News and Events

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Reputable Companies Join Terracon

Terracon welcomes three engineering companies to our operations – Dunkelberger Engineering and Testing, Liesch Associates, and New England EnviroStrategies. The acquisitions allow the company to further expand its service offerings and geographic presence to clients. All three companies will retain their names and employees, but will operate as part of Terracon.

Dunkelbergerlogopms350w-tagFINALFounded in 1994, Dunkelberger Engineering and Testing is headquartered in West Palm Beach, Florida. With more than 60 employees, Dunkelberger has three offices located in Fort Lauderdale, Port St. Lucie, and Sarasota. They provide geotechnical engineering, materials and inspection, environmental assessments, and building inspection services

Liesch-logo w tagLiesch Associates, with roots back to 1968, is based in Minneapolis, Minnesota. They have 50 employees and an office in St. Paul. Liesch provides a full range of environmental services including industrial hygiene, industrial water and wastewater, air quality, acquisition due diligence, environmental compliance, environmental engineering, solid waste, and Brownfields services.



NEESNew England EnviroStrategies was founded in 2007 and was based in Concord, New Hampshire. Terracon retained all of New England EnviroStrategies’ employees, all of whom are now based in Terracon’s Manchester, New Hampshire, office to expand environmental services throughout the northeast.