Howard Hanna Real Estate Services | 29,553 followers on LinkedIn. Home Happens Here.® | The Hanna Family of Companies proudly provide real estate, title, insurance and mortgage services to clients across 13 states. As the largest family-owned and -operated real estate brokerage in the United States, this full-service real estate company has more than 480 offices and 15,000 sales associates and staff, including many of the industry’s top-producing real estate, title, mortgage and insurance agents.