Robert R. Walker

Society of Industrial & Office REALTORS (SIOR) is a commercial real estate association that represents the world's top producing brokers. The non-profit company is based in the United States and has subsidiaries worldwide. SIOR offers categories and an application process for membership, collaborating with industry leaders through its industry partner programs. SIOR membership signifies that you are among the most knowledgeable, experienced, and successful commercial real estate brokerage specialists. Robert Thornburgh has been the CEO of the American company since 2021.

Cushman & Wakefield, Inc. provides commercial real estate services. Its services include agency leasing, asset services, capital markets, facility services, global occupier services, investment and asset management, project and development, tenant representation, and valuation and advisory. The company was founded by J. Clydesdale Cushman and Bernard Wakefield on October 31, 1917 and is headquartered in New York, NY.

Part of Koll Management Services, Inc., Rubloff, Inc. is a real estate management services company. The company is based in Chicago, IL. Rubloff was acquired by Koll Management Services, Inc. on June 15, 1993.

Sierra Capital Co. provides mortgage loan services. The private company is based in San Francisco, CA and has subsidiaries in the United States.

ScanlanKemperBard Cos. LLC provides real estate services. It also provides capital to companies in the form of shared ownership and offers new avenue for accredited investors desiring to create and retain wealth through real estate. The company was founded by Robert D. Scanlan in 1993 and is headquartered in Portland, OR.