O.D.B. (G. Brown presents)
Artist with "Legend of the Drunken Master: The Best of O.D.B." album

O.D.C
Artist with "guerrillas" album

O.D.C.
Artist with "G Til They Kill Me" album

O.D.M.
Artist with "Ensuing Din" album

O.D.T. Records
Artist with "Population Est: 4 Million Screwheads" album

O.D.U
Artist with "Angels from Heaven" album

O.Dance
Artist with the following albums: "On the Beat", "Dominator"