About Melvin Mark CompaniesThe Melvin Mark Companies have developed, owned and managed property in Portland since 1945. They currently own or manage more than 2.8 million square feet of commercial space in the metro area, and provide a full range of commercial real estate services for landlords and tenants. The companies include Melvin Mark Brokerage Company, Melvin Mark Development Company, Melvin Mark Properties, Melvin Mark Construction Company and Melvin Mark Capital Group. Melvin Mark Brokerage Company is Oregon's only member of The CORE Network, a global alliance of commercial real estate providers with affiliations in the United States, Canada, Mexico, Asia and Europe.