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WINTHROP GROUP INC

UEI: N97NH9G6B1J9

WINTHROP GROUP INC is a federal contractor, registered under UEI N97NH9G6B1J9. It has been awarded $22,477 in federal contracts. Primary work spans Building Inspection Services and Engineering Services. Top awarding agencies include Department Of Homeland Security and Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

N97NH9G6B1J9

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

4

All time

Active

0

Currently performing

Completed

4

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 Homeland Security$16.6K73.6%Department Of Defense$5.9K26.4%

Awards by NAICS

541350 - Building Inspection Services$16.6K73.6%541330 - Engineering Services$5.9K26.4%

Awards by Agency Over Time

Awards by Place of Performance

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Fuel Tank Engineering Analysis and Drawing DevelopmentThis subcontract, titled Fuel Tank Engineering Analysis and Drawing Development, supports the Department of Defense through the DLA Weapons Support LSO Combat Vehicles and Armament. The scope of work involves performing reverse engineering and technical analysis for prime contractors, which includes the development of manufacturing drawings and process sheets utilizing CAD software and precision measurement tools. A critical deliverable is the Engineering Analysis Report, which must document sample sizes, methodologies, and the rationale for dimension tolerance deviations in accordance with MIL-T-31000 standards. The opportunity is designated as a Total Small Business Set-Aside under NAICS code 541330. Interested parties must submit their responses by October 30, 2026. The final project deliverables consist of the completed technical drawings and a comprehensive procedure report.

DLA WEAPONS SUPPORT LSO COMBAT VEHICLES AND ARMAMENT

POSTED

about 15 hours ago

DEADLINE

MI 2026-07 Quarterly Building Inspection Services

Solicitation # MI 2026-07

Adams and Associates, Inc., acting for the U.S. Department of Labor, is soliciting bids for quarterly building inspection services at the Miami Job Corps Center in Florida. The contract covers the inspection of eight buildings totaling approximately 132,230 gross square feet, including dormitories, food service facilities, educational and administrative areas, a wellness center, and recreational facilities. The period of performance runs from November 1, 2026, to October 31, 2027, with inspections due by the end of each calendar quarter. Selected vendors must submit scanned inspection forms and corrective actions within seven days of each visit. Bids are due by October 23, 2026, and must be submitted on company letterhead with a cost breakdown per quarterly inspection. Mandatory requirements for award include a valid Unique Entity ID, active SAM.gov registration, and all necessary business and employee licenses for the State of Florida. Vendors must maintain Workers Compensation, Comprehensive General Liability of $1,000,000 per occurrence, and specific Automobile Liability coverage. This agreement is subject to Service Contract Act regulations under Wage Determination No. 2005-2248. Award will be based on the most responsible bidder, with payment terms set at NET 30 days from the date of invoice.

Miami Job Corps Center

POSTED

about 16 hours ago

DEADLINE

Bypass Pumping Engineering and PlanningThis subcontract for the City of Brantford involves providing specialized engineering design and planning for temporary bypass pumping systems. The selected provider will support prime contractors on municipal sewer projects by utilizing CAD software to develop technical documentation, engineering design drawings, and comprehensive Spill Response Plans. Additionally, the contract requires the provision of on-call engineering support to ensure successful project execution. A mandatory requirement for this engagement is that the service provider holds a Professional Engineer license. Key deliverables include all finalized design drawings and supporting technical documentation. Interested parties should note the response deadline of November 10, 2026, for this engineering services opportunity.

City of Brantford

POSTED

about 19 hours ago

DEADLINE

Civil/Structural Engineering & DesignThis subcontract for Civil/Structural Engineering and Design supports prime contractors on US Army Corps of Engineers projects focused on bank stabilization and flood risk management in Selma. The scope of work involves the design and engineering of secondary retaining walls, rip-rap toe protection, and 1,000 linear foot soldier-pile walls. Technical requirements include the use of hydraulic analysis tools and geotechnical modeling, the calculation of vertical elevations based on NAVD88, and the design of tie-back systems following PTI recommendations. The selected provider must hold a professional engineering license in the state of Alabama to deliver final budget estimates, specifications, and design plans. This opportunity falls under NAICS code 541330 and is associated with the Department of Defense. Interested parties must respond by October 28, 2026.

