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Mason Dixon Contractors LLC.

UEI: SLED_C0E2C2F8798F7F85

Mason Dixon Contractors LLC. is a federal contractor, registered under UEI SLED_C0E2C2F8798F7F85. It has been awarded $1,664,915 across 6 federal contracts. Primary work spans Unknown NAICS. Top awarding agencies include Chester County, Adams County, and Lancaster County.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_C0E2C2F8798F7F85

Federal Contracting Overview

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

AI Capability Profile

Mason Dixon Contractors LLC specializes in civil engineering and public works construction, with a primary focus on water and wastewater infrastructure. Their core capabilities include the construction of wastewater treatment plant expansions, the installation of pumping station flow metering system...

Key Performance Metrics

Awards Count

0

All time

Active

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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

Chester County$956.7K57.5%

Adams County$422.8K25.4%

Lancaster County$201.1K12.1%

Berks County$84.3K5.1%

Awards by NAICS

- Unknown NAICS$1.7M100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in Mason Dixon Contractors LLC.'s top NAICS codes and agencies

New Joy Drive Water Main Modifications

Solicitation # Bid #EAJA2627-1

The Ephrata Area Joint Authority is soliciting sealed bids for the locating and identifying of approximately 1,000 existing water service lines through excavation, material identification, documentation, and full restoration of all disturbed areas, under Bid #EAJA2627-1. Bids must be submitted electronically via the PennBid platform by 10:00 AM local time on Thursday, August 27, 2026, with bid results publicly displayed immediately after the online opening. All contract documents are available free of charge on the same platform, and any questions must be submitted in writing through PennBid no later than 12:00 PM on Wednesday, August 19, 2026. Each bid must include a bid bond equal to 10 percent of the total base bid, secured by certified check, letter of credit, or other acceptable form, and no bid may be withdrawn for 60 calendar days after the submission deadline unless permitted by law. The contractor is required to provide performance and payment bonds, comply with the Pennsylvania Prevailing Wage Act, adhere to Federal OSHA safety standards, and meet the requirements of PA Act 127 by submitting E-Verify enrollment verification for all employees and subcontractors prior to work commencement. The authority will award the contract to the lowest responsive and responsible bidder, reserving the right to reject any or all bids. All employment practices must comply with non-discrimination laws, including the Pennsylvania Human Relations Act, prohibiting discrimination based on race, color, creed, disability, religion, age, sex, or national origin. The work will be performed in Lancaster County, Pennsylvania, and compliance with all regulatory and contractual conditions is mandatory for contract award and execution.

Lancaster County

POSTED

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2027 Sludge Hauling Contracts

Solicitation # East Vincent Township, Spring City, Chester County

East Vincent Township is seeking bids for two separate sludge hauling contracts for the year 2027, covering the Veterans Center and Bartons Meadows Wastewater Treatment Plants. Contract A involves the hauling and disposal of dewatered sludge, liquid sludge, and emergency raw wastewater from the Veterans Center facility. Contract B focuses on the hauling, processing, and disposal of liquid sludge from Bartons Meadows, including scum baffle cleaning and emergency raw wastewater hauling to either a permitted facility or a specific township manhole. Bids for Contract B must include both scheduled liquid sludge hauling and emergency wastewater hauling to be considered for an award. The contract term is set for two years with an option for a one-year extension. Bids must be submitted through the PennBid website no later than 2:00 PM local time on Tuesday, September 15, 2026. All unit price bids must be all-inclusive of labor, fuel, equipment, and disposal fees, as no additional surcharges will be permitted. Contractors must adhere to strict emergency response times, specifically four hours for the Veterans Center and two hours for Bartons Meadows. Bidders are required to comply with state and federal environmental regulations, anti-bid-rigging laws, and the Public Works Employment Verification Act, which necessitates the use of the E-Verify system. All bids remain irrevocable for 60 days following the public opening.

