Caterpillar® is a registered trademark of Caterpillar, Inc.
Clark®, Worthington®, Ingersoll-Rand®, and Waukesha® are registered trademarks of
Dresser-Rand. Cooper-Bessemer®, Ajax®, Superior® and Enterprise® are registered
trademarks of Coopper Energy Services. Nordberg® is the registered trademark of hatch and
Kirk.