Dyno-Thane

Ebonite International is a parent company that oversees the manufacture of bowling balls and bowling equipment. Their headquarters and primary manufacturing facility is located in Hopkinsville, Kentucky.

In addition to Ebonite-branded bowling balls, Ebonite International has also owned the Hammer-branded line of balls since 2002. In February 2007, Ebonite announced that it had acquired one of the industry's leading manufacturers, Columbia Industries. Since the acquisition, they have produced that company's signature Columbia 300 line of balls. That acquisition also resulted in Ebonite gaining control of Dynothane Inc., which produced the Dyno-Thane brand, and Track International, which produces the popular line of Track bowling balls. Dynothane and Track had been owned by Columbia, and were transferred to Ebonite when the latter purchased the former.

Ebonite markets bowling balls and other ten-pin bowling equipment under several brand names:

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