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Supply of ASHTO 57 AggregateThis subcontract opportunity with Adams County, Pennsylvania, involves the supply and delivery of ASHTO 57 aggregate to create a 6-inch layer for a structural floor base. The project is categorized under NAICS code 212324 and will be performed within Adams County. Interested parties must submit their responses by September 10, 2026, at 6:30 PM. The solicitation was officially posted on August 17, 2026, and further details can be accessed through the PennBid portal.

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Supply of Ready-Mix ConcreteAdams County in Pennsylvania is seeking a subcontractor for the supply of high-strength 4,500 psi ready-mix concrete specifically for floor slab installation. This procurement opportunity falls under NAICS code 327320 and is being managed through the PennBid portal. The solicitation was posted on August 17, 2026, and interested parties must submit their responses by the deadline of September 10, 2026, at 6:30 PM. The performance of the contract will take place within Adams County.

POSTED

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Roofing and Siding InstallationAdams County in Pennsylvania is seeking a subcontractor for the installation of complete metal roofing and siding systems. All work must be performed according to approved specifications and is categorized under NAICS code 238160. The opportunity was posted on August 17, 2026, and the deadline for responses is September 10, 2026, at 6:30 PM. Performance of the contract will take place within Adams County.

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Structural Framing (Wood Post System)This subcontract opportunity, issued by Adams County, Pennsylvania, involves the fabrication and erection of wooden post structural framing for a building measuring 60 feet wide by 80 feet long with a wall height of 20 feet. The project falls under NAICS code 238120 and is located within Adams County. Interested parties must submit their responses by the deadline of September 10, 2026, at 6:30 PM. The solicitation was officially posted on August 17, 2026, and further details can be accessed through the PennBid portal.

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Concrete Floor InstallationThis subcontract for Adams County, Pennsylvania, involves the supply and placement of a 6-inch reinforced concrete floor. The specifications require a concrete strength of 4,500 psi installed over an ASHTO 57 stone base. The project falls under NAICS code 238110. The opportunity was posted on August 17, 2026, with a response deadline of September 10, 2026, at 6:30 PM. Performance of the work will take place within Adams County.

POSTED

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Site Preparation and Foundation WorkThis subcontract for Site Preparation and Foundation Work in Adams County, Pennsylvania, involves clearing, grading, excavation, and the installation of footings and foundation systems. All work must be performed in strict compliance with Pennsylvania building codes. The opportunity was posted on August 17, 2026, with a response deadline of September 10, 2026, at 6:30 PM. The project falls under NAICS code 238990 and is managed by Adams County.

POSTED

DEADLINE

Trail Loop Project

Solicitation # 26-07541

The Borough of Carroll Valley is soliciting sealed bids for the Trail Loop Project located on Skylark Trail in Adams County, Pennsylvania. The selected contractor will be responsible for providing all necessary labor, equipment, and materials to construct a comprehensive trail system on borough-owned land. The project scope includes the development of approximately 1,726 linear feet of walking trails meeting Universal Access parameters and 3,754 linear feet of singletrack hiking trails. Additionally, the project requires the installation of two 30-foot Fiberglass-Reinforced Polymer bridge crossings and the construction of a gravel driveway and parking area. This parking facility must include a trailhead, a kiosk, and ADA-accessible parking spaces and access aisles. Interested parties must submit their responses by September 10, 2026, with David Hazlett serving as the primary point of contact for the solicitation.

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Construction Site Protection and PreservationThe Construction Site Protection and Preservation subcontract, issued by Berks County in Pennsylvania, focuses on the safeguarding of existing surfaces, structures, and landscaping throughout the construction process. The scope of work requires the implementation of temporary barriers, protective coverings, and environmental controls to prevent damage and maintain site integrity. Interested parties must submit their responses by the deadline of September 10, 2026, at 3:00 PM. The project is categorized under NAICS code 238990 and will be performed within Berks County. Detailed opportunity information and submission portals are available through the PennBid platform.

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Material Supply – Ready-Mix ConcreteThis subcontract opportunity with Berks County, Pennsylvania, involves the supply and delivery of ready-mix concrete specifically for the construction of sidewalks, curb ramps, and restoration areas. All materials must be provided in accordance with the established project specifications and delivery schedule. The solicitation was posted on August 13, 2026, and the deadline for responses is September 10, 2026, at 3:00 PM. The project falls under NAICS code 327320 and will be performed within Berks County.

