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ESSEX CORPORATION

Subsidiary ofHUNTINGTON INGALLS INDUSTRIES, INCUEI: STJZH4W4HJB5

ESSEX CORPORATION is a federal contractor, registered under UEI STJZH4W4HJB5. It has been awarded $29,643,764 in federal contracts. Primary work spans Research and Development in the Physical, Engineering, and Life Sciences, Environmental Consulting Services, and Unknown NAICS. Top awarding agencies include Department Of Defense and General Services Administration.

Contact Information

Registration and classification details

Registration

UEI Code

STJZH4W4HJB5

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

Key Performance Metrics

Awards Count

50

All time

Active

0

Currently performing

Completed

50

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

Department Of Defense$29.5M99.6%General Services Administration$199.1K0.7%

Awards by NAICS

541710 - Research and Development in the Physical, Engineering, and Life Sciences$16.9M56.9%541620 - Environmental Consulting Services$4.7M15.9%

- Unknown NAICS$3.8M12.9%

541712 - Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)$3.5M12%541519 - Other Computer Related Services$448.3K1.5%541330 - Engineering Services$150.0K0.5%

Others - Other NAICS codes (2 codes, <0.5% each)$100.2K0.3%

Awards by Agency Over Time

Awards by Place of Performance

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RFP -Multiple Projects: Construction Inspection and CPM Services; Released October 2026

Solicitation # 49325

The Kansas Department of Transportation is seeking consulting services for construction inspections and Critical Path Method services across multiple projects. This solicitation, identified by number 49325, is managed by the Engineering and Consulting division and will be performed within the state of Kansas. The request for proposals was released on October 2, 2026, and requires all responses to be submitted by the deadline of October 21, 2026, at 5:00 PM. The procurement falls under NAICS code 541330, targeting specialized engineering services to support the agency's infrastructure projects.

Kansas Department of Transportation - Engineering and Consulting

POSTED

about 14 hours ago

DEADLINE

Transportation Accessibility ConsultantThe Transportation Accessibility Consultant subcontract involves performing specialized accessibility audits for prime contractors working on City of Boston Age Strong Commission projects. The selected consultant will evaluate vehicle fleets, boarding processes, and scheduling software to identify accessibility barriers using established ADA compliance checklists. The primary objective is to deliver detailed audit findings and actionable recommendations to support service modernization. Qualified candidates must hold certification in ADA compliance or accessibility auditing. This opportunity is based in Boston, Massachusetts, under NAICS code 541620. Interested parties must submit their responses by the deadline of November 9, 2026.

143 - Procurement

POSTED

about 16 hours ago

DEADLINE

Larkspur Ferry Terminal Berth Utility Improvements Engineering & Design

Solicitation # 20261010029

Golden Gate Bridge, Highway and Transportation District

POSTED

about 16 hours ago

DEADLINE

in about 1 month

Construction Management And Inspection (CMI) Services For The Renewable Energy And Storage System Project

Solicitation # 2026-03

City of Gardena Transportation Department (GTrans)

POSTED

about 16 hours ago

DEADLINE

Environmental Reporting Specialist

California High-Speed Rail Authority

POSTED

about 17 hours ago

DEADLINE

Pre-Demolition Hazardous Materials Field Surveyor

California High-Speed Rail Authority

POSTED

about 17 hours ago

DEADLINE

HSR26-30 Re-Bid #1 Pre-Demolition Hazardous Material Survey

Solicitation # HSR26-30

Solicitation HSR26-30 Re-Bid #1 is an Invitation for Bid issued by the California High-Speed Rail Authority for a one-time pre-demolition hazardous materials survey. The project is located at 6050 State Road, Bakersfield, California, and involves two multi-family residential structures totaling approximately 4,701 square feet with 15 units. The selected contractor will be responsible for identifying, sampling, and documenting hazardous materials, including asbestos, lead-based paint, mold-contaminated materials, and universal wastes. All work must be performed between 7:00 am and 5:00 pm, Monday through Friday, in compliance with Cal/OSHA, EPA NESHAP, and other state and federal regulations. Bids must be submitted via mail or hand delivery by October 14, 2026, and must strictly adhere to formatting requirements, including single-sided printing and sealed envelopes. The Authority will evaluate bids based on responsiveness, responsibility, and cost reasonableness, with a 3% to 5% incentive provided for Disabled Veteran Business Enterprise participation. Awarded contractors must maintain comprehensive insurance, including $1 million in general liability and automobile liability, and adhere to California Department of Industrial Relations prevailing wage laws. The resulting agreement will incorporate the State of California General Terms and Conditions and Contractor Certification Clauses, with a potential six-month extension option at the Authority's discretion.

