NAICS 541690 - Other Scientific and Technical Consulting Services RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Other Scientific and Technical Consulting Services (NAICS 541690) 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 Other Scientific and Technical Consulting Services (NAICS 541690)

This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental).

StatusTitleBuyerDue Date
OpenProfessional Consulting Services for the City of Prior Lake

The City of Prior Lake, MN is seeking statements of qualifications for professional consulting services for public works projects.

17073 Adelmann Street SE, Prior Lake, MN, USARequest for Proposal (RFP)
Prior Lake9/30/2026
OpenOn-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, USARequest for Proposal (RFP)
Tularosa Municipal Schools10/9/2026
OpenProgram Management Consulting Services

Hillsborough County Sheriff's Office is seeking a vendor to provide program management consulting services under RFQ 2026-004.

United StatesRequest for Quote/Qualifications (RFQ)
Florida > Department of Management Services > Office of Supplier Development-
OpenProfessional Services Roster for Public Works

The City and Borough of Sitka Public Works Department is seeking qualifications-based proposals from consultants to establish a five-year Professional Services Roster from January 1, 2027, through December 31, 2031, with submissions by email.

Sitka City and Borough, AK, USARequest for Proposal (RFP)
City and Borough of Sitka > Public Works Department1/1/2027
OpenAs-Needed Professional Consulting Master Services Agreements

The City of Carlsbad and Carlsbad Municipal Water District are seeking qualified consultants for as-needed master services agreements covering five professional consulting disciplines, including civil engineering, environmental planning, labor compliance, utility infrastructure inspection, and municipal infrastructure finance.

1635 Faraday Avenue, Carlsbad, CA, USARequest for Quote/Qualifications (RFQ)
City of Carlsbad > Contract Administration9/14/2026
OpenProfessional Consultant Firm Prequalification

The Connecticut Department of Transportation is seeking professional consultant firms for prequalification to provide services during calendar year 2027.

Connecticut, USAInvitation for/to Bid (IFB/ITB)
State of Maine > Department of Transportation10/15/2026
OpenGeneral Engineering Consulting Services

County of Wetaskiwin No. 10 is seeking engineering consultants to establish a roster supporting municipal infrastructure planning, assessment, design, procurement, construction, and lifecycle management.

Alberta, CanadaRequest for Proposal (RFP)
County of Wetaskiwin No. 1011/16/2026
OpenOn-Call Architectural and Engineering Consultant Roster

The City of Lynnwood is seeking qualified consulting teams for an on-call roster providing permitting and inspection, development engineering, planning, critical-area review, and economic development services under RFQ 4129, with a contract amount not to exceed $95,000.

Lynnwood, WA, USARequest for Quote/Qualifications (RFQ)Small BusinessMinority-Owned BusinessWoman-Owned BusinessVeteran-Owned Business
City of Lynnwood > Public Works Department9/18/2026
OpenABC Project Health and Safety Consulting Services

The Pittsburgh Water and Sewer Authority is seeking a full-time onsite health and safety consultant to provide field and administrative support for the ABC Project under the direction of the Construction EHS Manager.

Pittsburgh, PA, USARequest for Proposal (RFP)
Pittsburgh Water and Sewer Authority9/15/2026
OpenProfessional Consulting Services Pool

Three Rivers Park District is seeking qualified consulting firms for a five-year professional consulting services pool covering architecture, engineering, planning, landscape architecture, natural resources, and specialty areas.

Minnesota, USARequest for Quote/Qualifications (RFQ)Disadvantaged Business
Three Rivers Park District9/15/2026
OpenSpeed River Floodplain and Special Policy Area Review

The City of Guelph is seeking consulting services to review the Special Policy Area and Speed River floodplain through December 31, 2028.

Guelph, ON, CanadaRequest for Proposal (RFP)
City of Guelph9/28/2026
OpenPublic Works Consulting Services Roster

Niagara Region is seeking consultants to prequalify for a 29-category Public Works supplier roster covering general, water and wastewater, transportation, and waste management services for 2027 through 2029.

