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CASTLE HILL PARTNERS, INC

UEI: W32AQK4BCKG3CAGE: 14QV0

CASTLE HILL PARTNERS, INC is a federal contractor, registered under UEI W32AQK4BCKG3 and CAGE code 14QV0. It has been awarded $2,221,250 in federal contracts. Primary work spans Specialized Automotive Repair. Top awarding agencies include Department Of Homeland Security.

Contact Information

Registration and classification details

Websitehttps://castlehillinc.com/

Address123 Main St, City, ST 12345

Registration

UEI Code

W32AQK4BCKG3

CAGE Code

14QV0

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit OrganizationWoman-Owned BusinessWomen-Owned Small Business

NAICS Codes

336320Motor Vehicle Electrical and Electronic Equipment Manufacturing

336390Other Motor Vehicle Parts Manufacturing

811111General Automotive Repair

811121Automotive Body, Paint, and Interior Repair and Maintenance

811198All Other Automotive Repair and Maintenance(Primary)

Federal Contracting Overview

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

AI Capability Profile

Castle Hill Partners, Inc. specializes in the modification and customization of law enforcement vehicles. Their core capabilities include vehicle upfitting, graphic wrap design, and the professional application of vehicle graphics to meet agency specifications. The company provides specialized auto...

Key Performance Metrics

Awards Count

1

All time

Active

0

Currently performing

Completed

1

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$2.2M100%

Awards by NAICS

811114 - Specialized Automotive Repair$2.2M100%

Awards by Agency Over Time

Awards by Place of Performance

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School Bus Mechanical Servicing and CertificationThis subcontract for School Bus Mechanical Servicing and Certification involves providing operational servicing and safety inspections for prime contractors working on Monroe City Schools projects. The scope of work includes comprehensive mechanical maintenance such as engine tuning, chassis lubrication, front end alignment, wheel balancing, and electrical system servicing to ensure all buses are delivered in fully operational condition. A critical component of the contract is the requirement for heavy-duty diesel mechanic expertise to obtain Temporary License Plates and Louisiana Safety Inspection Stickers through an authorized inspection station certification. Interested parties should note the response deadline of October 27, 2026, for this opportunity categorized under NAICS code 811114.

Monroe City Schools

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DCR Snowplow Furnish and Installation on Ford F-450 Dump Truck

Solicitation # QQ-129633

The Virginia Department of Conservation and Recreation is seeking fixed-price bids for the furnishing and installation of one new commercial-grade steel straight-blade snowplow on a 2019 Ford F-450 dump truck. The required equipment must have a width between 8 feet 6 inches and 9 feet and include heavy-duty dual angling cylinders, multi-position trip springs, a vehicle-specific mounting frame, a heavy-duty plow box structural frame, a 12V DC in-cab controller, and a matching electrical wiring harness. The contractor is responsible for all labor and materials, including the removal of existing bumper components if necessary. All work must be completed by October 31, 2026, and the vendor must be located within 50 miles of Pocohontas State Park in Chesterfield, Virginia. This solicitation is a small business set-aside, with award priority given to DSBSD-certified micro and small businesses. To be eligible, bidders must be manufacturer-authorized dealers and certified installers to maintain the original equipment manufacturer warranty. The contract includes a two-year warranty against defects in material and workmanship, and the contractor must provide preventive maintenance and testing during this period. Award will be made to the lowest responsive and responsible bidder on a grand total basis. Bids must be submitted electronically by October 16, 2026, and must include a vendor data sheet, applicable licenses, unit specifications, and warranty terms.

