NAICS 541990 - All Other Professional, Scientific, and Technical Services RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities
Browse open All Other Professional, Scientific, and Technical Services (NAICS 541990) RFPs, RFIs, RFQs, and Sources Sought on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.
About All Other Professional, Scientific, and Technical Services (NAICS 541990)
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).
| Status | Title | Buyer | Due Date |
|---|---|---|---|
| Open | NSPIRE Inspection Services The Middletown Housing Authority is seeking licensed inspectors to conduct approximately 350 annual and occasional special NSPIRE inspections for its 349 housing units. Middletown, NJ, USA•Request for Proposal (RFP)Minority-Owned Business | Middletown Housing Authority | 10/14/2026 |
| Open | Architectural, Engineering & Surveyors Roster The City of Ocean Shores is seeking qualified firms for architectural, engineering, and surveying services through a roster maintained by the Washington State Office of Minority and Women's Business Enterprises. Ocean Shores, WA, USA•Request for Quote/Qualifications (RFQ) | Washington > Office of Minority and Women's Business Enterprises | 12/31/2026 |
| Open | Chapter 1 and 17 Storm Drain Inspections Lexington School District Four is seeking third-party inspectors for Chapter 1 and Chapter 17 storm drain inspections at 140 Lewis Rast Road in Swansea, South Carolina. 140 Lewis Rast Road, Swansea, SC, USA•Invitation for/to Bid (IFB/ITB) | Lexington School District Four | 11/2/2026 |
| Open | Contract Administration and Construction Inspection for Intersection Improvements The City of Lake Forest is seeking contract administration and construction inspection services for two intersection improvement projects involving additional turn lanes, roadway widening, traffic signals, pedestrian facilities, and related infrastructure. Lake Forest, CA, USA•Request for Proposal (RFP) | City of Lake Forest > Public Works Department | 10/21/2026 |
| Closed | On-Call Surveying, Planning, and Engineering Services The Village of Tularosa is requesting qualifications-based proposals for on-call professional surveying, planning, and engineering services. 705 Saint Francis Drive, Tularosa, NM, USA•Request for Proposal (RFP) | Tularosa Municipal Schools | 10/9/2026 |
| Open | Financial, Accounting, Audit, Systems, and Advisory Services The Nunavut Housing Corporation is seeking proposals for standing-offer financial, accounting, audit, systems, and advisory services under a 12-month contract. Iqaluit, NU, Canada•Request for Proposal (RFP) | Nunavut > Nunavut Housing Corporation | 10/19/2026 |
| Open | Facility Inspection and Diagnostic Services The Hawaii Department of Transportation is seeking facility inspection and diagnostic services for the Highways Oahu District under a one-year contract. 727 Kakoi Street, Honolulu, HI, USA•Request for Quote/Qualifications (RFQ) | Hawaii > Department of Transportation > Highways > Highways Oahu District | 10/16/2026 |
| Open | Audit and Accounting Services Prequalification The University of Hawaiʻi is seeking certified public accountants to submit qualifications and letters of interest for a continuously recruited pre-qualified list providing audit and accounting services during fiscal year 2027. University of Hawaiʻi at Mānoa, Honolulu, HI, USA•Request for Quote/Qualifications (RFQ) | University of Hawaii | - |
| Closed | Request for Qualifications: Architectural, Engineering, Land Surveying, Materials Testing, Testing and Balancing, and Commissioning Services Springfield Public Schools is seeking qualifications from firms for architectural, engineering, land surveying, materials testing, testing and balancing, and commissioning services to support future construction projects. Springfield, MO, USA•Request for Quote/Qualifications (RFQ) | The School District of Springfield R-12 | 10/9/2026 |
| Open | Professional Services for Ocean County Vocational Technical Schools Ocean County Vocational Technical School Board of Education is requesting sealed proposals for auditing, architectural, engineering, labor and negotiation consulting, legal, and qualified marketing professional services for a one-year contract. Toms River, NJ, USA•Request for Proposal (RFP) | Ocean County Vocational Technical Schools | 10/20/2026 |
| Open | Prequalified Construction Management and Inspection Services The Town of Parker is seeking qualified professional consultants for prequalified construction management and inspection services, including construction administration, field inspection, materials testing, and related engineering support for projects up to $500,000 each. Parker, CO, USA•Request for Quote/Qualifications (RFQ) | Town of Parker | 10/28/2026 |
| Open | 2027 Pre-Qualified Technical Registrants Mohave County is seeking Statements of Qualifications from firms in seven technical disciplines for its 2027 pre-qualified registrants list, including architecture, engineering, geology, surveying, inspection, landscape architecture, and alarm services. Mohave County, AZ, USA•Request for Quote/Qualifications (RFQ) | Mohave County > Department of Procurement | 11/4/2026 |
