Oberdorfer Pumps Corp

Ocala Instruments & Research Inc

Ohio Magnetics Inc

Okada America

Olin Pump Corp-Halco Inc

Omaha Standard Inc

OMCO Manufacturing Corp

Omni-Lift Inc

Orbit Screens Inc

Oshkosh Truck Corp

OX Bodies Inc

Ozark Abrasives

Oztec Industries Inc: Winch Division