| RR ADVANCED ENERGY SYSTEMS LTD. ( Ontario, CA ) | RR INC. ( Tokyo, JP ) | RRI Holdings, Inc. ( Dallas, TX ) |
| RR Card Systems, Inc. ( Walnut Creek, CA ) | RR Valve, Inc. ( Houston, TX ) | RRI, Inc. ( Paterson, NJ ) |
| RR Cycles Inc. ( Manchester, NH ) | RRC Power Solutions GmbH( Homburg ) | RRKT Company ( Katy, TX ) |
| RR Design, Inc. ( Terrell, TX ) | RRC power solutions GmbH ( Homburg, DE ) | RRTK Enterprises, Inc. ( Green Bay, WI ) |
| RR Donnelley & Sons Company ( Chicago, IL ) | RRC-SGTE Technologies, LLC ( Raleigh, NC ) | |
| RR Elektronische Gerate GmbH & Co. KG( Kiel ) | RRETEX, Inc. ( Mechanicsburg, PA ) | |
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