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 | Animal Science Renovation Special Inspection and Testing Services The State of Utah Division of Facilities Construction and Management is seeking DFCM-approved special inspection and materials testing services for the Utah State University Animal Science Renovation and Expansion project, with an estimated inspections budget of $192,438. Utah State University, Logan, UT, USA•Request for Proposal (RFP) | State of Utah > Division of Facilities Construction and Management | 10/29/2026 |
| Open | Fryar Avenue Shared Use Trail Construction Management Services The City of Sumner is seeking qualifications from consultants to provide construction management, inspection, administration, document control, and special inspection services for the Fryar Avenue Shared Use Trail Project. Sumner, WA, USA•Request for Quote/Qualifications (RFQ) | City of Sumner | 11/4/2026 |
| 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 | Task Order Professional Services Agreement California State University San Marcos is seeking qualified professional service providers for an as-needed task order agreement covering architectural and engineering, inspection, MEP engineering, materials testing, and signage and wayfinding services. 333 South Twin Oaks Valley Road, San Marcos, CA, USA•Request for Proposal (RFP) | California State University > San Marcos | 11/17/2026 |
| Open | Highway Construction Management, Inspection, and Materials Testing The Colorado Department of Transportation is seeking engineering consultants for construction management, construction inspection, and materials testing for the US 40 Red Dirt Hill Safety Improvements Phase II project in Winter Park. Winter Park, CO, USA•Request for Proposal (RFP) | Colorado > Department of Transportation | 11/5/2026 |
| Open | On-Call Construction Management Services San Joaquin County Public Works is seeking qualified firms for on-call construction management, administration, and inspection services for county projects, with an initial two-year term and possible extensions. San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ) | San Joaquin County > Department of Public Works | 11/13/2026 |
| Open | New Middle School Quality Assurance and Materials Testing Services The North Kingstown School Department is seeking a contractor to provide quality assurance, construction inspection, and materials testing services for the New Wickford Middle School. 250 Tower Hill Road, North Kingstown, RI, USA•Request for Proposal (RFP)Minority-Owned BusinessWoman-Owned Business | Town of North Kingstown > North Kingstown School Department | 10/27/2026 |
| Open | General Engineering Support Services Arenas Valley Mutual Domestic Water Consumers Association is seeking surveying, planning, and engineering services for general engineering support under a qualifications-based RFP. Silver City, NM, USA•Request for Proposal (RFP) | Arenas Valley Mutual Domestic Water Consumers Association | 11/30/2026 |
| Open | Miscellaneous Professional Services Master Contract The Village of Estero is seeking qualified firms for an as-needed master contract covering professional consulting, engineering, surveying, environmental, planning, and related services, with a three-year initial term and possible renewal. 9401 Corkscrew Palms Circle, Estero, FL, USA•Request for Proposal (RFP)Disadvantaged BusinessMinority-Owned Business | Village of Estero | 11/16/2026 |
| 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 | 11/4/2026 |
| Open | On-Call Deputy County Surveyor Services Imperial County Department of Public Works is seeking two consultants for three-year, on-call Deputy County Surveyor assistance, including surveying, document review and preparation, field surveys, research, and related staff support. Imperial County, CA, USA•Request for Proposal (RFP) | Imperial County > Public Works Department > Facilities Management | 11/2/2026 |
| 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 |
| Open | FY2027 Professional Services The City of Baytown is seeking statements of qualifications from qualified Texas-registered firms for one or more professional service disciplines under an FY2027 contract. Baytown, TX, USA•Request for Quote/Qualifications (RFQ) | City of Baytown | 11/4/2026 |
| Open | Surveying, Planning, and General Engineering Services Casas Adobes Mutual Domestic Water Consumers Association is seeking professional surveying, planning, and general engineering services through a qualifications-based competitive proposal. Las Cruces, NM, USA•Request for Proposal (RFP) | Casas Adobes Mutual Domestic Water Consumers Association | 11/24/2026 |
| 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 | Third-Party Quality Inspection Services Manitoba Hydro is seeking as-needed third-party quality inspection services across Manitoba and international regions under a five-year contract. Manitoba, Canada•Request for Proposal (RFP) | Manitoba Hydro | 11/4/2026 |
| Open | Construction Engineering and Inspection Services for CDBG-DR Projects Hillsborough County is seeking proposals for construction engineering and inspection services, including materials testing 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 | County Accounting Services Essex County is seeking accounting services through a two-year contract beginning January 1, 2027. Essex County, NJ, USA•Request for Proposal (RFP) | Essex County > Office of Treasurer | 11/5/2026 |
| Open | 2027 Planning and Zoning Professional Services The City of Summit Planning Board and Zoning Board of Adjustment are seeking qualification statements from firms to provide 2027 engineering, planning, attorney, and stenographic services. Summit, NJ, USA•Request for Quote/Qualifications (RFQ) | City of Summit > Zoning Board of Adjustment | 10/29/2026 |
| 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 > U.S. 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 | Soils and Materials Engineering Services for Youth and Family Centres The Societe quebecoise des infrastructures is seeking professional soils and materials engineering services for the design and construction oversight of new Batshaw youth and family centres at its Beaconsfield campus. 141 Avenue Elm, Beaconsfield, QC, Canada•Request for Proposal (RFP) | Government of Canada > Société québécoise des infrastructures > Direction des services professionnels et des modes alternatifs | 11/13/2026 |
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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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