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SOUTHERN DREDGING CO INC

UEI: JXVMX8LB9W17CAGE: 0C011

SOUTHERN DREDGING CO INC is a federal contractor, registered under UEI JXVMX8LB9W17 and CAGE code 0C011. It has been awarded $377,438,180 across 93 federal contracts. Primary work spans Other Heavy and Civil Engineering Construction, Unknown NAICS, and Unknown NAICS. Top awarding agencies include Department Of Defense, W074 Endist Savannah, and W074 Endist Charleston.

Contact Information

Registration and classification details

Registration

UEI Code

JXVMX8LB9W17

CAGE Code

0C011

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

2XXS

NAICS Codes

237990Other Heavy and Civil Engineering Construction(Primary)

Federal Contracting Overview

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

AI Capability Profile

Southern Dredging Co Inc specializes in heavy civil engineering construction with a focused expertise in maintenance dredging and harbor infrastructure projects. The company executes complex hydraulic excavation and sediment management operations in sensitive coastal and estuarine environments, util...

Southern Dredging Co Inc specializes in heavy civil engineering construction with a focused expertise in maintenance dredging and harbor infrastructure projects. The company executes complex hydraulic excavation and sediment management operations in sensitive coastal and estuarine environments, utilizing specialized dredging equipment and precision surveying techniques to restore navigational channels, maintain military port access, and comply with environmental permitting requirements. Their technical proficiency includes cutterhead and trailing suction dredging, confined disposal facility management, and USACE-compliant spoil handling protocols, with demonstrated experience in high-traffic military harbor systems and federally regulated waterways. The contractor maintains a consistent relationship with the Department of Defense, delivering critical maintenance dredging services at naval submarine bases and joint military installations along the Southeastern coastline. Their work supports operational readiness by ensuring deep-draft access for naval vessels, often in constrained or ecologically sensitive zones requiring strict adherence to environmental mitigation plans. Additional engagements with the U.S. Army Corps of Engineers’ Savannah District further underscore their role in sustaining federal navigation infrastructure. Their primary industry focus is under NAICS 237990—Other Heavy and Civil Engineering Construction—where they deliver niche, mission-critical dredging solutions within the maritime defense and civil works sectors. They are not broadly diversified across general construction but are deeply specialized in hydraulic infrastructure maintenance, positioning them as a trusted provider for agencies requiring precision, regulatory compliance, and operational continuity in coastal engineering. Southern Dredging Co Inc is a small business entity headquartered in Charleston, South Carolina, with a geographically concentrated presence along the Atlantic seaboard. The company holds no federal certifications but leverages its regional expertise, local workforce, and established logistical networks to deliver responsive, high-quality dredging services tailored to federal agency requirements in the Southeastern U.S. market.

Key Performance Metrics

Awards Count

0

All time

Active

0

Currently performing

Completed

0

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$367.6M97.4%
W074 Endist Savannah$4.1M1.1%
W074 Endist Charleston$3.6M1%
Department Of Homeland Security$2.2M0.6%
Awards by NAICS
237990 - Other Heavy and Civil Engineering Construction$353.3M93.6%
- Unknown NAICS$14.5M3.8%
234990 - Unknown NAICS$5.0M1.3%
237310 - Highway, Street, and Bridge Construction$4.6M1.2%
Awards by Agency Over Time
Export
Awards by Place of Performance

Open opportunities in SOUTHERN DREDGING CO INC's top NAICS codes and agencies

NAICS: 237990
New
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

1 day ago

DEADLINE

in 13 days
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NAICS: 237990
New
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

1 day ago

DEADLINE

in about 1 month
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NAICS: 237990
New
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

1 day ago

DEADLINE

in 9 days
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