BATAVIA, N.Y.--(BUSINESS WIRE)--Graham Corporation (NYSE: GHM) (“GHM” or the “Company”), a global leader in the design and manufacture of mission critical fluid, power, heat transfer and vacuum technologies for the Defense, Energy & Process, and Space industries, today announced that Matthew J. Malone, President and Chief Executive Officer, and Christopher J. Thome, Vice President - Finance and CFO, will present at the Gabelli 31st Annual Aerospace & Defense Symposium in New York City o