Department of Conservation and Recreation

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CONVERSION OF TRANSHELP BUSES TO A LOW-PRESSURE INJECTION DUAL FUEL (GASOLINE AND PROPANE) SYSTEM

Solicitation # 2026-596T

The Region of Peel is soliciting bids for the conversion of 19 TransHelp buses, specifically 2027 or newer Ford E350 models with 7.3L 8-cylinder engines, to a low-pressure injection dual fuel system utilizing gasoline and propane. The selected vendor must be a Technical Standards and Safety Authority approved Propane Vehicle Conversion Centre and provide staff with TSSA issued Internal Combustion Engine Propane certification. The scope of work includes recommending the best current technology, supplying all necessary equipment and labor, and ensuring the system automatically reverts to gasoline during propane malfunctions. All installations must occur at the vendor's site, with the vendor managing and funding all vehicle transportation. Compliance is mandatory with CSA B149.5:25, CSA B51, and TSSA Propane Code Adoption standards, and components must be certified for operation in temperatures as low as minus forty degrees Celsius. Bidders must provide a documented quality control program approved by a Canadian licensed Professional Engineer. Evaluation factors include past performance, litigation history, pricing realism, and a preference for Canadian or non-U.S. vendors. Electronic submissions are due by October 22, 2026, at 12:00 noon local time in Brampton, Ontario. Payment will be processed via Electronic Funds Transfer following the submission of required banking and company officer documentation.

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Field Service and Mobile Repair (Allison Transmissions)This subcontract focuses on providing specialized field service and mobile repair for Allison transmissions supporting the County of Volusia Transit Services Division. The selected provider will be responsible for performing on-site diagnostics and repairs to return buses to service, specifically utilizing TRANSHEALTH diagnostics and mobile service vehicles. To ensure quality and compliance, the contract requires the use of factory-trained Allison technicians equipped with all manufacturer-mandated diagnostic tools. The primary deliverables include the provision of fully operational repaired transmissions and detailed diagnostic reports. This opportunity is categorized under NAICS code 811114 and is managed by the Florida Transit Services agency. Interested parties must submit their responses by the deadline of November 3, 2026.

Transit Services

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DEADLINE

Remanufacture of Allison Transmissions and Service

Solicitation # 27-B-04LB

The County of Volusia Transit Services Division, doing business as VOTRAN, is soliciting bids for the remanufacture, service, and repair of Allison automatic transmissions for its bus fleet. The successful contractor must be an Allison factory authorized full-service distributor or dealer capable of performing work at their own facility and providing field repairs. All work must utilize genuine Allison parts and adhere to the most current factory authorized repair procedures and OEM specifications. Key deliverables include newly painted transmissions with all openings plugged or capped, the inclusion of all torque converter bolts, and a warranty of twenty-four months with unlimited miles covering both parts and labor. Acceptance of remanufactured units is contingent upon the delivery of test results, and the contractor must maintain a no-hassle core acceptance policy. The contract is for an initial three-year term with the option for two subsequent one-year renewals. Award will be granted to the lowest responsive and responsible respondent who represents the best overall value, with evaluation factors including total cost, technical compliance, financial stability, and a record of three relevant projects completed within the last three years. Mandatory requirements include System for Awards Management registration and compliance with Federal Transit Administration Third Party Contract Clauses, including Buy America regulations for purchases exceeding 150,000 dollars. Payment for undisputed invoices will be remitted within forty-five business days. Responses must be submitted electronically via the OpenGov Procurement portal by November 3, 2026, at 3:00 pm.

Transit Services

POSTED

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ARFF Vehicle Commissioning and Lifecycle SupportThe ARFF Vehicle Commissioning and Lifecycle Support subcontract involves providing specialized technical services for aircraft rescue and firefighting vehicles at Teesside International Airport. The scope of work includes performing commissioning, delivery, and operational testing to ensure all vehicles comply with strict airport safety standards. Additionally, the contractor is responsible for providing ongoing technical support and long-term maintenance utilizing diagnostic tools for ARFF systems and dedicated firefighting equipment testing rigs. Key deliverables for this engagement include the submission of detailed commissioning reports and the establishment of a comprehensive support and maintenance agreement. Interested parties must submit their responses by the deadline of October 27, 2026. This project is categorized under NAICS code 811114 and focuses on ensuring the operational readiness and safety compliance of critical emergency response assets.

