Great Lakes Dredge & Dock Corp.

Great Lakes Dredge & Dock Corp.

Great Lakes Dredge & Dock Corp.

Date Founded



2122 York Road, Oak Brook, IL, 60523, USA

Type of Company


Employees (Worldwide)



Engineering, Construction & Architecture
Alternative Energy
Consumer Services
Waste Management & Recycling
Power & Utilities

Company Description

Great Lakes Dredge & Dock Corp. provides dredging services. It operates through the following segments: Dredging and Environmental and Infrastructure. The Dredging segment engages in the enhancement or preservation of navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand or rock. The environmental and infrastructure segment provides construction services on soil, water and sediment for clients in both the public and private sectors. The company was founded by William A. Lydon and Frederick C. Drews in 1890 and is headquartered in Oak Brook, IL.

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Executives & Employees

President, Chief Executive Officer & Director

Senior Vice President, Chief Financial Officer & Principal Accounting Officer

Chief Operating Officer

Vice President & Chief Compliance Officer

Senior Vice President, Chief Legal Officer & Corporate Secretary

Treasurer, Vice President & Controller

Director of Planning & Development

Senior Vice President, Business Development

Senior Vice President-Estimating

Senior Vice President-Corporate IIF & Northern Area Manager

Board of Directors

Chief Executive Officer at Diamond Offshore Co.

Chief Executive Officer at Turtle & Hughes, Inc.

Former Chemist, Research Specialist & Product Manager at Monsanto Co.

Former Chief Financial Officer & Executive Vice President at Fluor Corporation

Former Partner at KPMG LLP

President, Chief Executive Officer & Director at Great Lakes Dredge & Dock Corp.

Founder at Privet Fund Management LLC

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Owners & Shareholders
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ACM builds small situation portfolios of great companies. The firm believes these companies have excellent growth opportunities over the long-term. They seek opportunities not only for growth, but to invest in durable businesses that demonstrate the strength in management, focus, and industry leadership to be great companies.

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NPIC sources ideas for their investment strategies through internal discussion, macroeconomic analysis of the economy, technical and fundamental market analysis, quantitative analysis using proprietary and third party models and continuous evaluation of securities available for purchase and sale. Their sector, sub-sector and industry allocation decisions are based on fundamental bottom-up analysis.

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Encompass generally focuses on investments, both long and short, in the equity and equity-linked securities of companies in the US and abroad in energy and energy-related markets, including natural gas, crude and refined oil products, steel and other metals, chemicals, power, coal, alternative energy, engineering, construction and shipbuilding companies, railroads, airlines and the securities of other companies that are derivative of the energy sector, including industrials, materials, agriculture/food products, the automobile industry and other industries that the firm considers to be derivative of energy. The firm utilizes both fundamental top-down and bottom-up analysis in an attempt to develop a deep, fundamental view of individual companies and sectors.

Recent Transactions
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Great Lakes Dredge & Dock Corp. purchases Magnus Pacific Corporation

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Great Lakes Dredge & Dock Corp. raised money in a private placement transaction

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Great Lakes Dredge & Dock Corp. purchases Terra Contracting LLC

Insider Transactions
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Transaction Advisors

Advised onGreat Lakes Dredge & Dock Corp. issued USD Common Stock


Advised onGreat Lakes Dredge & Dock Corp. issued USD Common Stock


Advised onGreat Lakes Dredge & Dock Corp. issued USD Common Stock


Advised onGreat Lakes Dredge & Dock Corp. purchases Magnus Pacific Corporation


Advised onGreat Lakes Dredge & Dock Corp. purchases Magnus Pacific Corporation


Advised onGreat Lakes Dredge & Dock Corp. purchases Magnus Pacific Corporation


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Key Stats and Financials As of 2020
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Enterprise Value / Sales
Enterprise Value EBITDAOperating
TEVNet Income
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Political Donations
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Madison Dearborn Partners is an active manager invests in MBO and growth equity transactions. The sectors in which they invest include basic industries, business & government software and services, financial & transactions services, health care and telecom, media & technology services. The firm targets middle and upper-middle market companies located primarily in the United States. They acquire both control and minority positions.

Conrad Industries, Inc. Engineering, Construction & Architecture | Morgan City, LA

Conrad Industries, Inc. engages in the construction, repair, and conversion of steel and aluminum marine vessels for commercial and governmental customers. It operates through two segments: New Construction; and Repair & Conversions. The New Construction segment involves the building of a new vessel, often including engineering and design. The Repair and Conversions segment comprises of work on an existing vessel. Conrad Industries was founded by John Parker Conrad in 1948 and is headquartered in Morgan City, LA.

Jay Cashman, Inc. Engineering, Construction & Architecture - Quincy, MA

Jay Cashman, Inc. provides construction and contracting services. Its capabilities include heavy civil and marine construction, dredging, demolition and wind power. The company was founded in 1994 and is headquartered in Quincy, MA.

Weeks Marine, Inc. Recreation & Leisure - Cranford, NJ

Weeks Marine, Inc. operates as a marine construction, dredging, and tunneling organization. It undertakes various dredging projects, including harbor improvement, navigation, shore protection, specialty, reclamation, and flood control. Its operating divisions includes construction, dredging, McNally, and Healy Tibbits. The company was founded in 1919 and is headquartered in Cranford, NJ.

Manson Construction Co. Engineering, Construction & Architecture - Seattle, WA

Manson Construction Co. provides dredging and waterfront construction services. It offers heavy lift, levees, and marine construction services. Manson Construction was founded by Peter Manson in 1905 and is headquartered in Seattle, WA.

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