| Open | Traffic Signal Mast Arm Inspection Services The City of Port St. Lucie is seeking contractors to inspect traffic signal mast arms and overhead sign structures, prepare detailed reports, and provide related administrative and project management support under a five-year contract. Port St. Lucie, FL, USA•Invitation for/to Bid (IFB/ITB) | Town of Palm Beach > Procurement and Contracts Management Division | 10/30/2026 |
| Closed | Bridge General Consulting and Inspection Services The New York State Bridge Authority is seeking licensed professional engineers to provide general consulting, bridge inspections, design, reporting, and construction inspection services for its Hudson River crossings and Walkway Over the Hudson. New York, USA•Request for Proposal (RFP)Minority-Owned BusinessWoman-Owned Business | New York State Bridge Authority | 10/9/2026 |
| Open | Right-of-Way Appraisal and Acquisition Services The City of Hanford is seeking proposals for right-of-way appraisal, appraisal review, and related acquisition consulting for three properties needed for a federally funded traffic signal project at 9th Avenue and E. Lacey Boulevard. Hanford, CA, USA•Request for Proposal (RFP) | City of Fresno > Purchasing Division | 10/14/2026 |
| Open | Bridge 185 Construction Inspection Services Montgomery County, Pennsylvania, is seeking a qualified consultant or consulting team to provide full-time on-site construction oversight and inspection for the replacement of Bridge 185 on Germantown Pike over Five Mile Run. East Norriton Township, PA, USA•Request for Proposal (RFP) | Montgomery County | 10/15/2026 |
| Open | Borough Auditor Services The Borough of Pompton Lakes is seeking qualification statements from firms to provide borough auditor professional services for calendar year 2027. 25 Lenox Avenue, Pompton Lakes, NJ, USA•Request for Quote/Qualifications (RFQ) | Borough of Pompton Lakes | 11/20/2026 |
| Open | Chicago Construction Inspection Services The U.S. Department of Housing and Urban Development is seeking construction inspection services in Chicago, Illinois under an SBA set-aside. Chicago, IL, USA•Request for Proposal (RFP)Small Business | United States of America > HOUSING AND URBAN DEVELOPMENT, DEPARTMENT OF > CPO : CHICAGO OPERATIONS BRANCH | 10/14/2026 |
| Open | Convergence Hall Code and Special Inspection Services The State of Utah Division of Facilities Construction and Management is seeking prequalified code inspection contractors to provide code, special inspection, materials testing, and related management services for the approximately 163,000-square-foot Convergence Hall project in Draper, Utah, with an estimated inspections budget of $650,000. Draper, UT, USA•Request for Proposal (RFP) | State of Utah > Division of Facilities Construction and Management | 10/14/2026 |
| Open | Construction Engineering and Inspection Services Hillsborough County is seeking professional firms to provide construction engineering and inspection, materials testing, utility coordination, geotechnical services, and contract administration for capital improvement and work-order projects under a three-year, $5 million term contract. Hillsborough County, FL, USA•Request for Proposal (RFP) | Hillsborough County > Capital Programs Department | 10/29/2026 |
| Open | Annual Financial Audit Services Rock Region METRO is requesting qualifications from professional accounting and auditing firms to provide annual financial audit services. Little Rock, AR, USA•Request for Quote/Qualifications (RFQ) | METRO | - |
| Open | Laboratory, Soil and Materials Engineering Services Defence Construction Canada is issuing an advance notice for a potential standing offer agreement covering laboratory, soil and materials engineering, geoenvironmental, and building science services at Valcartier Garrison and surrounding areas. Saint-Gabriel-de-Valcartier, QC, Canada•Other | Government of Canada > Defence Construction Canada > Western Region | 10/30/2026 |
| Open | Cutter Engineering and Weapons Training Building Phase 2 Construction Inspection Services The U.S. Department of Homeland Security, through the U.S. Coast Guard, is seeking firm-fixed-price construction inspection services for Phase 2 of the Cutter Engineering and Weapons Training Building at Training Center Yorktown, Virginia, with an estimated value of $350,000 to $500,000. Yorktown, VA, USA•Request for Proposal (RFP) | United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD | - |
| Open | Engineering, Planning and Professional Consulting Services Roster The Municipality of Clarington is seeking prequalification responses from firms providing quantity surveying and cost estimating services for inclusion in a 36-month professional consulting roster, with future assignments potentially valued up to $250,000. Clarington, ON, Canada•Request for Quote/Qualifications (RFQ) | Municipality of Clarington | 10/30/2026 |
| Open | Matawinie Property Assessment Services MRC de Matawinie is seeking professional property assessment services for local municipalities and the unorganized territory within its jurisdiction under a 36-month contract. Matawinie, QC, Canada•Request for Proposal (RFP) | Quebec > MRC de Charlevoix-Est | 10/22/2026 |
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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; sci…
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