Sevenson Environmental Services Inc.

Sevenson Environmental Services, Inc. is a U.S. environmental contractor specializing in remedial construction and environmental dredging. Founded as a general contractor in 1917, the company entered environmental cleanup in 1979, when it was selected as the principal contractor for remediation at the Love Canal Superfund site in Niagara Falls, New York. Sevenson provides cleanup services for sites and facilities contaminated by hazardous materials, working on complex projects nationwide and addressing design, construction, and regulatory challenges.

Its services include excavation and earthwork, solidification and stabilization, manufactured gas plant and residential remediation, and decontamination and demolition. Environmental dredging capabilities include dredging, dewatering and sediment processing, sediment capping, habitat restoration, and water treatment systems. The company also offers in-situ treatment, design-build services, treatability studies and laboratory services, constructability reviews, and industrial services. Sevenson works with federal programs and agencies, including the U.S. Army Corps of Engineers, the U.S. Environmental Protection Agency, the Navy, and the Department of Energy. Its approach emphasizes safety, quality, efficient project delivery, and restoring contaminated sites to productive use.