SERVING THE UPSTATE SINCE 1992 Langston Black Real Estate, Inc. provides a full range of commercial and industrial real estate services to clients throughout Upstate South Carolina. Langston Black's primary focus is real estate located in the counties of Greenville and Spartanburg with a special emphasis on the area around the Greenville-Spartanburg Airport. Langston Black has also, at the request of clients, worked on projects throughout the state.