California High-Speed Rail Authority

POSTED

about 17 hours ago

DEADLINE

Solid Waste Collection Franchise Agreement Development And Procurement Consulting Services & On-Call Miscellaneous Consulting Services

Solicitation # 20261010018

City of Antioch

POSTED

about 17 hours ago

DEADLINE

Geotechnical Engineering Services For 2025 Countywide Shoulder Paving And Road Rehabilitation Project, 2026 SB-1 Eastern Madera County Road Improvement Project, And Road 222 Road Rehabilitation Project

Solicitation # 26-0003-GEO

MADERA COUNTY PUBLIC WORKS DEPARTMENT ENGINEERING SERVICES DIVISION

POSTED

about 17 hours ago

DEADLINE

Structural & Civil Engineering (Trail Undercrossings)This subcontract for Structural and Civil Engineering focuses on performing feasibility studies and conceptual engineering for grade-separated trail undercrossings in the City of Rogers. The scope of work involves evaluating specific undercrossing locations on US-71 between Price Lane and South 28th Street for USDOT/FHWA projects. The selected contractor will be responsible for developing conceptual designs, conducting safety analyses for roadway separation, and providing planning-level cost estimates. Technical execution requires the use of CAD and structural analysis software while ensuring strict adherence to FHWA roadway geometry standards. This project is managed under the Community Development agency in Arkansas, with a response deadline set for November 3, 2026.

Community Development

POSTED

about 17 hours ago

DEADLINE

Transportation Planning & Safety AnalysisThis subcontract for Transportation Planning and Safety Analysis involves performing safety, mobility, and access management assessments for prime contractors on USDOT and FHWA funded projects within the City of Rogers. The scope of work includes conducting safety assessments to identify the causes of crashes, analyzing mobility specifically for the US-71B corridor, and developing concept designs aimed at reducing accidents. Additionally, the contractor is responsible for coordinating with the Northwest Arkansas Regional Planning Commission to determine BRT station locations. The project requires strict compliance with 2 CFR Part 200 and 23 CFR Part 172 regulations. Key deliverables include comprehensive safety reports and corridor concept designs. This opportunity falls under NAICS code 541330 and is managed through the Community Development agency in Arkansas, with a response deadline of November 3, 2026.

Community Development

POSTED

about 17 hours ago

DEADLINE

SS4A US-71B Corridor Study and Railyard Loop Trail Undercrossing Feasibility Studies Request for Letters of Interest

Solicitation # 2026-LOI-004

The City of Rogers, Arkansas, is seeking letters of interest from qualified consulting firms for professional planning, engineering, and related services to conduct the US-71B Corridor Study and Railyard Loop Trail Undercrossing Feasibility Studies. This project is funded by the U.S. Department of Transportation Safe Streets and Roads for All grant program and is administered by the Federal Highway Administration. The scope of work includes a safety, mobility, and access management assessment of the 6.7-mile US-71B corridor from W. Walnut Street to S. 8th Street to develop concept designs that reduce fatal and serious injury crashes. Additionally, the selected firm will evaluate the feasibility of grade-separated trail undercrossings at US-71B/W. Price Lane and US-71B/S. 28th Street, providing conceptual engineering designs, safety analyses, and cost estimates to be integrated into the final corridor report. Procurement is governed by 2 CFR Part 200 and 23 CFR Part 172, with all work subject to FHWA review and approval. Interested firms must submit a cover letter, an SF 330 Architect-Engineer Qualifications form, an equal employment opportunity policy, a DFA Illegal Immigrant Contractor Disclosure Form, and anticipated DBE subconsultant participation by 4:00 p.m. Central Time on November 3, 2026. Submittals will be scored on a 40-point scale based on professional staff, general reputation and civil rights responsiveness, experience with similar multimodal and safety projects, and past performance. The selection committee will use these criteria to shortlist firms, who will then receive a detailed scope of work to provide final proposals.

Community Development

POSTED

about 17 hours ago

DEADLINE

Transportation Planning and Implementation Guide DevelopmentThis subcontract focuses on the development of transportation planning and implementation guides for municipal projects within the City of Rogers, Arkansas. The selected provider will support prime contractors by creating strategic frameworks and planning-level cost estimates utilizing RSMeans. Key deliverables include the production of implementation guides and public final reports designed for adoption as Comprehensive Safety Action Plan supplements, ensuring full compliance with 2 CFR Part 200 and 23 CFR Part 172 regulations. Managed under the Community Development agency in Arkansas, the project falls under NAICS code 541620. The solicitation was posted on October 12, 2026, with a response deadline set for November 3, 2026. The primary objective is to provide the necessary technical documentation and cost analysis required to move municipal transportation safety initiatives from the planning phase to formal adoption.