US Army Corps Of Engineers

POSTED

about 20 hours ago

DEADLINE

Navy Shore Sustainment Support

Solicitation # N6523626RE088

The Navy Shore Sustainment Support opportunity, solicitation number N6523626RE088, is a pre-solicitation issued by the Niwc Atlantic office of the Department of Defense. This requirement is restricted exclusively to SeaPort-NxG MAC holders, and no other offers will be considered. Interested parties must register for PIEE accounts to receive solicitations and submit proposals. The project falls under NAICS code 541330 and is managed by the primary point of contact, Jessica Glisson, based in North Charleston, South Carolina. A virtual pre-solicitation conference is scheduled for October 21, 2026, at 8:00 am EST via Microsoft Teams. Potential offerors must submit any questions by October 19 at 3:00 pm EST. The response deadline for this opportunity is October 28, 2026, at 8:00 pm EST. Additionally, personnel granted access to Controlled Unclassified Information must sign a Non-Disclosure Agreement with the Department of the Navy and adhere to protection standards outlined in 32 CFR Part 2002 and DoD Instruction 5200.48/5230.24.

POSTED

about 20 hours ago

DEADLINE

RADIAC AND RADCON PROGRAM PROFESSIONAL SUPPORT SERVICES

Solicitation # N6426726R3014

The Naval Surface Warfare Center Corona Division is soliciting professional support services for the Naval Sea Systems Command Radiation Detection, Indication, and Computation (RADIAC) and Radiological Controls (RADCON) Program Offices. This competitive acquisition is restricted to SeaPort-NxG MAC holders and is structured as a Cost-Plus-Fixed-Fee (CPFF), Level-of-Effort (LOE) Task Order. The period of performance consists of a one-year base period from March 31, 2027, to March 30, 2028, with four subsequent one-year options. The scope of work includes providing engineering, logistics, technical writing, IT, and management analyst support for over 40,000 RADIAC instruments and 400,000 dosimeters, as well as office management analysis for various Naval radiation protection programs. The contract requires a specific labor mix, including a Senior Program Manager and various engineering and IT roles, with mandatory minimum education and experience requirements. A key personnel representative must be on-site eight hours a day, Monday through Friday. Award will be based on the most advantageous proposal, evaluated through three factors: Technical (most important), Past Performance (Acceptable/Unacceptable), and Cost. Security requirements include a Facility Security Clearance of Secret and adherence to NISPOM and CUI marking standards. Deliverables are managed through a series of Contract Data Requirements Lists (CDRLs), and performance is monitored via a Quality Assurance Surveillance Plan (QASP). Invoicing is processed through Wide Area Workflow (WAWF), with a 15 percent fixed fee withhold up to a maximum of 100,000 dollars.

Naval Surface Warfare Center

POSTED

about 20 hours ago

DEADLINE

Request for Whitepapers: AEDC Velocity Alliance - A Multi-Billion Dollar OTA Consortium Opportunity

Solicitation # FA9101-26-9-Velocity_Alliance

The AEDC Velocity Alliance is a strategic multi-billion dollar consortium established by the Department of the Air Force, through the Air Force Test Center and Arnold Engineering Development Complex, to accelerate the modernization, restoration, and sustainment of critical national test infrastructure. Operating under the authority of 10 U.S.C. 4022 and 10 U.S.C. 2808a, this initiative utilizes Other Transaction Agreements (OTAs) rather than standard FAR-based contracts to provide an agile procurement vehicle for complex engineering and construction projects through Fiscal Year 2032. The scope of work covers 15 technical categories, including high-pressure process systems, high-voltage electrical infrastructure, heavy industrial construction, and advanced mechanical engineering services. Membership in the Alliance is granted through a phased onboarding process requiring the submission of a ten-page whitepaper. To be eligible, applicants must demonstrate partnership capabilities by collaborating with Non-Traditional Defense Contractors, Small Businesses, or Nonprofit Research Institutions. Mandatory requirements for membership include Joint Certification Program compliance and verified cybersecurity standards, specifically CMMC Level 2 certification or a validated NIST SP 800-171 assessment in the Supplier Performance Risk System. Once established, all project opportunities will be competed exclusively among Alliance members, with the majority of awards anticipated to be based on Best Value considerations.

