This Subcontract opportunity from Department Of Defense was posted on August 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Herring Spawning Observer Services

Closed

Federal

Submission Closed09/02/2026, 01:00:00 PM PDT

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 541620

New

DIBBS

Military Grade Packaging and Marking Services

DLA WEAPONS SUPPORT STRATEGIC ACQ PROGRAM DIRECTORATE

POSTED

DEADLINE

Biological Monitoring for 2026-2027 Maintenance and Wood Pole Projects (WPP), Western Area Power Administration, Desert Southwest Region, PhoenixThe Western Area Power Administration, under the Department of Energy, is forecasting a requirement for biological monitoring services to support maintenance and wood pole projects within the Desert Southwest Region of Phoenix. This project, scheduled for the 2026-2027 period, will be performed in Arizona and falls under NAICS code 541620. The opportunity is designated as a small business set-aside. Vernadero Group Incorporated is listed as the incumbent contractor for these services. Interested parties can coordinate with the Small Business Program Managers for further information regarding this upcoming acquisition.

Western Area Power Administration

POSTED

DEADLINE

U.S. DEPARTMENT OF ENERGY/NATIONAL NUCLEAR SECURITY ADMINISTRATION (DOE/NNSA)OFFICE OF COUNTERTERRORISM AND COUNTER-PROLIFERATION (NA-80) TECHNICAL SUPPORT SERVICESThe National Nuclear Security Administration, an agency of the Department of Energy, is forecasting a requirement for technical support services to benefit the Office of Counterterrorism and Counter-proliferation. This procurement is categorized under NAICS code 541620 and is intended to be set aside for small businesses. The work is expected to be performed in the District of Columbia. The current incumbent contractor for these services is Project Enhancement Corporation. Interested parties may coordinate with the Small Business Program Manager, Chelsea Murphy, regarding this upcoming opportunity.

National Nuclear Security Administration

POSTED

DEADLINE

On-Call Biological Support Services for 2026 Integrated Vegetation Management Work, Western Area Power Administration, Desert Southwest Region, PhoenixThe Western Area Power Administration, under the Department of Energy, is forecasting a requirement for on-call biological support services to assist with 2026 integrated vegetation management work. This project will be centered in the Desert Southwest Region in Phoenix and falls under NAICS code 541620 for environmental consulting services. The current incumbent contractor for these services is Klamath Wildlife Resources. Interested parties can coordinate with the Small Business Program Managers at the agency for further information regarding this upcoming procurement opportunity.

Western Area Power Administration

POSTED

DEADLINE

Site Conditions and Geotechnical AnalysisThis subcontract for Site Conditions and Geotechnical Analysis involves performing technical investigations of existing site conditions for prime contractors working on Housing Corporation of East Windsor projects. The selected provider will utilize soil sampling equipment and geotechnical testing tools to evaluate physical and environmental constraints, identifying critical issues that may impact overall project feasibility. These efforts will culminate in the delivery of essential technical input for the Existing Conditions and Constraints Memorandum. Managed by DAS Procurement for the state of Connecticut, the contract requires the provider to hold a Professional Geologist or PE license and maintain Professional Liability insurance. Interested parties must respond by November 14, 2026, regarding this opportunity which falls under NAICS code 541620.

POSTED

DEADLINE

Geotechnical and Materials TestingThis subcontract for Geotechnical and Materials Testing involves providing quality control services for prime contractors working on Kansas Turnpike Authority projects. The scope of work focuses on the testing of soil and asphalt materials, specifically requiring the establishment of maximum density-optimum moisture curves per ASTM D 698, in-place density determinations, concrete compressive strength tests, and sieve analysis for granular subbase. The selected contractor will utilize nuclear density gauges and compression machines to perform these technical evaluations and is responsible for delivering all resulting testing reports and curves. This opportunity falls under NAICS code 541620 and is associated with the state of Kansas.

Kansas Turnpike Authority

POSTED

DEADLINE

Windstorm Risk Assessment & Mitigation ConsultingThis subcontract for Windstorm Risk Assessment and Mitigation Consulting supports prime contractors working on projects for the Housing Authority of the City of Brownsville in Texas. The selected consultant will provide technical windstorm risk analysis, utilizing catastrophe modeling and geospatial risk tools to perform risk modeling for weather-related perils. The scope of work includes evaluating the physical vulnerability of properties and delivering detailed risk assessment reports. The primary objective of these services is to provide data-driven recommendations to improve the insurability of the properties. This opportunity falls under NAICS code 541620 and requires the delivery of specific mitigation strategies to protect assets against windstorm damage. Interested parties must respond by December 17, 2026.