Community Development

POSTED

about 17 hours ago

DEADLINE

Traffic Safety Assessment and HIN AnalysisThis subcontract for Traffic Safety Assessment and HIN Analysis involves performing comprehensive safety studies for prime contractors on municipal projects within the City of Rogers, Arkansas. The scope of work focuses on evaluating lighting, signing, and striping by assessing field conditions against MUTCD, PROWAG, and AASHTO standards. The selected provider will analyze striping inventories and utilize GIS mapping software to prioritize necessary improvements based on FHWA Proven Safety Countermeasures. The project deliverables include detailed deficiency reports and prioritized lists of improvements to enhance overall traffic safety. Managed under the Community Development agency in Arkansas, the solicitation was posted on October 12, 2026, with a response deadline of November 3, 2026. The contract falls under NAICS code 541330 for engineering services.

Community Development

POSTED

about 17 hours ago

DEADLINE

SS4A Demonstration Project Design and Construction Engineering and Inspection Services Request for Letters of Interest

Solicitation # 2026-LOI-003

The City of Rogers, Arkansas, is soliciting letters of interest for professional engineering, design, and construction engineering and inspection (CEI) services to implement three temporary roadway safety demonstration projects. Funded by the U.S. Department of Transportation Federal Highway Administration (FHWA) Safe Streets and Roads for All (SS4A) Grant Program (Federal Award No. 693JJ32640757), the initiative focuses on utilizing modular and removable materials for safety improvements. The scope includes construction-document-level design and CEI services for West Persimmon Street, South 5th Street, and six crossing improvements along the Railyard Loop Trail. The selected firm will also support pre- and post-installation data collection and the development of a traffic calming toolkit for the USDOT. This procurement is governed by Title 23 CFR Part 172 and 2 CFR Part 200, requiring strict adherence to the Build America, Buy America Act and prohibitions on certain telecommunications and video surveillance equipment. Evaluation of firms will be based on four equally weighted criteria: staffing, professional reputation, work performance in similar safety assessments, and past experience. Applicants must submit a cover letter, SF 330 Parts I and II, an equal employment opportunity policy, and a DFA Illegal Immigrant Contractor Disclosure Form by November 3, 2026. The City intends to award a single contract to the highest-ranked firm following a shortlisting process.

Community Development

POSTED

about 17 hours ago

DEADLINE

Software and Systems Cost-Saving ReviewThe Software and Systems Cost-Saving Review is a subcontract opportunity with the City of Simi Valley in California. The selected provider will perform categorized software application reviews for prime contractors associated with the city's IT Master and Strategic Plan projects. This role requires specialized software licensing expertise to inventory current applications and analyze usage and licensing costs through Software Asset Management tools to identify redundancies. The primary objective of the engagement is to deliver a comprehensive Software and Systems Assessment report that provides actionable cost-saving recommendations. Interested parties must submit their responses by November 19, 2026, for work to be performed in Simi Valley, California.

City of Simi Valley

POSTED

about 17 hours ago

DEADLINE

in about 1 month

Water Quality Data Services ProviderThe Water Quality Data Services Provider subcontract involves the collection, management, and analysis of monitoring data for prime contractors working on Southern Water Services Limited water quality projects. The provider is responsible for utilizing environmental telemetry systems and analytics software to process monitoring inputs, ensuring all outputs align with the reporting compliance requirements of the Environment Act 2021. Key deliverables for this engagement include the production of processed data reports, interactive dashboards, and necessary compliance documentation. The contract falls under NAICS code 541620 and is centered on maintaining rigorous environmental standards through technical data oversight and reporting for Southern Water Services Limited.

Southern Water Services Limited

POSTED

about 17 hours ago

DEADLINE

Stormwater Modeling and Data Validation SpecialistThe Stormwater Modeling and Data Validation Specialist subcontract involves providing quality assurance and quality control services for technical data submitted by prime contractors on Orange County Transportation Authority projects. The scope of work focuses on validating drainage-area delineations, analyzing pollutant loading modeling assumptions, and verifying water-volume load reductions. These tasks are performed using Orange County Stormwater Tools and other approved hydrologic and hydraulic modeling software to produce detailed validation reports. This opportunity is categorized under NAICS code 541330 and is managed by the Planning-Project Development agency in California. Interested parties must adhere to the procurement timeline, with the solicitation posted on October 12, 2026, and a response deadline set for November 9, 2026.

Planning-Project Development

POSTED

about 18 hours ago

DEADLINE