this is off their web site! Today, Grover Pro Percussion operates in an efficient manufacturing facility located just north of Boston at the corner of Rt. 93 and Rt. 128 in Woburn, Massachusetts. The company employs a highly dedicated team percussion specialists, production experts, and seasoned business managers. Despite his busy schedule, Neil Grover serves as President/CEO. For over 30 years, Grover Pro's products have been in strong demand and can be found in virtually every corner of the world, from Alaska to Australia, California to Russia, and everywhere in between! they had a test on their drum kit in either Modern Drummer or Drum Magazine a coup;e years back, I think they use keller shells for the kits, but the build their High end solid maple snare drum shells themselves!