In this paper, we investigate and specify the Bertrand offsets of slant ruled and developable
surfaces in Euclidean 3-space E3. This is accomplished by utilizing the symmetry of slant curves. As
a consequence of this, we present the parameterization of the Bertrand offsets for any slant ruled and
developable surfaces. In addition to this, we investigate the monarchies of these ruled surfaces and
assign them their own unique classification. Also, we illustrate some examples of slant ruled surfaces.