The Greater Houston Convention and Visitors Bureau (GHCVB) is the primary sales and marketing arm of the city of Houston and ... Harris County. The GHCVB works year-round to attract new convention and visitor business to Houston. Our membership is an important part of everything we do. We continue to connect our members and their products and services. Membership is responsible for maintaining and retaining GHCVB members. Membership plans ongoing member events such as monthly membership mixers, business-to-business networking events, seminars and member orientations. read more