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GREENHORNE & O'MARA, INC.

Subsidiary ofSTANTEC INCORPORATEDUEI: EB28X7P7NN76

GREENHORNE & O'MARA, INC. is a federal contractor, registered under UEI EB28X7P7NN76. It has been awarded $39,580,540 in federal contracts. Primary work spans Engineering Services, Other Scientific and Technical Consulting Services, and Unknown NAICS. Top awarding agencies include Department Of Defense, Department Of The Interior, and Department Of Homeland Security.

Contact Information

Registration and classification details

Registration

UEI Code

EB28X7P7NN76

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

449

All time

Active

0

Currently performing

Completed

449

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$18.3M46.3%Department Of The Interior$9.9M25.1%Department Of Homeland Security$5.0M12.6%

Federal Emergency Management Agency$4.5M11.3%

General Services Administration$632.9K1.6%Department Of Defense (dod)$442.8K1.1%Department Of The Treasury$344.0K0.9%Department Of Transportation$292.0K0.7%

Other agencies (5 agencies, <0.5% each)$193.4K0.5%

Awards by NAICS

541330 - Engineering Services$17.0M42.9%541690 - Other Scientific and Technical Consulting Services$8.1M20.5%

- Unknown NAICS$6.2M15.7%

541370 - Surveying and Mapping (except Geophysical) Services$3.4M8.5%541620 - Environmental Consulting Services$1.5M3.7%541310 - Architectural Services$1.4M3.5%541360 - Geophysical Surveying and Mapping Services$971.4K2.5%

54137 - Unknown NAICS$475.0K1.2%

54136 - Unknown NAICS$259.0K0.7%

Others - Other NAICS codes (6 codes, <0.5% each)$317.3K0.8%

Awards by Agency Over Time

Awards by Place of Performance

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Open opportunities in GREENHORNE & O'MARA, INC.'s top NAICS codes and agencies

Workforce & Land-Use Planning Consulting

EED01 - Economic Development

POSTED

about 3 hours ago

DEADLINE

Business Impact Analysis and Update Disaster Recovery Plan Services – Inland Empire Utilities Agency

Solicitation # business-impact-analysis-update-disaster-recovery-plan-services-inland-empire-utilities-agency

Aanko Technologies Inc. is soliciting certified Disadvantaged Business Enterprise and Small Business Enterprise sub-consultants and suppliers to provide professional services for the Inland Empire Utilities Agency in San Bernardino and Riverside Counties, California. The scope of work focuses on emergency management, business continuity planning, technical writing, data collection, and the updating of IT and disaster recovery plans. Eligible firms should operate under NAICS codes related to administrative management, engineering services, computer systems design, or public relations and technical writing. Interested parties must submit their responses by November 17, 2026. Primary coordination for this opportunity is managed by Liz Jordan-Wettstein.

Aanko Technologies Inc.

POSTED

about 8 hours ago

DEADLINE

Demographic Analyst / LEP SpecialistThis subcontract opportunity for a Demographic Analyst / LEP Specialist supports the City of Fairfax Title VI Program in Virginia. The selected contractor will be responsible for analyzing population data for prime contractors, specifically reviewing and updating demographic and language information. By utilizing U.S. Census Bureau and American Community Survey datasets along with specialized data analysis software, the contractor will perform Limited English Proficiency assessments and identify key outreach populations. The primary deliverables for this engagement include updated demographic profiles and comprehensive LEP assessment reports. Interested parties should note that the solicitation was posted on October 20, 2026, with a response deadline of November 10, 2026. The work falls under NAICS code 541690 and will be performed within the City of Fairfax.

City of Fairfax

POSTED

about 8 hours ago

DEADLINE

Medical Equipment Asset AuditorThe Medical Equipment Asset Auditor subcontract involves performing physical and digital audits of existing medical equipment for prime contractors working on Frimley Health NHS Foundation Trust projects. The primary objective is to verify the condition, age, and technical specifications of assets to ensure they align with new hospital design requirements. This process requires the use of asset tagging and valuation tools to produce a detailed Inventory List and a Comprehensive Asset Audit Report. Qualified candidates must hold certification in Clinical Engineering or Health Technical Memoranda. The opportunity was posted on October 20, 2026, with a response deadline of November 16, 2026. This engagement falls under NAICS code 541690 and is specifically designed to support the infrastructure and equipment mapping needs of the Frimley Health NHS Foundation Trust.

