Manson Construction Co
Manson Construction Co is a for-profit subchapter S corporation specializing in dredging, marine construction, and infrastructure projects for federal agencies. Registered with SAM.gov since 2001, the company provides a wide range of services including maintenance dredging of harbors and waterways, construction and repair of marine facilities, and environmental remediation projects. Manson operates a fleet of specialized marine equipment including hydraulic dredges, clamshell dredges, and marine construction vessels to support its diverse portfolio of federal contracts. The company has extensive experience as a prime contractor for the U.S. Army Corps of Engineers, Department of the Navy, and other federal entities.
Manson Construction Co's federal contract awards encompass a variety of marine construction and dredging projects. Recent prime contract awards include a $28.5 million project for West Coast Hopper Maintenance Dredging, a $35.5 million contract for dredging along the Mississippi River, and a $107 million award for constructing a floating dry dock mooring facility in San Diego. The company also performs maintenance dredging for numerous harbors and channels, including projects in Mobile, Pensacola, Oakland, and Anchorage. Manson frequently partners with subcontractors for specialized services such as endangered species monitoring, surveying, and equipment rentals. While most contracts are unrestricted, Manson occasionally works with small disadvantaged businesses and woman-owned small businesses as subcontractors. Primary funding agencies include the U.S. Army Corps of Engineers, Naval Facilities Engineering Command, and occasionally civilian agencies like NOAA and the National Park Service.
Manson Construction Co holds several significant Indefinite Delivery Contracts (IDCs) with federal agencies. A $49 million single-award IDC with the Army Corps of Engineers covers rental of dredging equipment for projects in Alabama, Mississippi, and Florida. Another $20 million single-award IDC provides similar services in the same region. Manson is also part of multiple-award IDCs, including a $995 million vehicle for waterfront construction in Hawaii and Wake Island, and a $750 million Waterfront MACC IV contract for the Navy in San Diego. These IDCs allow agencies to issue task orders for a wide range of marine construction and dredging services, from routine maintenance to large-scale infrastructure projects. The company also participates in rapid response dredging contracts, such as a $45 million multiple-award IDC for emergency dredging along the Texas Gulf Coast. These contract vehicles demonstrate Manson's capacity to provide comprehensive marine construction services across multiple regions for both defense and civilian agencies.
UJGKNVYG6UZ3 237990
Not listed 5209 E Marginal Way S, Seattle, WA 98134, USA
5/22/01 1/23/26 The Dutra Group
The Dutra Group, doing business as Dutra Dredging, is a leading marine construction company specializing in dredging and waterfront construction services for the U.S. federal government. Registered to receive federal awards since 2003, The Dutra Group provides a wide range of dredging services, including maintenance dredging of harbors, channels, and waterways, as well as beach renourishment and shore protection projects. The company utilizes various types of dredging equipment, including hopper dredges, hydraulic cutterhead dredges, and mechanical dredges, to maintain navigable depths in critical maritime infrastructure across the United States.
The Dutra Group has been awarded numerous prime contracts by the U.S. Army Corps of Engineers for dredging projects in locations such as the Pascagoula Harbor, Mobile Harbor, Wilmington Harbor, Oakland Harbor, and the Mississippi River. These contracts typically involve removing shoaled material to maintain authorized depths for navigation, often ranging from 30 to 50 feet. The company has also performed work at military installations, such as the Military Ocean Terminal Sunny Point and Patrick Space Force Base. While most contracts are awarded without set-aside designations, The Dutra Group occasionally subcontracts with firms for services like surveying, equipment rentals, and fuel supply. The company has also received subcontracts from other prime contractors for dredging services, demonstrating its expertise in the field. Funding agencies for these contracts primarily include the U.S. Army Corps of Engineers and the Department of the Navy.
The Dutra Group holds several significant Indefinite Delivery Contracts (IDCs) with federal agencies. These include a $995 million multiple-award construction contract with the Department of the Navy for waterfront facilities in Hawaii and Wake Island, running from 2022 to 2027. The company also holds a $240 million Waterfront Multiple Award Construction Contract with the Naval Facilities Engineering Command, covering work primarily in the Navy's Northwest region. Additionally, The Dutra Group is part of the $750 million Waterfront MACC IV program, supporting waterfront projects across several western states. With the U.S. Army Corps of Engineers, the company has IDCs for dredging services in the Southeast region and the Galveston District, with ceiling values of $15 million and $25 million respectively. These IDVs allow federal agencies to efficiently secure The Dutra Group's services for a wide range of dredging and waterfront construction projects, including new construction, repairs, and maintenance of piers, wharves, waterfront facilities, bridges, and utilities across the country.
W4QFVREA5A24 237990
Not listed 2350 Kerner Blvd #200, San Rafael, CA 94901, USA
7/23/03 4/30/25 Weeks Marine, Inc.