Brownsville Housing Authority

POSTED

DEADLINE

CONSULTING SERVICES - Rural School Septic System Studey

Solicitation # RFP27-31

The Lakehead District School Board is seeking proposals for consulting services to conduct a Rural School Septic System Study. This solicitation, identified as RFP27-31, is open for electronic submissions only. The request for proposals was posted on November 7, 2026, and the deadline for responses is December 10, 2026, at 7:00 PM. The resulting work will be performed within Canada.

Lakehead District School Board

POSTED

DEADLINE

Groundwater Data Processing and Hydrogeological ModelingThis subcontract for Groundwater Data Processing and Hydrogeological Modeling supports UNICEF projects in Vanuatu by providing specialized geophysical data analysis. The selected contractor will be responsible for inverting raw TEM data to create inversion outputs, interpretive sections, and maps. By integrating these results with topography, geology, borehole records, and water quality data, the contractor will rank borehole investigation targets and deliver comprehensive technical groundwater assessment reports and site maps. To qualify for this engagement, the contractor must possess professional credentials as a hydrogeologist or geophysicist and have access to necessary GIS software. The work falls under NAICS code 541620 and focuses on delivering critical data processing and modeling services to assist prime contractors in identifying viable groundwater sources within the region.

POSTED

DEADLINE

Certified Industrial Hygienist (CIH) Reporting ServicesThis subcontract for Certified Industrial Hygienist (CIH) Reporting Services involves providing professional analysis of laboratory data for prime contractors working on California Department of General Services facility projects. The selected provider will analyze results to establish risk thresholds and author 100 signed final survey reports delivered in a room-by-room format including professional recommendations. To qualify for this engagement, the provider must hold Certified Industrial Hygienist (CIH) certification and maintain AIHA Competent Professional status. The solicitation was posted on November 6, 2026, with a response deadline of November 23, 2026, falling under NAICS code 541620.

California Department of General Services

POSTED

DEADLINE

Legionella Water Sample Collection ServicesThis subcontract for Legionella Water Sample Collection Services involves performing on-site water sample collection for prime contractors working on California Department of General Services facility projects. The scope of work includes conducting routine and investigative sampling of both domestic and non-potable water systems, specifically focusing on pre and post flush sampling and the measurement of residual disinfectant, temperature, and pH levels. The selected provider must manage the Chain of Custody and ensure all activities adhere to the AIHA Technical Framework: Legionella 2020 standards. Responsibilities include the delivery of collected samples accompanied by completed Chain of Custody forms. This opportunity falls under NAICS code 541620, with a response deadline of November 23, 2026.

California Department of General Services

POSTED

DEADLINE

On-Call Solid Waste Data Analysis and Economic Services

Solicitation # 26-202-S

Seattle Public Utilities is seeking an on-call consultant to provide expert solid waste data analysis and economic services to support the city's Zero Waste goals. This contract, with an estimated value of $625,000 and a duration of up to five years, focuses on leveraging extensive datasets to evaluate the effectiveness, equity, and feasibility of solid waste incentives, programs, and policies. The scope of work includes program evaluation using causal inference, economic modeling, demand forecasting, longitudinal analysis of waste characteristics, and the extraction of data from Microsoft Access databases. A key component of the engagement is the translation of complex technical findings into actionable insights through data visualization, strategic storytelling, and high-quality reports for both technical and non-technical audiences. The selection process is based on a weighted evaluation of project team qualifications and research and analytical capabilities, with a strong emphasis on equity-centered analysis and the ability to manage multiple projects in an on-call environment. Awarded consultants must adhere to strict compliance standards, including mandatory WMBE inclusion plans for contracts over $343,000, adherence to the Americans with Disabilities Act and WCAG accessibility guidelines, and compliance with Seattle's Equal Benefits and minimum wage ordinances. The contract is governed by a template that incorporates FAR Part 31 for allowable overhead costs and requires specific insurance coverages, including Commercial General Liability and Worker's Compensation. Work is assigned via individual work assignments, each with its own defined schedule and deliverables.

Seattle Public Utilities

POSTED

2 days ago

DEADLINE

in 5 days

AI Contract Overview

This subcontract for Herring Spawning Observer Services is issued by the Department of Defense under the W075 Endist San Fran agency. The selected provider will be responsible for supplying trained herring spawning observers to maintain 24/7 coverage during dredging operations. These services are required from November 30 through March 16 and will take place across Reaches 0, 1, and 2. The opportunity was posted on August 24, 2026, with a response deadline of September 2, 2026. The contract falls under NAICS code 541620, which pertains to environmental and pollution abatement consulting services.