Saber Realty Partners is a commercial real estate investment firm based here in Brentwood. The company is active in office, retail and industrial property acquisition and development. Many properties held by the company are in Southern California, with holdings also in Arizona, Colorado, Texas, Tennesee and Costa Rica. Company principals John Bertram and Gregory Sackler co-founded the company, bringing with them substantial experience in commercial real estate sales and leasing. Both Bertram and Sackler graduated form University of California schools and participate in many charitable organizations.