Trade Show Exhibits & Event Marketing in North Carolina and South Carolina, as well as Virginia Find the right fit for your brand with Holt Experiential. A premier event marketing agency specializing in designing, fabricating, and servicing innovative trade show exhibits, as well as providing concept-to-creation solutions for B2B marketing environments, including digital content creation, brand consulting and interior design of commercial spaces, i.e. lobbies, innovation labs, and conference rooms.