The invention relates to a method for manufacturing a turbine engine casing (1), characterized in that said method includes the steps of: manufacturing (E1) a plurality of sectors (2), at least one portion of the sectors (2) being manufactured by casting and including, on the surface thereof, fastening elements (3) produced during the casting step, assembly bands (8) being produced at the ends of the sectors (2) during the step of manufacturing the sectors (2) by casting, by means of which the sectors (2) can be assembled; and assembling (E2) the sectors (2) end-to-end such as to form a ring (5) of the casing (1). The invention also relates to a turbine engine casing (1).