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Concrete Cutting, Patching, and RestorationThis subcontract opportunity with Berks County, Pennsylvania, focuses on the precision cutting, patching, and surface restoration of existing concrete sidewalks and curbs to ensure seamless integration with new construction. The project falls under NAICS code 238990 and is located within Berks County. The solicitation was posted on August 13, 2026, and requires a response by September 10, 2026, at 3:00 PM. Interested parties can find further details and submission guidelines through the PennBid Bonfire hub portal.

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ADA-Compliant Curb Ramp ConstructionBerks County, Pennsylvania, is seeking a subcontractor for the design and installation of ADA-compliant curb ramps at various intersections. The project requires the implementation of proper slopes, the installation of detectable warnings, and the integration of necessary drainage systems to ensure full accessibility and safety. This opportunity was posted on August 13, 2026, with a response deadline of September 10, 2026. The work falls under NAICS code 238290 and will be performed within Berks County. Interested parties can find further details and submission guidelines through the PennBid portal.

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Cast-in-Place Concrete Sidewalk InstallationThis subcontract opportunity with Berks County, Pennsylvania, involves the cast-in-place installation of concrete sidewalks. The scope of work includes the forming, pouring, finishing, and curing of concrete, with a strict requirement that all installations comply with municipal standards and the Americans with Disabilities Act. The project is categorized under NAICS code 238110. Interested parties must submit their responses by the deadline of September 10, 2026, at 3:00 PM. Performance of the contract will take place within Berks County.

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Tree Removal and Site ClearingThis subcontract opportunity with Berks County, Pennsylvania, involves selective tree removal, site clearing, and debris hauling to prepare specific areas for the construction of sidewalks and curbs. The scope of work also includes necessary site restoration following the clearing process. The project is categorized under NAICS code 115310. Interested parties must submit their responses by the deadline of September 10, 2026, at 3:00 PM. Performance of the contract will take place within Berks County.

POSTED

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High Steet Pedestrian and Accessibility Improvements

Solicitation # Borough of Womelsdorf, Berks County

The Borough of Womelsdorf is seeking sealed proposals for the High Street Curb and Sidewalk Improvement Project, which includes curb repairs, ADA ramp installation, and restoration along High Street, N 3rd Street, and S 2nd Street, with potential tree removal. Bids must be submitted online via PennBid by 11:00 am on September 10, 2026. The contract will be awarded to the lowest responsible bidder on September 15, 2026, at the Womelsdorf Borough Hall. Prospective bidders must be PennDOT qualified with at least five years of relevant experience and must adhere to the Pennsylvania Prevailing Wage Act. The project is partially funded by the Multimodal Transportation Fund and the Commonwealth Financing Authority, requiring strict compliance with grant agreements. Submissions must include a bid security of ten percent of the bid amount, along with a Non-Collusion Affidavit and Contractor Qualification Statement. The winning bidder will be required to provide a performance bond for one hundred percent of the contract value within ten calendar days of acceptance.

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Compliance and Bonding ServicesChester County in Pennsylvania is seeking a subcontractor for Compliance and Bonding Services under NAICS code 524126. The scope of work involves the provision of performance bonds and essential compliance documentation required for contract award, specifically including wage reporting and a Non-Collusion Affidavit. The opportunity was posted on August 11, 2026, with a response deadline of September 8, 2026. All services will be performed within Chester County, and interested parties can find further details through the PennBid portal.

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CDL Operator Services with EquipmentChester County, Pennsylvania, is seeking a subcontractor to provide CDL-qualified operators for heavy equipment, specifically including rollers, dump trucks, and excavators, to support various public works projects. This subcontract opportunity falls under NAICS code 488240 and is focused on the delivery of skilled personnel capable of operating specialized machinery within the county. The solicitation was posted on August 11, 2026, with a response deadline of September 8, 2026. Interested parties can find further details and submission guidelines through the PennBid portal.

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