Backyard Bocce
Provides portable bocce courts and ball sets. Also includes history of the sport and court specifications.
http://www.backyardbocce.com

Boccemon
Sell bocce supplies. Also provides information about bulk oyster blend for surfacing, and a kit and instructional video to build a court.
http://www.boccemon.com

GoBocce, Inc.
Sells bocce sets including miniature size, foam, and billiard ball sized. Also lists clubs in USA.
http://www.gobocce.com/