ATREFFEISEN

We have design-build capability with negotiated contracts to competitive bid plan-spec work. Some of our clients include the Ioxus, Suny Oneonta, NYC DEP, NYS OGS, Hartwick College, Brooks BBQ, National Baseball Hall of Fame, Kraft Foods, DMV International, Covidien, Unison, Brewery Ommegang, Amphenol Aerospace, A.O. Fox Hospital, Oneonta CSD, Roxbury CSD, Stamford CSD, Charlotte Valley CSD, Unatego CSD, Franklin CSD, Milford CSD, Cooperstown CSD, DMCO BOCES, City of Oneonta and many more.