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Clark Construction Group, LLC dba C5 Contractors 7500 Old Georgetown Road Bethesda, MD 20814

UEI: SLED_70BD56CD2E683F11

Clark Construction Group, LLC dba C5 Contractors 7500 Old Georgetown Road Bethesda, MD 20814 is a federal contractor, registered under UEI SLED_70BD56CD2E683F11. It has been awarded $16,083,000 across 1 federal contract. Primary work spans Other Heavy and Civil Engineering Construction. Top awarding agencies include W7N7 Uspfo Activity Wv Arng.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_70BD56CD2E683F11

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

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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

W7N7 Uspfo Activity Wv Arng$16.1M100%

Awards by NAICS

237990 - Other Heavy and Civil Engineering Construction$16.1M100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in Clark Construction Group, LLC dba C5 Contractors 7500 Old Georgetown Road Bethesda, MD 20814's top NAICS codes and agencies

Columbia Canal Embankment Repair Services

Solicitation # columbia-canal-embankment-repair-services

The City of Columbia is seeking a contractor for the Columbia Canal Embankment Repair Services project, identified by contract number CIPDR 4241. Located in Columbia, Richland, South Carolina, this solicitation is managed by Phillips Heavy, Inc. and falls under NAICS code 237990. The opportunity is open to various small business set-asides, including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone Small Businesses, and Veteran-Owned Small Businesses. Interested parties must submit their responses by the deadline of August 26, 2026. Primary inquiries should be directed to Chandler Worley.

Phillips Heavy, Inc

POSTED

DEADLINE

TRANSFER STATION FLOOR REPLACEMENT

Solicitation # transfer-station-floor-replacement

Prospect Construction, Inc. is soliciting pricing for the Transfer Station Floor Replacement project located in Idaho. The scope of work includes aggregate, concrete, survey, and testing and inspection services. All interested subcontractors are required to provide a valid Idaho PWC license to be eligible for consideration. The solicitation is open to a wide range of small and disadvantaged businesses, including women-owned, minority-owned, and veteran-owned firms. Prospect Construction, Inc. encourages these entities to apply and may facilitate joint contracts for larger scopes of work. Proposals must be submitted by the deadline of August 24, 2026, and inquiries should be directed to James Gunther.

Prospect Construction, Inc.

POSTED

DEADLINE

Sanitary Sewer & Recycled Water Project in CA

Solicitation # sanitary-sewer-recycled-water-project-ca

The Sanitary Sewer and Recycled Water Project in Colusa, California, is a municipal infrastructure initiative managed by Garney Pacific, Inc. The scope of work involves the installation of approximately 13,000 linear feet of new sewer gravity mains, recycled water mains, and sewer force mains, along with the installation of sewer manholes and the completion of pavement grinding and asphalt overlay. Key deliverables include the full installation and testing of utility mains, CCTV inspections of the pipelines, and comprehensive surface restoration. The project is categorized under NAICS code 237990 for other heavy and civil engineering construction. This solicitation is designated as an SBA set-aside, encouraging participation from various socioeconomic categories, including Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone, and Veteran-Owned Small Businesses. A strong emphasis is placed on Disadvantaged Business Enterprise (DBE) participation, with a commitment to utilize MBE, WBE, and SBE certified subcontractors. Special requirements include the mandatory use of labor from the Laborers and Operators unions and the provision of 100 percent payment and performance bonds from Treasury-approved sureties. All agreements must be based on Garney's standard purchase order and subcontract forms. Proposals are due by September 1, 2026, at 3:00 PM PT via the Garney bidding portal.

Garney Pacific, Inc.

POSTED

DEADLINE

Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair

Solicitation # W9128A26BA002

Healy Tibbitts Builders, Inc. is seeking small business subcontractors and suppliers for the Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair project in Hawaii. This firm-fixed-price contract, issued as an Invitation for Bid by the U.S. Army Corps of Engineers Honolulu District, has an estimated value between 1 million and 5 million dollars. The scope of work includes mobilization and demobilization, the dredging and ocean disposal of 4,260 cubic yards of material, and revetted mole repairs involving stone rework and CRM wall repair. The period of performance is 200 calendar days from the date of the Notice to Proceed. The solicitation is set aside for various small business categories, including SDB, WOSB, HUBZone, VOSB, and SDVOSB, under NAICS code 237990. Key requirements include adherence to USACE EM 385-1-1 safety standards, Davis-Bacon Act prevailing wages, and the provision of a bid guarantee and performance and payment bonds. Contractors must provide a qualified project team, including a Project Manager, Superintendent, Quality Control Manager, and Site Safety and Health Officer. Liquidated damages for delays are set at 2,297 dollars per calendar day. Final acceptance is subject to a three-phase control process and a final inspection by the Contracting Officer.

Healy Tibbitts Builders, Inc.

