King Co Inc.
King Co Inc. is a for-profit marine construction and dredging company headquartered in Holland, Michigan, that has been registered to receive federal awards since February 2002. The company specializes in hydraulic dredging, sediment and debris removal, and related waterway maintenance services essential to sustaining navigable channels across the Great Lakes region and the Illinois Waterway system. King Co Inc. operates as a self-performing prime contractor that self-executes its dredging work without reliance on subcontractors, and has established itself as a key federal contractor supporting the U.S. Army Corps of Engineers' critical infrastructure maintenance mission.
King Co Inc. has received numerous federal contract awards from the U.S. Army Corps of Engineers for maintenance dredging projects, demonstrating consistent work across multiple Great Lakes harbors and inland waterway systems. The company's contract awards span from 2021 through 2025 and include both definitive contracts and delivery orders, with individual contract values ranging from approximately $358,000 to $2.4 million. Specific projects include maintenance dredging at Grand Haven Harbor, Holland Harbor, Muskegon Harbor, Manistee Harbor, Arcadia Harbor, New Buffalo Harbor, Michigan City Harbor, Kenosha Harbor, Burns Harbor, Green Bay Harbor, and various locations along the Illinois Waterway including Senate Island, Clark Island, and Mackinaw River dredge cuts. The majority of King Co Inc.'s awards have been designated as total small business set-asides, reflecting its status as a qualified small business contractor, though some delivery orders have been issued without set-aside designations. All funding for these contracts has been provided by the U.S. Army Corps of Engineers, either the Detroit District or St. Louis District, supporting the agency's core mission of maintaining proper water depths for commercial and recreational maritime traffic.
King Co Inc. holds three significant Indefinite Delivery Contracts with the U.S. Army Corps of Engineers that form the foundation of its federal contracting relationship. The first is a $25 million single-award Indefinite Delivery Contract for inland waterway hydraulic dredging services, primarily focused on the Illinois Waterway system, with a completion date of December 31, 2025, designated as a total small business set-aside. The second is a $130 million Great Lakes Dredging Multiple Award Task Order Contract (MATOC) awarded in February 2021 with a completion date of February 2, 2025, also designated as a total small business set-aside, which covers dredging, debris removal, and related services across the Great Lakes region. The third is a newly awarded $50 million Multiple Award Task Order Contract (MATOC) from the U.S. Army Corps of Engineers St. Louis District, awarded in September 2025 with a completion date of September 7, 2030, designated as a total small business set-aside that procures comprehensive operations and maintenance dredging services across the St. Louis District Area of Responsibility, encompassing various tributaries, rivers, and reservoirs in Illinois and Missouri. Under these IDVs, King Co Inc. has received numerous task orders ranging from approximately $300,000 to $2.4 million, with individual task order values under the St. Louis District MATOC anticipated to range from $20,000 to $15 million depending on available funding and project requirements.
DMAGZLJSHGQ1 237990
Not listed 13520 Barry St, Holland, MI 49424, USA
2/13/02 12/29/26 Jackson D Summers
Jackson D Summers, doing business as Envirotech, is a sole proprietorship based in Missouri Valley, Iowa, that specializes in environmental and land management services for the federal government. The company is registered in SAM.gov as a minority-owned business, self-certified small disadvantaged business, and Native American-owned enterprise. Envirotech has established itself as a reliable provider of waterway maintenance and restoration services, with a concentrated focus on supporting the U.S. Army Corps of Engineers' Civil Works program across the Midwest region.
Envirotech's federal contract portfolio demonstrates extensive experience in dredging operations and related environmental services. The company has received numerous delivery orders and purchase orders from the U.S. Army Corps of Engineers, with contract values ranging from $13,000 to over $1 million. Specific services provided include dredging operations on the Kaskaskia River, Mississippi River, and Illinois River; oxbow dredging projects; environmental dredging at Carlyle Lake and surrounding waterways; forestry mowing and maintenance; agricultural and invasive species spraying; fish stocking in lakes; and pump supply and installation. The majority of these contracts were awarded without set-aside designations, though several purchase orders received total or partial small business set-aside designations. All prime federal contract awards have been funded by the U.S. Army Corps of Engineers, with no identified subcontractors on the reviewed contracts. The company's work has been concentrated in Illinois and Missouri, particularly around the Carlyle Lake area and various points along the Kaskaskia River system.
