Troy Waste Manufacturing Company Building, also known as the McCarthy Building, is a historic textile factory located at Troy, Rensselaer County, New York. It was built about 1908, and is a five-story, triangular shaped brick building with a flat roof and high basement. It features a tall square stair tower, formal entranceway, and Classical Revival style terra cotta ornamentation. It was listed on the National Register of Historic Places in 2014.