POSTED

DEADLINE

in about 1 month

SBWRP Reverse Osmosis System

Solicitation # K-26-2469-DBB-3

Garney Pacific, Inc. is acting as the general contractor for the SBWRP Reverse Osmosis System project in San Diego, California, for the City of San Diego. The project has an estimated bid value of 19,300,000.00 dollars and falls under NAICS code 237990. The primary scope of work involves designing the removal of existing trailer-mounted electrodialysis reversal, slab-mounted membrane filtration, and reverse osmosis units, and replacing the EDR system with new slab-mounted membrane filtration and reverse osmosis units to create a demineralization facility at the South Bay Water Reclamation Plant. This facility is intended to reduce the total dissolved solids of reclaimed water. The solicitation, identified by number sbwrp-reverse-osmosis-system and bid number K-26-2469-DBB-3, has a response deadline of August 27, 2026, by 2:00 PM PT. Garney Pacific is seeking quotes from subcontractors for various services, including HVAC, plumbing, electrical, concrete, pumping, crane services, aggregate, landscaping, painting, piping insulation, and demolition. All subcontractors are required to utilize union labor and must be prepared to provide a 100% payment and performance bond from a US Treasury listed surety company, though Garney will reimburse the bond premium. The company is actively seeking participation from small businesses and disadvantaged firms, including those with DBE, MBE, WBE, or SBE certifications, and can provide assistance to SLBE and ELBE firms in obtaining bonding lines of credit or insurance. Contracting will be based on Garney Standard PO and Subcontract Forms.

Garney Pacific, Inc.

POSTED

DEADLINE

Earthwork and Grading for Shared Use PathThis subcontract opportunity, titled Earthwork and Grading for Shared Use Path, involves clearing, grubbing, excavation, and grading for a 3.5-mile shared use path. The scope of work specifically includes subgrade preparation and the construction of drainage swales. The project is being managed by the Massachusetts Highway agency and will be performed in Boston at Park Plaza. The solicitation was posted on August 17, 2026, with a response deadline of September 22, 2026. This project falls under NAICS code 237990 for all other specialty trade contractors. Interested parties can find further details through the provided COMMBUYS link.

0H100 - HIGHWAY

POSTED

DEADLINE

in about 1 month

Earthwork and GradingThis subcontract for Earthwork and Grading is issued by the Massachusetts Highway agency for a project located at Park Plaza in Boston, 02116. The scope of work involves excavation, backfill, compaction, and grading specifically for foundation support and approach roads, falling under NAICS code 237990. The opportunity was posted on August 17, 2026, with a response deadline of September 15, 2026, at 7:00 PM. Interested parties can find further details and submission guidelines through the provided CommBuys link.

0H100 - HIGHWAY

POSTED

DEADLINE

Earthwork and Site PreparationThe Earthwork and Site Preparation subcontract is issued by the Dekalb County Government in Georgia for the construction of a roundabout. The scope of work encompasses essential site preparation activities, including clearing, grubbing, excavation, grading, and the implementation of erosion control measures. This opportunity is categorized under NAICS code 237990. Interested parties must submit their responses by the deadline of October 8, 2026, at 8:00 PM. The contract was officially posted on August 17, 2026.

Dekalb County Government

POSTED

DEADLINE

in about 2 months

Stormwater Ditch UpgradesThe City of Shoreline in Washington is seeking a subcontractor for the Stormwater Ditch Upgrades project. The scope of work involves excavation, grading, and the lining of stormwater ditches to enhance drainage systems and improve erosion control. This opportunity is categorized under NAICS code 237990. Interested parties must submit their responses by the deadline of September 2, 2026, at 9:00 PM. Further details and submission guidelines can be accessed through the Public Purchase portal.

City of Shoreline

POSTED

DEADLINE

10th Ave NE Stormwater Improvements

Solicitation # 1382070

The City of Shoreline is soliciting bids for the 10th Ave NE Stormwater Improvements project, identified as solicitation number 1382070. The scope of work involves upgrading stormwater ditches, replacing pipes, and installing water quality features at 10th and 8th Ave NE between NE 165th and 174th St in Washington. The estimated construction cost is 681,832 dollars, and the project must be physically completed within 60 working days. This project is partially funded by the Washington State Department of Ecology and requires strict adherence to state prevailing wage laws and apprenticeship utilization requirements. Bids must be submitted electronically via PublicPurchase.com by 2:00 p.m. Pacific Local Time on September 2, 2026. All proposals must use the official provided form and include a bid proposal deposit of 5 percent of the total bid amount via certified check, cashier's check, or surety bond. The contract will be awarded to the responsible bidder with the lowest responsive bid under a Lowest Price Technically Acceptable framework. Additionally, the successful contractor must provide a satisfactory performance bond and comply with Title VI of the Civil Rights Act of 1964 regarding non-discrimination and disadvantaged business enterprise participation.

