Consistently Meeting project schedules, costs, and regulatory requirements

Discover Sevenson

Addressing difficult design and construction issues
on complex environmental projects

EnrWe are an ENR Top 200 Environmental Firm

YEAR TOP 200 COMPANIES RANKING TOP ALL-ENVIRONMENTAL FIRMS HAZARDOUS WASTE RANKING
2017 N/A N/A 5
2016 63 N/A N/A
2015 51 9 14
2014 46 9 14
2013 42 9 14
2012 42 8 14
2011 30 3 8
2010 38 7 12
2009 36 7 13
2008 40 7 N/A
2007 38 7 13
2006 38 9 N/A
2005 40 12 15
2004 39 12 12
2003 31 8 12

About Sevenson

Sevenson Environmental Services, Inc., provides a comprehensive range of remediation services for the cleanup of sites and facilities contaminated by hazardous materials. Sevenson was founded in 1977 as a general contractor, and entered the environmental cleanup business in 1979 after being selected as the principal contractor for remediation work at the Love Canal Superfund site in Niagara Falls, New York.
Our History

Sevenson Timeline

Since 1979, Sevenson has been an industry leader in environmental remediation services.
Our Growth

We have successfully developed and implemented site specific health and safety plans since 1979. With a full time staff of 30 full-time Health and Safety Officers that include CHST’s and OHST’s, our Site Safety and Health Officers average 14 years of service.

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Why do the best companies choose Sevenson?

"Dollar for dollar, pound for pound, this is the best cleanup (project) I have ever seen." - David Ullrich, Regional Administrator (retired)
USEPA, Region V, Chicago, IL

Testimonials

Rooted in Remedial Construction
Expanded into Environmental Dredging

Remedial ConstructionEnvironmental DredgingAdditional Services

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