The new IAH terminal project is creating opportunities for businesses across multiple industries, from construction and engineering to security and logistics. Among the companies benefiting from the expansion is Houston-based Accurate Security, Inc., which has spent more than a decade building relationships, developing expertise and positioning itself for larger opportunities. Today, the company is playing a role in one of Houston’s most significant infrastructure projects, demonstrating how persistence, networking and strategic growth can help small businesses break into major public-sector developments. For more than a decade, Accurate Security, Inc. quietly built its reputation the old-fashioned way — through persistence, relationships…