Grubb & Ellis | Levy Beffort, a leading commercial real estate firm, has merged with one-time competitor William T. Strange & Associates, creating a new, prominent regional commercial real estate tandem in the Oklahoma City market. The merged firm will remain 100 percent locally owned and managed while operating as an affiliate of Newmark Grubb Knight Frank (NGFK), one of the world's leading commercial real estate advisory firms. The firm will do business as Newmark Grubb Levy Strange Beffort (NGLSB).