Buyer's Agent USA - Buyer's guide to Maryland real estate and buyer agents brokers. O'Brien Realty - Information on residential and commercial property for sale in Maryland as well as view virtual tours of available property. Community and relocation information also provided. Five offices. Maryland Chapter of National Association of Industrial and Office Properties (NAIOP) - Represents the commercial real estate industry through legislative action, educational programs, and research. Includes news and events, purpose, and membership information. KLNB - A full service real estate company offering commercial brokerage and property management. Includes description of services, employee list with specialties and contact information, news, and property listings. Manekin LLC - A full-service commercial real estate company with offices in Columbia, Baltimore, and Frederick. Description of asset management, brokerage, construction, development and investment services. Real Estate Commission Public Query - Provides name and location searches for active real estate agent licensees practicing in the state.