McMillen Construction

McMillen Construction is a construction company in Mt. Vernon, IL, specializing in water-related infrastructure, natural resources, and dam projects. The company focuses on design and build solutions for dams, water control and delivery systems, water treatment, fish passage, hydropower, and dam removal or decommissioning. It serves clients across multiple states, including California, Oregon, Washington, Idaho, and Alaska, with a history of working on complex projects involving regulatory compliance, environmental assessments, and restoration. The company emphasizes long-term relationships, with 80% of its work coming from repeat clients, and operates as a fully employee-owned organization.

McMillen Construction offers a full range of services spanning the entire project lifecycle, from initial planning and feasibility studies to final design, construction, and program management. Its technical expertise includes structural, geotechnical, mechanical, and electrical engineering, as well as environmental and regulatory management, particularly in FERC licensing and compliance. The company performs self-performed construction and uses alternative delivery methods such as Design-Build, CM/GC, and EPC. It provides specialized services including dam safety evaluations, sediment management, hydraulic modeling, and post-removal monitoring, with a focus on restoring ecosystems and improving water quality.

The company is located on Goshen Meadows in Mt. Vernon, IL. It is not near any publicly listed landmarks, and no specific nearby roads or notable structures are referenced in the available data. The business operates from this address, serving clients across the western United States with a focus on sustainable and resilient water infrastructure.