Weeks Marine, Inc., doing business as Weeks Marine Inc., is a major marine construction and dredging company that provides extensive services to the U.S. federal government. The company specializes in dredging, beach nourishment, coastal protection, and marine infrastructure projects for various government agencies, particularly the U.S. Army Corps of Engineers. Weeks Marine is a subsidiary of Peter Kiewit Sons Inc., a large construction firm, and has been registered to receive federal awards since 2001. With its fleet of specialized vessels and equipment, the company plays a crucial role in maintaining navigable waterways, protecting coastlines, and supporting maritime infrastructure across the United States.
Weeks Marine has been awarded numerous prime contracts for a wide range of projects. These include maintenance dredging of harbors, channels, and rivers; beach renourishment and coastal storm risk management; and construction of marine structures. The company has performed work in locations spanning from New York to Florida, along the Gulf Coast, and in Puerto Rico. Major funding agencies include the U.S. Army Corps of Engineers, the Department of the Navy, and the National Oceanic and Atmospheric Administration. Contract values have ranged from several million to over $100 million for individual projects. Notable examples include a $144.9 million contract for dredging the Savannah Inner Harbor, a $120.8 million contract for marsh creation in Louisiana, and a $96.8 million contract for beach erosion control in New Jersey. Weeks Marine often subcontracts with smaller companies for specialized services such as towing, environmental monitoring, and equipment rental. The company's contracts are typically awarded without set-aside designations, reflecting its status as a large business.
Weeks Marine holds several indefinite delivery/indefinite quantity (IDIQ) contracts that allow for streamlined task order awards. These include a $49.5 million multiple-award contract for dredging services through September 2027, awarded by the U.S. Army Corps of Engineers. The company also holds a $24 million single-award contract for dredging navigation projects in Alabama, Mississippi, and Florida, and a $28.75 million single-award contract for cutterhead dredging services within the New Orleans District. Additionally, Weeks Marine is part of a $45 million multiple-award contract for rapid response pipeline dredging along the Texas Gulf Coast, and a $25 million multiple-award contract for rapid response hopper dredging and shore protection projects in the Galveston District. These IDIQ contracts enable the Army Corps of Engineers to quickly mobilize Weeks Marine's resources for urgent dredging needs, maintenance of navigation channels, and coastal protection projects across multiple regions.
ED3FZHBD52V3 237990
Not listed 304 Gaille Dr, Covington, LA 70433, USA
12/11/01 2/26/25 Great Lakes Dredge & Dock Co, LLC
Great Lakes Dredge & Dock Co, LLC is a leading provider of dredging and marine construction services to federal, state, and commercial clients in the United States. As a subsidiary of Great Lakes Dredge & Dock Corporation, the company specializes in capital, maintenance, and coastal protection dredging projects, primarily for the U.S. Army Corps of Engineers. Their core services include deepening and maintaining navigation channels, beach nourishment, land reclamation, environmental restoration, and contaminated sediment remediation. Great Lakes Dredge & Dock Co, LLC operates an extensive fleet of specialized marine equipment, including hopper dredges, cutter suction dredges, drill boats, and support vessels, enabling them to undertake a wide range of complex marine construction projects across the country.
The majority of Great Lakes Dredge & Dock Co, LLC's federal contract awards come from the U.S. Army Corps of Engineers for dredging and coastal protection projects across various districts. These projects include maintenance dredging of harbors, channels, and waterways; beach nourishment and coastal storm risk management; and environmental restoration. Specific examples of their work include dredging the Freeport Harbor Channel in Texas, maintenance of the Kings Bay Entrance Channel in Georgia and Florida, beach renourishment in New Jersey, and maintenance dredging in the Mississippi River. The company has also performed work for the Naval Submarine Base Kings Bay and various other ports and harbors along the East Coast, Gulf Coast, and Great Lakes. Most contracts awarded to Great Lakes Dredge & Dock Co, LLC are without set-aside designations, reflecting their position as a large, specialized contractor in the dredging industry. In addition to their prime contract work, they have also served as a subcontractor on projects such as dredging material from the Missouri River for AECOM Technical Services, Inc.
Great Lakes Dredge & Dock Co, LLC holds several significant indefinite delivery/indefinite quantity (IDIQ) contracts with the U.S. Army Corps of Engineers. These include a $98 million single-award contract for hopper dredging services in Freeport Harbor, Texas; a $49.5 million multiple-award contract for cutterhead pipeline dredging in the Vicksburg District; and a $59.1 million single-award contract for dredging along the McClellan-Kerr Arkansas River Navigation System. The company also holds a $29.5 million single-award contract for dredging services to maintain navigable waterways, primarily in harbors along the Mississippi River. Additionally, Great Lakes Dredge & Dock Co, LLC is part of multiple-award IDIQ contracts, including the Galveston District Rapid Response Pipeline Dredging contract with a ceiling of $45 million. These IDIQ contracts demonstrate the company's broad capabilities in providing dredging services across various regions and project types for the U.S. Army Corps of Engineers, supporting the agency's mission to maintain navigable waterways and coastal protection structures throughout the United States.
M9LFLA6K8HE4 237990
Not listed 9811 Katy Fwy Suite 1200, Houston, TX 77024, USA
11/9/07 6/7/25