Envirotech currently holds a significant Multiple Award Indefinite Delivery/Indefinite Quantity (IDIQ) contract with the U.S. Army Corps of Engineers, St. Louis District, awarded on September 8, 2025, with a ceiling value of $50 million and a completion date of September 7, 2030. This Total Small Business set-aside contract procures comprehensive operations and maintenance dredging services across the St. Louis District Area of Responsibility, encompassing tributaries, rivers, and reservoirs in Illinois and Missouri, including the Kaskaskia River, Mississippi River, Illinois River, Carlyle Lake, Rend Lake, Lake Shelbyville, Wappapello Lake, and Mark Twain Lake. Under this MATOC arrangement, Envirotech provides dredging operations, borrow operations, disposal operations, disposal site management, water care, and turfing services, with anticipated individual task orders ranging from approximately $20,000 to $15 million depending on available funding. The contract is classified under NAICS code 237990 (Other Heavy and Civil Engineering Construction) and PSC code Z1QA (Maintenance and Restoration of Real Property), positioning the company to execute varied maintenance and restoration projects across multiple waterway systems within the district.
JFFTVZGUJAS4 237990
Not listed 2438 315th St, Missouri Valley, IA 51555, USA
2/28/02 6/23/26 Viking Dredging, LLC
Viking Dredging, LLC, based in Houston, Texas, is a for-profit corporate entity specializing in dredging and marine construction services for the federal government. Registered in SAM.gov since May 2022, the company provides comprehensive dredging operations and environmental support services primarily to the U.S. Army Corps of Engineers across multiple waterways and reservoirs.
Viking Dredging has demonstrated its expertise through a subcontract award and an active prime contract with the U.S. Army Corps of Engineers. In November 2022, the company served as a subcontractor to Orion Marine Construction, Inc. on the Port Isabel Section 19 Small Boat Harbor dredging project, showcasing its capability to execute specialized dredging work. Most recently, in September 2025, Viking Dredging received a delivery order from the U.S. Army Corps of Engineers with a ceiling value of $500, representing a minimum guarantee task order under a competitive procurement vehicle. These awards demonstrate the company's capacity to perform dredging operations and related services under federal contract terms.
Viking Dredging currently holds a significant Multiple Award Task Order Contract Indefinite Delivery/Indefinite Quantity (MATOC IDIQ) awarded by the U.S. Army Corps of Engineers, St. Louis District on September 8, 2025. This contract carries a $50,000,000 ceiling value and extends through September 7, 2030, with individual task orders valued between approximately $20,000 and $15,000,000. The contract operates under a Total Small Business set-aside designation and covers operations and maintenance dredging services across the St. Louis District Area of Responsibility, including the Kaskaskia River, Mississippi River, Illinois River, and multiple reservoirs in Illinois and Missouri such as Carlyle Lake, Rend Lake, Lake Shelbyville, Wappapello Lake, and Mark Twain Lake. Under this IDIQ, Viking Dredging provides comprehensive dredging and environmental support services encompassing dredging operations, borrow operations, disposal operations, disposal site management, water care, and turfing activities, with the contractor responsible for furnishing all necessary equipment, labor, supervision, materials, and transportation to execute assigned task orders in support of the Corps' navigation channel maintenance and water resource management objectives.
WE9KMFNC7BE8 237990
Not listed 910 Judiway St, Houston, TX 77018, USA
5/27/22 11/21/26 Ahtna-Brennan JV, LLC
Ahtna-Brennan JV, LLC is an Alaska Native Corporation-owned and tribally-owned joint venture headquartered in Irvine, California, that specializes in providing construction and dredging services to the federal government. Registered in SAM.gov since July 2023, the firm holds SBA Certified 8(a) Joint Venture status and is designated as a minority-owned and small disadvantaged business. The company primarily serves federal agencies requiring specialized infrastructure construction, remedial action services, and water resource management expertise.
The firm's recent federal contract portfolio demonstrates substantial expertise in environmental remediation and water infrastructure projects. Ahtna-Brennan JV, LLC was awarded a $22,020,049.62 firm-fixed-price definitive contract by the U.S. Environmental Protection Agency Region 5 in June 2025 for the Lower Rouge River Old Channel Phase II Remedial Action Construction project, with completion targeted for August 31, 2026. The company also holds a $20,485,346.46 definitive contract from the U.S. Army Corps of Engineers, awarded in September 2023, for the Brandon Road Lock and Dam Tainter Gate and Pier Replacement project along the Illinois River system, scheduled for completion in September 2028. Both of these prime contracts reflect the firm's capability to execute large-scale, complex infrastructure projects involving construction, environmental remediation, and water management systems for federal agencies.
