Root9B Technologies, Inc. (Root9B Technologies), formerly Premier Alliance Group, Inc. is a clean technology company that offers cyber security, energy and controls, and business advisory solutions. The company cybersecurity solutions comprise vulnerability assessment, penetration testing, network defense operations, cloud computing risk evaluation, tool development, mobile cyber protection, compliance testing, wireless technology support, and SCADA security operations, and others. It offers full service control system engineering and integration services for achieving goals by automation through its subsidiaries. The company provides solutions to a wide range of companies that include owner-managed businesses to multinational corporations. Root9B Technologies is headquartered in Charlotte, North Carolina, the US.