http://www.guideindustry.com/flexible-shaft-couplings/Site description http://www.elbeusa.com/Elbe has been an original since 1919, manufacturing universal joint drive shafts, u-joints and jackshafts in a number of styles, along with a wide range of other power transmission products.Fri, 10 Sep 2010 15:52:17 GMT http://www.guardiancouplings.com/PUT A GUARDIAN ON YOUR UNIT! Our product line includes GRID, GEAR, JAW, GEAR GRIP and DISC flexible couplings.Fri, 10 Sep 2010 15:52:17 GMT http://www.johnsonpower.com/For more than six decades, Johnson Power has been committed to innovation in designing and manufacturing industrial universal joint drive shafts.Fri, 10 Sep 2010 15:52:17 GMT http://www.ktrcorp.com/KTR manufactures ROTEX flexible couplings, BoWex couplings, SYNTEX overload systems, DATAFLEX couplings and components for the power transmission industry.Fri, 10 Sep 2010 15:52:17 GMT http://www.rw-america.com/R+W—The ultimate coupling for all applications.Fri, 10 Sep 2010 15:52:17 GMT