Teesside International Airport

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: Mobile Diagnostics and Integration (MDI) Service Support

Solicitation # FA5641-27-Z-0001

The Air Force Installation Contracting Center 764th Enterprise Sourcing Squadron, supporting the United States Air Forces in Europe and Africa, has issued a Sources Sought notice to identify potential vendors for the Mobile Diagnostics and Integration (MDI) service support contract. This effort seeks a contractor to provide comprehensive lifecycle support, vehicle modifications, training, and logistical sustainment for a fleet of 2024 Mercedes-Benz Sprinter Cargo Vans supporting the 435th Air Ground Wing Operations. The scope of work includes up to 500 hours of service labor, remote diagnostics, and ten in-person service visits within the USAFE-AFARICOM area of operations. Key technical requirements involve implementing removable life support A/C units, integrating backup WS500 devices for battery charging, executing AdBlue system bypasses, and securing official Air Transportability Test Loading Agency certification for all vehicles. Logistical requirements include the procurement, off-site storage, and management of 115 modification material replacement kits, each containing 102 line items, with a mandatory two-week shipping turnaround to the 435 AGOW. Additionally, the contractor must provide six sets of specialized diagnostic tools and conduct up to two in-person training visits in Europe. The anticipated period of performance consists of a one-year base period with two optional one-year extensions. This is currently a market research effort; interested firms must submit a response limited to five pages, including company details and two examples of similar work performed within the last five years, by 1:00 PM local Ramstein time on October 15, 2026.

FA5641 764 Ess Pk

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School Bus Fleet MaintenanceThis subcontract for School Bus Fleet Maintenance supports the Town of Mansfield Department of Public Works by providing essential mechanical maintenance and safety inspections. The scope of work includes performing oil changes, brake inspections, tire rotations, and engine diagnostics utilizing heavy-duty lifts and specialized diagnostic software to ensure the fleet meets all regulatory and safety standards. Qualified providers must hold ASE Certification and state-certified vehicle inspection licenses. The project is located in Mansfield, Massachusetts, with a response deadline set for October 30, 2026.

MPW01 - Department of Public Works

POSTED

DEADLINE

Onsite Trash Truck Services and Repairs

Solicitation # 2026-Informal-0543

The City of Pasadena Public Works Department, Building Systems and Fleet Management Division, is soliciting quotes under solicitation 2026-Informal-0543 for onsite diagnostic, maintenance, warranty, troubleshooting, and repair services for its fleet of refuse collection vehicles. The primary objective is to mitigate equipment downtime and ensure uninterrupted waste collection services due to staffing shortages and increased maintenance needs. Services will be performed primarily at the City Yards located at 323 W. Mountain Street, Pasadena, California. The scope of work includes the repair and replacement of hydraulic systems, electrical components, and safety devices, requiring the contractor to provide a fully equipped service vehicle with all necessary diagnostic and lifting tools. The contract will be awarded to the responsive and responsible bidder offering the lowest grand total price. Bidders must submit their proposals via the OpenGov portal by October 13, 2026, at 3:00pm, including a Unique Entity Identifier from SAM.gov, a relevant experience form, and a disclosure regarding contracts with the U.S. Department of Homeland Security. Awarded contractors must provide a Pasadena Business License, IRS Form W-9, and proof of insurance within 10 calendar days of notification. Key contractual requirements include a minimum of 30 percent recycled content for parts, the use of new OEM or City-approved equivalent parts, and a mandate that the contractor correct any workmanship deficiencies at no additional labor cost to the City.

