R-40 Homes Inc
R-Amtech International Inc.
R-B Corporation
R-Byte Inc.
R-C Can Company
R-C Water Weeder Company
R-Can Environmental Inc.
R-Co Inc.
R-Con International
R-Jet Engineering Ltd.
R-Mac Leasing And Sales Llc
R-N Corporation
R-O International
R-O International Corporation
R-O Manufacturing Co.
R-Projects Bv
R-Tec Technologies Inc.
R-Tech Ueno Ltd.
R-Theta Inc.
R-Theta Thermal Solutions Inc.