Consistently Meeting
Project Schedules,
Costs, and Regulatory
Requirements
Paul C. Thomson
1948-2022
The Sevenson family is deeply saddened by the passing of Paul Thomson. Affectionately known as PT, he joined Sevenson June 11, 1979 as an Estimator and Project Manager rising to become Vice President of Operations. He was an instrumental figure in the growth of the company while working closely with owners and engineers throughout the country to develop effective solutions to challenging remedial construction field conditions. PT worked on several visible Superfund sites including the Love Canal, Niagara Falls, NY; Velsicol Chemical, St. Louis, MI; and Diamond Alkali Superfund Site, Newark, NJ.
Addressing difficult design and construction issues on complex environmental projects
We are an ENR Top Environmental Firm
| YEAR | TOP 200 ENVIRONMENTAL RANKING | TOP 400 HAZARDOUS WASTE RANKING |
|---|---|---|
| 2023 | 61 | 4 |
| 2022 | 54 | 3 |
| 2021 | 56 | 4 |
| 2020 | 66 | 5 |
| 2019 | 57 | 4 |
| 2018 | 56 | 4 |
| 2017 | 54 | 5 |
| 2016 | 63 | 8 |
| 2015 | 51 | 14 |
| 2014 | 46 | 14 |
| 2013 | 42 | 14 |
| 2012 | 42 | 14 |
| 2011 | 30 | 8 |
| 2010 | 38 | 12 |
| 2009 | 36 | 13 |
| 2008 | 40 | N/A |
| 2007 | 38 | 13 |
| 2006 | 38 | N/A |
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.
Sevenson Timeline
Since 1979, Sevenson has been an industry leader in environmental remediation services.
Health & Safety is our primary concern at Sevenson
We have successfully developed and implemented site specific health and safety plans since 1979. With a staff that includes 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.
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
Rooted in Remedial Construction
Expanded into Environmental Dredging
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Ottawa, Illinois
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De Soto, Kansas
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