Public Works Department, BSFMD

POSTED

DEADLINE

in about 14 hours

Supply and Installation of Replacement Transit Bus Engine

Solicitation # RFQ-2026-101

The City of Grande Prairie is soliciting quotations under RFQ-2026-101 for the supply and installation of a replacement engine for City Transit Bus CTB-021. The scope of work requires the removal of the existing engine and the installation of a new or Cummins-remanufactured Cummins ISL9 280 engine, along with a new compatible air compressor assembly. The successful respondent must provide all necessary fluids, filters, gaskets, and hardware, and perform all required programming, calibration, testing, and commissioning to return the vehicle to fully operational service. A minimum five-year warranty on the replacement engine is required, and all work must be performed by a current Cummins-authorized or Cummins-certified service facility. The contract will be awarded to the lowest-priced compliant respondent following a two-stage evaluation of mandatory submission and technical requirements. Beyond the initial replacement for CTB-021, the City intends to establish a three-year agreement with the selected supplier for potential additional transit bus engine replacements and related work. Submissions must be made electronically via the bids&tenders portal by October 20, 2026, at 2:00 p.m. Mountain Time. Pre-conditions for award include the provision of valid certificates of insurance and a WCB Clearance or Exemption Letter. Invoices are to be submitted electronically to the City's accounts payable department and must include the supplier's GST number.

City of Grande Prairie

POSTED

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City of Grande Prairie - Request for Quotes - Supply and Installation of Replacement Transit Bus Engine

Solicitation # AB-2026-06569

The City of Grande Prairie is seeking quotes for the supply and installation of a replacement Cummins ISL9 280 engine and a new air compressor assembly for transit bus CTB-021. The scope of work encompasses the removal of the current engine, installation of the new components, necessary programming, calibration, testing, commissioning, and the provision of applicable warranty coverage. Beyond the immediate replacement, the City intends to enter into a three-year agreement with the selected supplier for additional transit bus engine replacements and related services as needed. Interested respondents must submit their proposals by October 20, 2026, for this project located in Grande Prairie, Alberta.

City of Grande Prairie

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DEADLINE

RFP#27-06 Emergency Vehicle Repair Services

Solicitation # RFP#27-06

The City of Fall River Purchasing Department is soliciting sealed bids under RFP#27-06 for comprehensive emergency vehicle upfitting, radio equipment installation, maintenance, and repair services. This open market procurement is specifically for the City of Fall River EMS Department and covers a fleet consisting of emergency medical response vehicles, command units, and support vehicles. The resulting contract will have an initial term of two years, with an option to renew for one additional year. Interested vendors must submit sealed bids to the Office of the Purchasing Agent at One Government Center, Room 324, Fall River, MA 02722, no later than 2:00 PM on October 15, 2026. All submitted pricing must remain firm following the bid opening, and any deviations from the provided specifications must be detailed in the proposal. The City of Fall River serves as the sole judge of equivalency and acceptability for all services. Minority Business Enterprise and Women Business Enterprise participation is encouraged.

F0138 - Purchasing

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Regional Municipality of Wood Buffalo - Request for Quotes - RFQ-2026-1376 – Cummins Transit Engine Installation and Maintenance

Solicitation # AB-2026-06578

The Regional Municipality of Wood Buffalo is seeking non-binding quotations for the installation and maintenance of Cummins transit engines. The intended contract term is for three years, with the municipality holding the option to extend the agreement for up to two additional one-year periods under the same terms and conditions. Interested respondents must access all bid documents and submit their quotations exclusively through the municipality's official bidding system by the deadline of October 23, 2026. Hardcopy and email submissions are strictly prohibited, and all official correspondence will be conducted through the electronic portal.

Regional Municipality of Wood Buffalo

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On-Site Mobile Engine Repair and InspectionThis subcontract for the Regional Municipality of Wood Buffalo involves providing on-site mobile engine repair and inspection services for the municipality's transit fleet. The selected provider will support prime contractors by performing field diagnostics, mechanical repairs, and emergency roadside or depot-based engine services utilizing fully equipped mobile service trucks. To qualify for this engagement, service providers must hold mobile service safety certifications and specific Cummins technical qualifications. The contract focuses on the delivery of professional on-site repair and diagnostic verification, with a response deadline set for October 23, 2026.

