Penn Racquet Sports, Inc. is a subsidiary of Head N.V. that manufactures tennis balls and racquetballs.

[1] Penn was acquired by Head N.V. in 1999 and is currently headquartered in Phoenix, Arizona.

[2] In 1910, Penn began manufacturing tennis balls in Jeannette, Pennsylvania.

In 1960, Penn invents a more durable felt cover for the tennis ball by weaving New Zealand wool and artificial fibers together.

In 1968, Penn makes the first fluorescent green tennis ball.