Niagara, ON, CanadaRequest for Quote/Qualifications (RFQ)
Niagara Region10/1/2026
OpenStrategic Employment Area Environmental and Secondary Planning

The Township of Adelaide Metcalfe is seeking a consultant for a Strategic Employment Area Master Environmental Servicing Plan and Secondary Plan.

Adelaide Metcalfe, ON, CanadaRequest for Proposal (RFP)
Middlesex Centre > Township of Adelaide Metcalfe10/21/2026
OpenOn-Call Professional Services Price Agreements

Lane County is seeking multiple firms for on-call financial, architectural, engineering, environmental, geotechnical, inspection, and cultural-resource professional services under as-needed price agreements.

Lane County, OR, USARequest for Proposal (RFP)
Lane County > Procurement Office10/7/2026
OpenEmployee Benefits Consulting Services

Clark County, Ohio, is seeking proposals for employee benefits consulting services, including completion of an Exhibit C response concerning near-site clinical services.

3130 East Main Street, Springfield, OH, USARequest for Proposal (RFP)
Clark County > Board of Clark County Commissioners10/15/2026
OpenConvention Center Interior and Garage Renovation Consultant Services

Broward County is preparing a future request for proposals for multidisciplinary consultant services supporting interior improvements to the Broward County Convention Center and renovation of the Northport Garage.

Broward County, FL, USAOtherOther
Broward County > Purchasing Division9/24/2026
OpenMcHardy Court Kitchen Renovation Design and Contract Management

The Regional Municipality of Peel is seeking a multidisciplinary consulting firm to provide architectural, interior design, engineering, and contract management services for kitchen renovations in all units at McHardy Court, a Peel Living residential property.

McHardy Court, Brampton, ON, CanadaRequest for Proposal (RFP)
Peel Region9/14/2026
OpenUrban Fellows Qualified Consultant Registry

Atlanta BeltLine, Inc. is seeking qualifications and proposals from individuals and firms with specialized executive-level, technical, strategic, innovative, and other subject-matter expertise for an open continuous Urban Fellows Qualified Consultant Registry.

Atlanta, GA, USARequest for Quote/Qualifications (RFQ)
Atlanta BeltLine, Inc.1/1/2027
OpenMining Inspection Services

Stanislaus County is seeking a qualified entity to provide mining inspection services for its Planning and Community Development Department under a lump-sum agreement.

1010 10th Street, Modesto, CA, USARequest for Proposal (RFP)
County of Stanislaus > Planning and Community Development Department10/8/2026
OpenMechanical Consulting Services - Standing Opportunity

Island Health is seeking mechanical consulting services for all areas they service across Vancouver Island, British Columbia, with submissions accepted through Bids & Tenders.

British Columbia, CanadaRequest for Proposal (RFP)
British Columbia > Destination BC6/4/2027
OpenPest Control Management Consulting Services

The Indianapolis Airport Authority is seeking a consultant for pest control management services under a lump-sum bid with electronic and paper response options.

7800 Col H. Weir Cook Memorial Drive, Indianapolis, IN, USARequest for Proposal (RFP)
Indianapolis Airport Authority9/23/2026
OpenRosemont–Van Horne Corridor Preliminary Design Services

The City of Montreal is seeking professional urban planning, architecture, and engineering services for preliminary design studies in the Rosemont–Van Horne viaduct corridor.

Viaduc Rosemont-Van Horne, Montreal, QC, CanadaRequest for Proposal (RFP)
Montreal > Service de l'approvisionnement10/6/2026
OpenPollution Prevention and Food Waste Reduction Consulting

The State of Michigan is seeking environmental consulting services for a Pollution Prevention and Food Waste Reduction Technical Assistance Program.

Michigan, USARequest for Proposal (RFP)
Michigan9/16/2026
OpenStrategic Planning Services

Grey Bruce Public Health is requesting proposals for strategic planning services through an online-only submission process.

Grey, ON, CanadaRequest for Proposal (RFP)
County of Grey10/1/2026
OpenEnvironmental Consulting Vendor of Record

The City of Peterborough is seeking qualified environmental consulting firms for a 36-month Vendor of Record arrangement.

Peterborough, ON, CanadaRequest for Quote/Qualifications (RFQ)
City of Peterborough9/29/2026
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This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental).

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