Greene’s Energy Group, LLC (GEG), a provider of integrated testing, rentals and specialty services has promoted Antwan McMillian to manager, testing and services. McMillian is responsible for the testing and services for blowout preventers (BOP) throughout 20 Houston-area counties. He will also manage the technicians and equipment within his geographic area. As an employee of GEG since 2007, McMillian has held positions such as a helper T1, T3 operator and sales representative for district 3.