Frimley Health NHS Foundation Trust

POSTED

about 8 hours ago

DEADLINE

Master Equipment Schedule (MES) and BIM CoordinatorThis subcontract for the Frimley Health NHS Foundation Trust seeks a Master Equipment Schedule (MES) and BIM Coordinator to manage technical data and spatial coordination of equipment for prime contractors. The successful provider will be responsible for developing Master Equipment Schedules, performing Room Data Sheet validation, and ensuring full BIM alignment for all equipment. Key duties include leading stakeholder requirements gathering with clinical and estates teams and utilizing Revit or similar BIM software to deliver validated layouts and documentation. The opportunity was posted on October 20, 2026, with a response deadline of November 16, 2026. Classified under NAICS code 541330, the contract focuses on the delivery of integrated BIM layouts and validated data sheets to support the trust's infrastructure projects.

Frimley Health NHS Foundation Trust

POSTED

about 8 hours ago

DEADLINE

Archaeological Technical Support & ReportingThis subcontract for Archaeological Technical Support and Reporting involves providing administrative and technical assistance to prime contractors working on City of Delta infrastructure projects. The selected provider will be responsible for drafting Archaeological Overview Assessments and Preliminary Field Reconnaissance reports, as well as preparing documentation for Site Alteration Permits and Multi Assessment Permits. A critical component of the role includes coordinating with the Provincial Archaeology Branch and ensuring all work complies with the Heritage Conservation Act. The contract requires the delivery of completed permit applications and final archaeological reports. Interested parties should note that the response deadline is November 16, 2026. The project falls under NAICS code 541690 and is associated with the City of Delta and the Province of British Columbia.

POSTED

about 8 hours ago

DEADLINE

Archaeological GIS and Mapping SupportThis subcontract for Archaeological GIS and Mapping Support provides specialized geospatial mapping and data analysis for prime contractors working on City of Delta infrastructure projects. The scope of work involves creating maps for Preliminary Field Reconnaissance and Archaeological Impact Assessments, mapping artifact locations and site boundaries, and integrating field data into GIS formats for the Provincial Archaeology Branch. Deliverables include spatial data layers and maps provided in both digital and hard-copy formats. Qualified providers must possess professional certification in Geography or GIS and be proficient in using ArcGIS or QGIS software. The opportunity was posted on October 20, 2026, with a response deadline of November 16, 2026. This project falls under NAICS code 541370 and is associated with the Province of British Columbia.

POSTED

about 8 hours ago

DEADLINE

Archaeology Consulting Services

Solicitation # 26-122

The City of Delta is issuing solicitation 26-122 to establish a shortlist of qualified archaeology firms to provide professional consulting services on an as-and-when-requested basis. The scope of work includes archaeological investigation, monitoring, reporting, and permitting for various infrastructure and development projects, such as road upgrades and utility replacements, within the City of Delta. All services must comply with the Heritage Conservation Act, and firms must demonstrate eligibility to hold provincial permits, including Multi Assessment Permits and Site Alteration Permits. Key deliverables involve field assessments, coordination with the Provincial Archaeology Branch and First Nations, and the provision of heritage management training for City staff. The selection process utilizes a two-stage qualification method. To be considered, respondents must meet all mandatory criteria, including the timely submission of a signed Proposal Covering Letter. Qualified firms will be evaluated based on proponent capability and experience (50%), methodology (25%), and fees (25%), with minimum scores required for the first two categories. The City emphasizes the importance of professional certification, requiring at least one team member to be in good standing with a recognized organization like the British Columbia Association of Professional Archaeologists. Preference is given to consulting team members with five years of experience and lead archaeologists with ten years of experience. The resulting shortlist will remain valid until January 1, 2025, or for three years from the closing date. Once the list is established, the City will invite these qualified respondents to submit firm-priced tenders for specific projects. Proposals must be submitted as a single PDF to the purchasing department by 2:00 PM Pacific time on November 16, 2026. The pricing structure for the qualification stage includes hourly rates for principal archaeologists, field directors, technicians, and support staff, as well as lump sum rates for permit applications.

POSTED

about 8 hours ago

DEADLINE

ADA Accessibility ConsultantThe ADA Accessibility Consultant subcontract involves performing comprehensive accessibility audits and identifying renovation requirements for prime contractors working on projects for the Collier County Parks and Recreation Division in Florida. The selected consultant will conduct site visits to identify physical barriers and evaluate facility needs against ADA standards using specialized measurement tools and compliance checklists. The primary deliverable for this engagement is a detailed ADA accessibility study and renovation report. Qualified candidates should ideally hold a Registered Accessibility Specialist (RAS) or ADA Coordinator certification to ensure technical accuracy. This opportunity falls under NAICS code 541330 and was posted on October 20, 2026, with a response deadline of November 18, 2026.

