This article is from the Piano General Topics FAQ, by Isako Hoshino email@example.com with numerous contributions by others.
The home office of the Piano Technicians Guild (PTG) is
located in Kansas City, MO, and apparently keep the usual 9-5
business hours. Here are some methods to contact them. The
PTG's www home page has many interesting and useful
information. I highly recommend you to go check it out, if
you haven't done so yet!
Kansas City, MO 64111
tel: (816) 753-7747