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About Us

The Staff of State Services Organization (SSO) welcomes you to the Hall of the States. Conveniently located just blocks from the U.S. Capitol and Union Station, the Hall of the States is home to many Washington offices of the fifty states, U.S. territories and associations of the state officials. SSO, which manages the 225,000 square feet of office space that make up the Hall of the States, is proud to offer a broad range of services to more than 90 organizations.


SSO was founded in 1976 as a joint venture of the Council of State Governments, the National Conference of State Legislatures and the National Governors Association. Our mission is to provide our tenants with superior service at competitive prices achieved through economies of scale. Appreciating that time is a scarce commodity to many of our tenants, we strive to offer a comprehensive range of services. These services include: internet access, telecommunication services, an in-house library, fourteen state-of-the art conference rooms, a full services print shop, and desktop publishing with graphic design capabilities. Tenants of State Services Organization have access to an onsite fitness center, fine dining restaurant, convenience store, dry cleaner and bank with automated teller machines. Our building services staff will assist you with all your construction and building maintenance issues, allowing your staff to focus on the needs of your organization.

Most of our member organizations have been with us for several years and the staff of State Services Organization appreciates the trust and relationships that have developed. SSO constantly strives to meet and exceed the expectation of our affiliates. We appreciate the time you have taken to learn more about the Hall of the States and State Services Organization. Please feel free to call us to discuss any special needs or questions you may have.


best of washingtonIn 2012, we were named the Washington Business Journal’s Best Real Estate Deal in the Lease Renewal category for successfully obtaining low rental rates and great cost savings within our 237,000 square feet of prime Capitol Hill office space. We’re honored to have received this award and hope it illustrates the value we have for our more than 95 tenants—most of which have been with us for many years