Parks & Recreation

POSTED

about 8 hours ago

DEADLINE

Specialized Facility Planning (Marinas & Aquatics)This subcontract opportunity is for Specialized Facility Planning focusing on marinas and aquatics for the Collier County Parks and Recreation Division in Florida. The selected provider will offer technical recommendations and facility improvement plans for sports complexes, beach parks, aquatic centers, and marinas. All assessments and recommendations must adhere to established marine engineering standards and aquatic safety codes to ensure the quality and safety of the infrastructure. The project requires a high level of technical expertise, with a strong recommendation for a Professional Engineer specializing in Civil or Marine engineering. Interested parties must submit their responses by November 18, 2026. This engagement falls under NAICS code 541330 and is designed to support prime contractors in delivering comprehensive facility enhancements for the county.

Parks & Recreation

POSTED

about 8 hours ago

DEADLINE

Urban & Recreation Planning (Lead Consultant)This subcontract opportunity for Urban and Recreation Planning involves the strategic development of a comprehensive Parks and Recreation Master Plan for prime contractors working with the Collier County Parks and Recreation Division in Florida. The selected consultant will be responsible for creating implementation schedules, recommending facility improvements, evaluating budget capacity, and performing program life cycle analysis utilizing GIS mapping tools. The final deliverables for this engagement are the completed Master Plan and a detailed Implementation Schedule. To qualify for this role, the consulting team must include at least one staff member holding an American Institute of Certified Planners certification. The project falls under NAICS code 541330 and is associated with a response deadline of November 18, 2026.

Parks & Recreation

POSTED

about 8 hours ago

DEADLINE

Environmental Monitoring & Groundwater Testing ServicesThis subcontract for Environmental Monitoring and Groundwater Testing Services involves performing post-remediation groundwater monitoring at the Nespelem Post and Pole site for the Confederated Tribes of the Colville Reservation. The selected contractor will be responsible for conducting biannual sampling, taking level measurements, and performing laboratory analysis. All work must be executed in strict adherence to approved Quality Assurance Project Plan, Sampling and Analysis Plan, and Health and Safety Plan standards. The contractor is required to utilize GIS-compatible spatial data software to manage information and must deliver comprehensive groundwater monitoring reports along with electronic laboratory data. This project falls under NAICS code 541620 and is located in Nespelem, Washington. Responses for this opportunity are due by November 5, 2026.

Confederated Tribes of the Colville Reservation

POSTED

about 9 hours ago

DEADLINE

ENVIRONMENTAL TRUST Comprehensive E mergency Management Plan Update & Environmental Engineering and Consulting Services

Solicitation # Environmental-Trust_RFP_FY-2027_Emergency-Plan-Update-Environmental-Services_10202026.pdf

The Confederated Tribes of the Colville Reservation is seeking professional services for a combined maximum budget of $289,497, divided into two primary functional areas. The first area, Emergency Management Planning, is capped at $150,000 and involves updating the 2014 Comprehensive Emergency Management Plan, developing Emergency Support Functions, creating hazard-specific annexes, and establishing the Tribes' first Continuity of Operations Plan and Tribal Threat and Hazard Identification and Risk Assessment. This scope also includes the development of an all-hazards tabletop exercise package and the facilitation of coordination workshops to integrate these planning components. The second area, Environmental Engineering and Consulting Services, is capped at $139,497 and focuses on technical field operations in Nespelem, Washington. Key tasks include biannual groundwater monitoring and testing at the Nespelem Post and Pole site, as well as the characterization, removal, and lawful disposal of hazardous materials at the Nespelem Recycle Center. The contractor must adhere to strict quality standards, including the use of approved Quality Assurance Project Plans and Health and Safety Plans, and provide detailed verification reports. Mandatory monthly progress reports are required for all activities, and all project communication costs must be integrated into the respective task budgets. TERO fees are handled separately by the Tribal Employment Rights Office and are not included in the scope of work budget.

Confederated Tribes of the Colville Reservation

POSTED

about 9 hours ago

DEADLINE

Architect-Engineering Services for the FL 6th District Court of Appeal – New Courthouse