FA9101 Aedc Pkp Procrmnt Branch

POSTED

about 20 hours ago

DEADLINE

in almost 4 years

NAWCAD WOLF Identification Systems Technical Management Support Services RFO

Solicitation # N0042126R1023

Solicitation N0042126R1023 is a small business set-aside request for proposal issued by the Naval Air Warfare Center Air Division for Identification Systems Technical Management Support Services at the Webster Outlying Field. This firm-fixed-price level of effort task order, managed under the SeaPort-NxG Multiple Award Contract, covers a five-year period of performance consisting of one base year and four option years. The requirement specifies a total of 430,070 direct labor hours to support the organic Lead Systems Integrator model across four core technical areas: technical management, budget execution and N-ERP support, material procurement, and data management, as well as graphics, media, and communications support for various major defense acquisition programs. The contract requires a hybrid work model with a mandate for three days of on-site performance per week at Patuxent River or St. Inigoes, Maryland. Award decisions are based on a non-price rating system where technical capabilities, evaluated through a sample task and key personnel resumes, and past performance are used to determine a highest evaluated threshold, with price serving as the final deciding factor among equal ratings. Contractors must comply with strict security standards, including NISPOM and CMMC requirements, and utilize the Wide Area WorkFlow system for electronic invoicing. Deliverables are managed through a formal Contract Data Requirements List, and performance is monitored via a systematic Contract Surveillance Plan and CPARS evaluations.

Naval Air Warfare Center Air Division

POSTED

about 20 hours ago

DEADLINE

Marketplace for Acquisition of Professional Services (MAPS)

Solicitation # W15P7T-26-R-A006

The Army Contracting Command-Aberdeen Proving Ground is executing the Marketplace for Acquisition of Professional Services (MAPS), an Indefinite-Delivery Indefinite-Quantity (IDIQ) contract designed to consolidate and replace the RS3 and ITES-3S vehicles to streamline the procurement of uncommon knowledge-based professional services for the U.S. Army and other federal agencies. This multi-award contract supports global operations across CONUS and OCONUS, including hostile environments, and spans five primary domains: Engineering, Logistics and Operational Services; Research, Development, Test and Evaluation Services; Management and Advisory Services; Emerging IT Services; and Foundational IT Services. The contract has a total ceiling value of $50 billion over a base five-year period with an optional five-year extension, structured as a Firm Fixed Price arrangement with specific fee caps for Cost-Plus-Fixed-Fee task orders: 5% for non-research work and 7% for experimental, developmental, or research work. The Government will make up to 70 awards per domain, with allocations reserved for 30 Large Businesses (including 15 Emerging Large Businesses), 25 Small Businesses, and 15 Commercial-Sector Vendors, though these numbers may be adjusted without notice. Award decisions are based exclusively on technical rating, with no tradeoffs between cost and non-cost factors, and only the highest-rated technical offerors offering a fair and reasonable price will be selected. Evaluation is weighted heavily toward NAICS alignment, granting 1,000 points per qualifying project that matches a domain-specific NAICS code, with additional scoring for relevance, passthrough rate, vacancy rate, time-to-fill rate, schedule, and completeness. Proposals must be submitted through the Digital Market Portal, adhering to strict formatting rules including single PDF attachments, 5MB file size limits per volume, and specific naming conventions. Offerors must submit qualifying project forms, scorecards, and past performance documentation using the correct amendments based on business size category. Organizational conflict of interest provisions are stringent, requiring disclosure of actual or potential OCI, mandatory non-disclosure agreements for personnel involved in systems engineering or evaluation functions, and potential restrictions on future contracting activities by awardees. Compliance with SAM.gov representations, MIL-STD-130 and MIL-STD-129 marking for uniquely identified items, and DoD Common Access Card requirements for network access are also mandatory. Offerors must ensure their SAM registrations are current, and submissions must be made by the deadline of

