For sculptures
MeadowWood Pedestals The only place I recommend for high quality pedestals.
Chester Granite Allen Williams can provide granite plinths, pillars and anything you can think of in stone.
Organizations
In the Berkshires
Jacob's Pillow Our summer home for dance!
Tanglewood Of course!
Ventfort Hall Museum and Gilded Age Mansion 104 Walker Street in Lenox!
Chesterwood Museum For sculpture lovers! Near the Rockwell
Norman Rockwell Museum Just 10 minutes away
Clark Art Institute A must see for art lovers!
The Mount Edith Wharton's estate
Berkshire Museum in Pittsfield
Mass Moca For Contemporary art
Other organizations
National Museum of Dance A museum dedicated to dance in
Saratoga Springs, NY, about an hour away
Pittsburgh Ballet Theatre A must see if you are in Pittsburgh
Ballet Kiel A great ballet company in Kiel, Germany
Hamburg Ballet A world renown company
SoldierOn Veterans organization
National Museum of Dance A museum dedicated to dance