Solicitation # RFQ REDM2627-01

The Florida Department of Management Services, Division of Real Estate Development and Management, is soliciting Request for Qualifications RFQ REDM2627-01 for architectural and engineering services to design and construct the new State of Florida Sixth District Court of Appeal courthouse. Located on a 5.30-acre state-owned parcel at 4165 Lakeland Hills Boulevard in Lakeland, Florida, the project scope includes the development of an appellate courtroom, judicial chambers, staff offices, a Clerk's Office, a Marshal's Office, secured and public circulation, technology and security systems, and approximately 120 parking spaces. The project has an estimated construction budget of 53.5 million dollars, which excludes the compensation of the selected Architect-Engineer. The procurement utilizes a two-stage qualifications-based selection process in accordance with section 287.055, Florida Statutes. Stage one involves a preliminary screening based on the firm's proximity to the project, relevant design experience, and ability to perform contract delivery. Firms advancing to stage two will be evaluated through interviews and presentations focusing on past performance, understanding of program requirements, and approach and methodology. The anticipated contract start date is March 2, 2027. Respondents must be legally registered in Florida and authorized to practice architecture, engineering, and landscape architecture under applicable state statutes. Mandatory submission requirements include a letter of interest, a Professional Qualifications Supplement, a project listing of relevant experience, current Florida licenses, and a completed Federal GSA Standard Form 330. All responses must be submitted in Adobe PDF format on a thumb drive to the Procurement Liaison, who serves as the sole point of contact. Selected firms must adhere to strict confidentiality requirements regarding building plans under Florida Sunshine laws and comply with all state building codes and fire safety standards.

Department of Management Services

POSTED

about 9 hours ago

DEADLINE

Civil Engineering & Water System DesignThis subcontract for Civil Engineering and Water System Design involves providing professional engineering services for prime contractors on water system projects for the City of Mercer Island. The scope of work includes designing the layout for 5,000 linear feet of ductile iron water main replacement, as well as the replacement of PRV vaults and fire hydrants and water services. The selected contractor must resolve utility conflicts in accordance with City of Mercer Island Standard Details Water and is responsible for delivering technical specifications, cost estimates, and bid-ready plans. Qualified candidates must hold a valid Washington State Professional Engineer license. This opportunity is categorized under NAICS code 541330 and is managed by the Public Works agency. Interested parties must submit their responses by the deadline of November 4, 2026.

POSTED

about 9 hours ago

DEADLINE

2026 AC Water Main Replacement

Solicitation # 2026-RFQ-042

Solicitation 2026-RFQ-042 is a request for qualifications from the City of Mercer Island Public Works department for professional engineering services to design water system upgrades. The project focuses on replacing approximately 5,000 linear feet of aging asbestos cement water mains with ductile iron mains along SE 40th St and E Mercer Way. The scope is divided into two phases: Phase 1 involves water system and PRV vault replacement on SE 40th St from Greenbrier Ln to 97th Ave SE, and Phase 2 extends the replacement to 97th Ave SE and the 3700 and 3800 blocks of East Mercer Way. Additional components for replacement include fire hydrants and water services. The design must comply with the Reduction of Lead in Drinking Water Act and the City of Mercer Island Standard Details Water. The project follows a goal-based timeline with bid-ready plans for Phase 1 due by Q2 2027 and Phase 2 by Q3 2027, with overall construction completion targeted for Q2 2028. Qualified firms must be licensed in the State of Washington and submit a Statement of Qualifications limited to 12 pages, including a proposed timeline and three references from the last five years. Selection is at the sole discretion of the City, and the awarded firm will negotiate a scope and fee schedule using the City's standard professional services agreement. Administration is managed by the City Manager, with payments issued via City warrant within 45 days of receiving a proper monthly invoice.

POSTED

about 9 hours ago

DEADLINE

Intake Structure Inspection and ReportingThis subcontract for Intake Structure Inspection and Reporting involves performing technical inspections and condition assessments for prime contractors working on auxiliary lake intake projects for the City of Murfreesboro Water Resources department in Tennessee. The selected provider will be responsible for identifying major intake components and evaluating structural integrity through the use of high-resolution photography and, if necessary, underwater ROVs or divers. Qualified candidates must possess professional engineering licenses or certified inspector credentials to ensure technical accuracy. The final deliverable for this engagement is a comprehensive written report that includes color photography and a detailed assessment of all inspected components. Responses for this opportunity are due by November 13, 2026.

Water Resources

POSTED

about 9 hours ago

DEADLINE

Pure Water System Engineering and DesignThe Pure Water System Engineering and Design subcontract involves providing professional engineering design services for prime contractors working on facility projects at North Dakota State University. The selected provider will be responsible for analyzing feed-water demand and characteristics to develop essential technical documentation, including Process Flow Diagrams, Piping and Instrumentation Diagrams, and equipment layouts created via CAD software. Final deliverables for the project include technical submittals, shop drawings, and P&IDs. This opportunity is categorized under NAICS code 541330 and requires the performing party to hold a Professional Engineer license. Interested parties must submit their responses by the deadline of November 17, 2026.

POSTED

about 9 hours ago

DEADLINE