POSTED

about 20 hours ago

DEADLINE

Official RFP - NSWCDD HPM Support Services

Solicitation # N0017826R3107

POSTED

about 20 hours ago

DEADLINE

AIR FORCE CRYPTOLOGIC OFFICE COMMERCIAL SOLUTIONS OPENING

Solicitation # FA7037-21-S-C001

The Air Force Cryptologic Office (AFCO) Cyberspace Intelligence Surveillance and Reconnaissance and Multi-Domain Innovation Division is soliciting innovative commercial capabilities through Commercial Solutions Opening FA7037-21-S-C001. The agency is seeking mature technologies and services in Electromagnetic Warfare, Information Operations, and electromagnetic digital communications, with a specific goal of achieving a field demonstration within one year. This solicitation emphasizes the use of novel material approaches and innovative services, including updated references to Super Intelligence. Awards may be issued as contracts or Other Transactions with periods of performance typically ranging from one to five years. The procurement follows a competitive two-phase submission process governed by 10 USC 3458 and DFARS 212.70. Phase I requires the submission of Quad Charts and White Papers, which are evaluated based on technical merit, importance to the AFCO mission, and fund availability. Selected offerors are then invited to Phase II to submit full technical and price proposals. All submissions are treated as commercial items. Offerors must possess the necessary personnel and facility security clearances to perform classified work in accordance with the National Industrial Security Program Operating Manual and DD Form 254. The primary point of contact for this effort is Carissa Heuertz.

Department Of Defense

POSTED

about 20 hours ago

DEADLINE

Optomechanical Design

Solicitation # 80NSSC27946002Q

The NASA Shared Services Center is seeking capabilities statements for a requirement involving optomechanical design and the delivery of fabricated parts for the Laser Instrument associated with the Landolt mission. Under NAICS code 541330, the government intends to issue a sole source contract to Odyssey Space, LLC, as they have been determined to be the sole provider of these services. The procurement will be conducted as a commercial item or service under FAR Part 12, with the NASA Shared Services Center acting as the procuring center and the NASA Goddard Space Flight Center serving as the location for performance. Interested organizations must submit their capabilities and qualifications in writing to the primary point of contact, Cody Guidry, by 3:00 p.m. Central Standard Time on October 19, 2026. These submissions will be used solely to determine if the procurement should be conducted on a competitive basis. The scope of work includes conducting technical evaluations with the customer prior to fabrication and providing status reports at least monthly. While the primary work is expected to be performed at the vendor's offices, the effort is tied to the NASA Goddard Space Flight Center.

NASA Shared Services Center

POSTED

about 20 hours ago

DEADLINE

Specialized Code & Safety Review (Fire/CASp/OSHPD)This subcontract for the City of Tehachapi involves providing specialized code and safety review services to support prime contractors. The scope of work focuses on Certified Access Specialist (CASp) review support, OSHPD 3 review and inspection for healthcare facilities, and Fire Code reviews conducted in coordination with the Kern County Fire Department. The selected provider is responsible for delivering safety compliance approvals and specialized certification reports. To qualify for this engagement, the contractor must hold valid CASp and OSHPD certifications. The project is categorized under NAICS code 541330 and will be performed in Tehachapi, California. Interested parties must submit their responses by the deadline of November 18, 2026.

City of Tehachapi

POSTED

DEADLINE

in about 1 month

MEP (Mechanical, Electrical, Plumbing) Plan ReviewThis subcontract opportunity with the City of Tehachapi involves providing specialized technical reviews of mechanical, electrical, and plumbing systems for both residential and commercial projects. The selected contractor will be responsible for evaluating HVAC systems, electrical circuitry, plumbing layouts, and Photo Voltaic solar installations, with capacity limits of 9KW for residential and 25KW for commercial systems. All reviews must ensure strict compliance with the California Building Standards Code Title 24, resulting in the delivery of approved system plans and detailed MEP compliance reports. The project is categorized under NAICS code 541330 and will be performed within Tehachapi, California. Interested parties must submit their responses by the deadline of November 18, 2026. This role serves as a critical quality and safety check for prime contractors to ensure that all building systems meet state regulatory requirements before project advancement.

