CENTURY 21 Landmark Realty Group deals in the buying and selling of condos, townhomes, vacant lands, multifamily homes, farms, ranches, and commercial and industrial properties. With a presence in Elkhart, Ind., the company provides a variety of mortgage, relocation and property management services. CENTURY 21 Landmark Realty Group is affiliated with Century 21 Real Estate, one of the world's largest residential real estate organizations that offers services through more than 8,000 independently owned and operated offices. The parent company offers services in more than 50 countries located in North America, Latin America, Europe, the Middle East and Asia. Century 21 Real Estate is a subsidiary of Realogy Corporation, which is a global provider of real estate and relocation services.