O'Reilly, Talbot & Okun (OTO) is a full service environmental,
safety, health and geotechnical engineering firm.

Started in 1994 by the three principals, the firm now has a full-time staff of 25 with offices in Springfield and Westborough, Massachusetts, as well as Manchester, Connecticut. We have an impressive client list that includes businesses, government and institutions from around New England.

News and Publications
April, 2008: OTO received a Green Award for their work on the new Worcester Court House project.
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September, 2007: Bruce Nickelsen of OTO discusses the dangers of oil tanks in basements and backyards - undetected leaks contaminate soil and groundwater areas.
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