City of Shoreline

POSTED

DEADLINE

Rose Hill Park Hardscape & Landscape Improvements

Solicitation # P26-054

City of Port Arthur

POSTED

DEADLINE

Site Restoration and GradingThe Georgia Department of Transportation is seeking a subcontractor for a site restoration and grading project. The scope of work involves post-demolition grading, erosion control, and site restoration designed to match existing right-of-way conditions while ensuring long-term stability and proper drainage. This opportunity is categorized under NAICS code 237990. Interested parties must submit their responses by the deadline of August 25, 2026, at 7:00 PM. Further details and application processes are available through the official Georgia Department of Administrative Services portal.

Department of Transportation

POSTED

DEADLINE

IFB - 200 FRONTAGE RD - STORMWATER IMPROVEMENTS

Solicitation # BD-27-1142-251-251-132312

The City of Boston Transportation Department is seeking bids for stormwater improvements located at 200 Frontage Road under solicitation number BD-27-1142-251-251-132312. This project is managed by the Massachusetts state agency and requires interested parties to submit their responses by the deadline of September 3, 2026, at 4:00 PM. Prospective bidders can access detailed event information and submit electronic responses through the City of Boston Supplier Portal using event code EV00017777. For further inquiries, contact Dean Thomas via phone at 617-635-3931 or email at streetscontracts@boston.gov.

251 - Transportation Department

POSTED

DEADLINE

IFB - (RE- BID) - PLOW SALT MUNI STAIRS AREAS A&D

Solicitation # BD-27-1142-311-311-132300

The City of Boston Public Works Department is seeking bids for the re-bid of plowing and salting services for municipal stairs in Areas A and D. This solicitation, identified by number BD-27-1142-311-311-132300, is open for responses until September 10, 2026, at 4:00 PM. Interested parties can access event details and submit electronic responses through the City of Boston Supplier Portal under event EV00017815. For further inquiries, contact Dean Thomas via phone at 617-635-3931 or email at streetscontracts@boston.gov.

311 - Public Works Department

POSTED

DEADLINE

Dike Repair and ConstructionThe Dike Repair and Construction subcontract, issued by the South Carolina Land Preservation agency, focuses on the restoration and expansion of water control infrastructure. The scope of work includes repairing broken dikes, replacing damaged sections, and constructing new dikes that must be integrated with inlet structures. All work must adhere to specific standards for compaction and erosion control to ensure structural integrity and environmental protection. This opportunity is categorized under NAICS code 237990. The solicitation was posted on August 17, 2026, with a response deadline of September 17, 2026. Interested parties can find further details and submission guidelines through the OpenGov procurement portal.

Land Preservation

POSTED

DEADLINE

Water Management Renovations at Pocotaligo Preserve - Phase II

Solicitation # 091726

Beaufort County's Land Preservation Department is soliciting bids for Phase 2 of the water management renovations at Pocotaligo Preserve in Yemassee, South Carolina. This final phase of a design-build process aims to improve water exchange and achieve habitat objectives through the installation of additional pipes, structures, and circulation canals. The selected contractor must provide all necessary equipment, materials, and manpower, adhering to specific staging and safety protocols, including the use of orange mesh fencing and designated access routes. The contractor is responsible for removing identified vegetation and all unnatural debris, ensuring that stump holes are filled and dikes are properly compacted for vehicle travel. Work must be performed during dry conditions to prevent rutting, and disturbed soils must be seeded with approved ground cover and protected by silt fencing. The project is covered by a Managed Tidal Impoundment General Permit from the U.S. Army Corps of Engineers, and all work is guaranteed for one year following completion. Proposers must provide three professional references from similar projects completed within the last five years.

Land Preservation

POSTED

DEADLINE

Site Preparation and EarthworkThe Site Preparation and Earthwork subcontract, managed by the Georgia Purchasing and Contracting agency, focuses on comprehensive land preparation services. The scope of work includes clearing, grubbing, excavation, grading, and erosion control, with a specific requirement for layout based on survey stakes and the protection of adjacent areas from debris. This opportunity is categorized under NAICS code 237990 and was posted on August 17, 2026. Interested parties must submit their responses by the deadline of October 8, 2026. Further details and application processes are available through the provided procurement portal.

Purchasing & Contracting

POSTED

DEADLINE

in about 2 months

Flood Control Infrastructure MaintenanceThe Flood Control Infrastructure Maintenance subcontract, issued by the St. Johns River Water Management District in Florida, focuses on the ongoing upkeep of levees, canals, and embankments. The scope of work includes grading, erosion control, and vegetation management to maintain structural integrity and ensure proper water flow. This opportunity falls under NAICS code 237990 and was posted on August 17, 2026. Interested parties must submit their responses by the deadline of September 1, 2026.

St. Johns River Water Management Dist

POSTED

DEADLINE