Why do private companies and public agencies choose Sevenson?



Technical Capability

Sevenson provides a comprehensive range of civil and marine construction services for remediating sites contaminated by hazardous material.

Industry and Customer Recognition

Consistently ranked among the top 10 “All-Environmental Firms” in Engineering News-Record’s annual survey; praised by customers for excellent safety and performance.

Contracting Know-How

Sevenson delivers best-in-class services to customers; incorporates innovative civil and marine construction techniques on complex and challenging sites.

Strong Project Management

Recognized for completing projects on or ahead of schedule and within budget.

Senior Management

Generations of experience; industry-wide respect for field expertise.


Successfully completed more than 1,500 environmental remediation and contaminated sediment dredging projects in the U.S. and Canada, with a combined value over $5.5 billion, including projects at 143 Superfund Sites.


Sevenson promotes a culture of wellbeing in which safety is the
first priority on every project.

Insurance and Bonding

Complete coverages.

Rooted in Remedial Construction
Expanded into Environmental Dredging

Start a conversation about your upcoming project
(716) 284 - 0431

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2749 Lockport Road | Niagara Falls, NY 14305
P: (716) 284 - 0431 | F: (716) 284 - 7645