Wm. J. Donovan Co., based in Philadelphia, designs, fabricates, and installs sheet metal and systems for the heating, ventilation, and air conditioning and related industries. Its specialty products include ventilated dump bins, slot hoods, swing arm hoods, tablet feed chutes, drum dump bins, and glatt bowl hoods. Members of the company are active in the Sheet Metal and Air Conditioning Contractors National Association and its local chapter, the National Environmental Balancing Bureau. They are also active in the Mid Atlantic Environmental Balancing Association, the National Association of Women in Construction, the American Welding Society, the American Society of Heating, Refrigerating, and Air Conditioning, and Sheet Metal Workers' Local Union #19.
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