape Cod Community College is seeking a vendor to provide full-cycle executive search services for the recruitment of a new President, encompassing the identification, vetting, and recommendation of qualified candidates through comprehensive stakeholder engagement, targeted candidate outreach, rigorous screening, and the presentation of a final slate of top-tier prospects. The scope includes all phases of the process from initial planning and community input gathering to final candidate selection support, ensuring alignment with the college’s strategic goals and institutional values. The contract is structured as a subcontract under NAICS code 541990, with responses due by August 10, 2026, and performance expected to center in West Barnstable, Massachusetts, at the college’s primary campus location. The solicitation was posted on July 17, 2026, and reflects a deliberate, methodical approach to securing leadership capable of guiding the institution through its next chapter.
1373CONVD - Cape Cod Community College

POSTED

3 days ago

DEADLINE

in 20 days
View Details

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