Ahtna-Brennan JV, LLC holds a significant Multiple Award Indefinite Delivery/Indefinite Quantity (IDIQ) contract awarded by the U.S. Army Corps of Engineers, St. Louis District on September 8, 2025. This Total Small Business set-aside contract has a $50,000,000 ceiling and extends through September 7, 2030, with individual task orders anticipated to range from approximately $20,000 to $15,000,000. The contract procures comprehensive dredging operations and maintenance services across the St. Louis District Area of Responsibility, covering multiple water resources including the Kaskaskia River, Mississippi River, Illinois River, Carlyle Lake, Rend Lake, Lake Shelbyville, Wappapello Lake, and Mark Twain Lake in Illinois and Missouri. Under this IDV, Ahtna-Brennan JV, LLC provides dredging operations, borrow operations, disposal operations, disposal site management, water care, and site turfing services, with all necessary equipment, labor, supervision, and materials supplied by the contractor.
CEEEXXD9B355 237990
Not listed 3200 El Camino Real #240, Irvine, CA 92602, USA
7/13/23 9/2/26 Dubuque Barge And Fleeting Service Co
Dubuque Barge And Fleeting Service Co, doing business as Newt Marine Service, is a small business prime contractor based in Dubuque, Iowa, that specializes in marine construction and transportation services for federal agencies. The company has been registered in SAM.gov since February 2002 and maintains a substantial portfolio of federal contract awards, primarily with the U.S. Army Corps of Engineers. Newt Marine Service provides critical infrastructure support to the federal government through specialized expertise in waterway management, mechanical dredging, structural repairs, navigation support, and ecosystem restoration across Midwestern river systems, particularly along the Mississippi, Missouri, and Illinois River corridors.
Through its prime federal contract awards, Newt Marine Service has demonstrated extensive capabilities across a diverse range of waterway infrastructure projects. The company has received firm fixed-price contracts and delivery orders from the U.S. Army Corps of Engineers for major initiatives including drydock repairs of USACE barges valued at $697,436, the Garrison Spillway Approach Dredge project in North Dakota totaling $24.8 million, Lock and Dam construction and modification work at multiple locations with values exceeding $10 million, and dredging operations at Lake Shelbyville valued at $7.84 million. Additional significant contract work includes the Mississippi River Basin and Ecosystem Sustainability Program projects, habitat rehabilitation and enhancement projects, bank stabilization and revetment construction along the Missouri River, and ecosystem restoration initiatives such as island construction and floodplain forest development. The company has also received awards from the U.S. Bureau of Reclamation for barge and captain services supporting the Glen Canyon Slough project in Arizona. The majority of these contracts are structured as small business set-asides, reflecting Newt Marine Service's status as a qualified small business contractor. Work encompasses mechanical dredging, stone placement and riprap installation, navigation structure repair, bank stabilization through revetment and dike construction, cofferdams and dewatering systems, concrete work, demolition services, and environmental restoration activities. Contract values have ranged from nominal minimum guarantee delivery orders of $500 to $3,000 to major definitive contracts exceeding $24 million, with completion dates extending through 2030, demonstrating the company's capacity to execute complex, long-term infrastructure projects.
Newt Marine Service maintains a robust portfolio of indefinite delivery contracts with the U.S. Army Corps of Engineers that provide significant contracting vehicles for ongoing waterway maintenance and restoration work. The company holds a $99.5 million multiple-award Indefinite Delivery Contract for Missouri River Bank Stabilization and Navigation Program services between river miles 0-500, extending through September 2026, which supports stone placement, revetment repair, and navigation structure maintenance. Additionally, Newt Marine Service was recently awarded a $50 million multiple-award IDIQ contract by the U.S. Army Corps of Engineers St. Louis District for operations and maintenance dredging services across the St. Louis District Area of Responsibility, including the Kaskaskia River, Mississippi River, Illinois River, and multiple reservoirs, effective through September 2030. The company also holds a $49 million single-award contract for Illinois River Basin mechanical dredging through December 2028, and a $49 million multiple-award indefinite delivery contract for Missouri River Bank Stabilization and Navigation Program services on a time and materials basis through July 2028. Recently awarded in September 2025, the company received a $7 million multiple-award Basic Ordering Agreement for vessel repair and maintenance services extending through September 2030, and a $49 million multiple-award contract for Bank Stabilization and Navigation Project maintenance along the Missouri River through August 2030. These indefinite delivery vehicles are all set aside for small business competition and enable the Corps of Engineers to issue task orders for discrete maintenance requirements, dredging operations, construction services, and infrastructure repairs without requiring separate competitive solicitations for each project. The collective value of Newt Marine Service's active indefinite delivery contracts exceeds $300 million, positioning the company as a strategic partner for the Corps' ongoing waterway management, navigation infrastructure maintenance, and ecosystem restoration missions across the Midwestern river basin system.
L9NNGHXPV7N6 237990
Not listed 5 Jones St #2, Dubuque, IA 52001, USA
2/13/02 6/16/26