Consistently Meeting project schedules, costs, and regulatory requirements

Addressing difficult design and construction issues
on complex environmental projects

We 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

Health & Safety is our primary concern at Sevenson

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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