NAICS 541990: Vendors that win government contracts in this category are 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).


  • Appraisal (except Real Estate) Services
  • Arbitration And Conciliation Services (except By Lawyer, Attorney, Or Paralegal Offices)
  • Commodity Inspector Services
  • Consumer Credit Counseling Services
  • Handwriting Analysis Services
  • Marine Surveyor (i.e., Appraiser) Services

Market Stats Related Contracts

Open Projects Related Projects

One Sec...
374 MAF Advisory and Assistance Services Last updated 54 minutes ago / Department of the Air Force
Sources Sought
Due 5/16/18

This is a SOURCES SOUGHT NOTICE to identify companies with the capacity, experience, and interest in competing for the opportunity to provide contracted advisory and assistance services for the 374th Mobility Air Forces flying squadrons at Yokota AB, Japan. All information is to be submitted at no... read more

TASK 1. 5 Dia Inducer Fabrication Last updated 12 hours ago / National Aeronautics and Space Administration
Due 4/27/18

Synopsis: NASA/NSSC has a requirement for Task 1.5 Dia Inducer Fabrication & Process Development and CCAT Delivery of 5 Add inducers. NASA/NSSC intends to issue a sole source contract to Connecticut Center for Advanced Technology Inc 222 Pitkin Street East Hartford, CT 06108 under the authority of... read more

Technical & Expert Consutant Services for OSHA/DSG Last updated 13 hours ago / Department of Labor
Sources Sought
Due 5/10/18

I. DISCLAIMER: The United States Department of Labor (DOL) is conducting market research to determine feasibility for a potential procurement requirement. This is NOT A SOLICITATION for proposals, proposal abstracts, or quotations; nor is a commitment by the Government to issue a solicitation. No... read more

Due 5/9/18

Synopsis. read more

USPSC Regional Development Outreach & Communications Coordinator (DOC), USAID/Central Asia Last updated 23 hours ago / Agency for International Development
Due 5/4/18

SOLICITATION NUMBER: 06/2018 ISSUANCE DATE: 04/23/2018 CLOSING DATE: 05/04/2018 (6:00 pm Almaty local time) SUBJECT: Solicitation for Personal Services Contractor (PSC) No. 06-2018 USPSC Regional Development Outreach & Communications Coordinator, USAID/Central Asia, Almaty, Kazakhstan Dear Prosp... read more

BAA - Limodzi Program Last updated 1 day ago / Agency for International Development
Due 5/25/18

The United States Agency for International Development in Malawi (USAID/Malawi) is issuing this Broad Agency Announcement (BAA) to seek participants to co-create, co-design, co-invest, and collaborate on research and development interventions to strengthen citizen engagement and foster agency for c... read more

CMO Data Mining SaaS Last updated 1 day ago / Other Defense Agencies
Sources Sought
Due 5/7/18

DEPARTMENT OF DEFENSE WASHINGTON HEADQUARTERS SERVICES ACQUISITION DIRECTORATE SOURCES SOUGHT NOTICE General Information Document Type: Sources Sought Notice Title: CMO Data Sources Sought Post Date: 04/20/2018 Sources Sought Response Date: 05/7/2018 NAICS Code: 541990, All Other Professional, Sc... read more

Instream Flow Reporting Services-BPA Last updated 1 day ago / Department of Agriculture
Due 5/15/18

The US Forest Service R4-Intermountain Region has a requirement to set-up a Blanket Purchase Agreement (BPA) for recurring Instream Flow Measurement, Analysis, & Reporting Services. The contractor will be responsible for collecting fish habitat and hydrologic field data; organizing, interpolating, a... read more