BBT Trans-Union Interstate Pipeline, a 42-mile pipeline crossing from Louisiana to Arkansas, is part of Black Bear Transmission, LLC's portfolio. Operated by BBT Trans-Union Interstate Pipeline, LP, it serves over 50% utilization, catering to industrial and power generation sectors. Notable customers include Union Power Plant by Entergy and El Dorado Chemical Company. The pipeline traverses through Louisiana and Arkansas, connecting with Texas Gas Transmission and Regency Intrastate Gas LLC.