City of Tehachapi

POSTED

DEADLINE

in about 1 month

Structural Engineering Plan ReviewThis subcontract opportunity for the City of Tehachapi involves providing professional structural engineering plan review services for various building projects. The selected contractor will be responsible for performing structural analysis and reviewing construction drawings and calculations for all building types, including masonry and retaining walls, to ensure full compliance with the California Building Standards Code Title 24. The primary deliverables for this engagement are approved structural plans and detailed structural compliance reports. To be eligible for this contract, the provider must be a Licensed Professional Engineer in the state of California. The project is categorized under NAICS code 541330 and will be performed in Tehachapi, California. Interested parties must submit their responses by the deadline of November 18, 2026.

City of Tehachapi

POSTED

DEADLINE

in about 1 month

Building Plan Check Services

Solicitation # 20261014083

The City of Tehachapi is soliciting proposals for a qualified firm to provide on-call building construction plan review services. The selected consultant will be responsible for reviewing construction drawings for residential and non-residential projects, including new construction, remodels, additions, and green building projects, to ensure compliance with the California Building Standards Code Title 24 and the California Fire Code. Key deliverables include formal reviews for architectural, structural, mechanical, plumbing, electrical, disabled access, and green building compliance, with the requirement that the firm utilize Accela permitting software. Performance is conducted remotely, with electronic transfer of plans and strict timelines for correction notices: 10 working days for first submissions and 7 working days for resubmissions. The City intends to award a single three-year contract to the most qualified firm, with the possibility of two additional one-year extensions for a maximum term of five years. Payment is based on time and materials, and the City prefers a percentage-based rate proposal tied to the amount of plan check fees collected per project. Proposals must be submitted by November 17, 2026, and include a letter of introduction, firm qualifications, resource capabilities, and a detailed fee schedule. The selected consultant must maintain comprehensive general liability insurance of at least 1 million dollars per occurrence, as well as automobile and workers compensation coverage.

City of Tehachapi

POSTED

DEADLINE

in about 1 month

Wastewater Treatment Optimization and Nitrogen Removal EngineeringThis subcontract for the County of San Luis Obispo involves providing specialized wastewater process engineering services to support prime contractors on water management projects. The scope of work focuses on evaluating treatment system contributions to effluent salts, developing recommendations for nitrogen removal optimization, and identifying effective source control measures. The final deliverable for this engagement is a Technical Memorandum detailing recommended projects and management strategies. Qualified candidates must possess a Professional Engineer license in either Civil or Environmental engineering and demonstrate proficiency in process simulation software, such as BioWin. The work will be performed in San Luis Obispo, California, under NAICS code 541330. Interested parties must submit their responses by the deadline of October 26, 2026.

County of San Luis Obispo

POSTED

DEADLINE

CSA 18 Salt And Nutrient Management Plan

Solicitation # 1996

The County of San Luis Obispo is soliciting proposals under Informal RFP 1996 for engineering and hydrogeological services to develop and implement a Salt and Nutrient Management Plan (SNMP) for the CSA 18 Wastewater Treatment Plant. The primary goal is to reduce the mass loading of salts and nitrogen species in treated effluent to ensure compliance with effluent limitations and meet the expectations of the Regional Water Quality Control Board. The project involves several key deliverables, including a comprehensive report outline, technical memoranda on agronomic uptake and salt contributors, and the production of a 90 percent draft and final SNMP. The contract is intended to span three years from the date of award, with a target date of September 2027 for submitting the final draft to the regulatory board. Proposals must be submitted in Adobe PDF format by 3:00 p.m. on October 23, 2026, and should be limited to five pages, excluding the cover letter, cost proposal, and resumes. The selection process includes a local vendor preference when quality and service factors are equal. Awardees must comply with strict nondiscrimination laws, including the Americans with Disabilities Act of 1990 and the Fair Employment and Housing Act, and must certify they are not targets of economic sanctions under Executive Order N-6-22. The successful proposer will be required to execute a contract based on the provided sample agreement and provide evidence of meeting County insurance requirements. Cost proposals must be submitted separately and include total fixed fees and detailed billing rates for key personnel.

County of San Luis Obispo

POSTED

DEADLINE