Regional Municipality of Wood Buffalo

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Cummins Engine Electronic Diagnostics and ECM ProgrammingThis subcontract for the Regional Municipality of Wood Buffalo focuses on providing specialized electronic diagnostics and ECM programming for the municipality's transit fleet. The selected provider will support prime contractors by utilizing Cummins INSITE software and hardware interfaces to perform engine system diagnostics, execute ECM updates, and identify various mechanical or electronic failures. The contract requires the use of certified Cummins diagnostic technicians to ensure technical accuracy and quality. Key deliverables include the provision of detailed diagnostic reports and the delivery of successfully programmed ECMs. Interested parties must submit their responses by the deadline of October 23, 2026.

Regional Municipality of Wood Buffalo

POSTED

DEADLINE

Cummins Engine Mechanical Repair and OverhaulThis subcontract for the Regional Municipality of Wood Buffalo involves providing specialized mechanical labor for the maintenance and overhaul of the municipality's transit fleet. The scope of work focuses on the removal, installation, rebuilding, and repair of Cummins engines, including all integrated cooling, fuel, air intake, exhaust, and lubrication systems. To ensure quality and safety, the contractor must be qualified to work on Cummins engines according to manufacturer specifications and must utilize heavy-duty hoisting equipment and specialized tooling to deliver fully commissioned, operational engines. The opportunity is listed under NAICS code 811114 and was posted on September 28, 2026. Interested parties must submit their responses by the deadline of October 23, 2026. This role functions as a subcontractor supporting prime contractors to maintain the reliability and performance of the regional transit infrastructure.

Regional Municipality of Wood Buffalo

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Cummins Transit Engine Installation and Maintenance

Solicitation # RFQ-2026-1376

The Regional Municipality of Wood Buffalo is soliciting quotations for the installation and maintenance of Cummins transit engines for its transit fleet. The scope of work includes diagnostics, removal, installation, overhaul, rebuilding, warranty repair, and parts procurement for engines and associated cooling, fuel, air intake, exhaust, and lubrication systems. The intended contract is a Goods and Services Agreement with a three-year term and two optional one-year extensions, with an anticipated execution date in November 2026. Work is generally performed at the vendor's facility, and the municipality will handle vehicle transport if the facility is within 100 kilometers of the Urban Service Area. The selection process follows a high-score evaluation based on 100 points, with pricing accounting for 80 points, social procurement for 10 points, and Indigenous participation for 10 points. Mandatory submission requirements include the completion of respondent declaration and information forms via the electronic bidding system, as well as the provision of a Safety Certificate of Recognition or SECOR certificate. Performance standards require engine repairs to be completed within three business days of authorization and written cost estimates provided within two business days of a request. Vendors must adhere to Cummins installation procedures and industry best practices, with the municipality conducting random audits to ensure quality control.

Regional Municipality of Wood Buffalo

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NYCT Engine Removal and Replace

Solicitation # 2139358

MTA New York City Transit (NYCT) is soliciting a three year contract under solicitation number 2139358 for engine removal and replacement services for its bus fleet. The scope of work encompasses the entire process of engine replacement, including the removal of old engines, stripping of old components, dressing and installation of new engines, filling required fluids, and performing final start up and test drives. The contractor is responsible for providing all necessary labor and equipment to complete these tasks, while NYCT will supply the required parts and materials, excluding tools and fluids. The contract requires that the price schedule remain firm for the full three year duration of the term. Bids for this opportunity are due by October 23, 2026, and should be submitted to the NYCT Bid Desk. The primary point of contact for this procurement is Sandra Charles-Warner. This solicitation is categorized under NAICS code 811114 and is designated for performance within the state of New York.

MTA - NYC Transit (NYCT)

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