Total Plaza (formerly the Entex Building, Louisiana Place, and United Gas Building) is a tower in Downtown Houston, Texas, one block from the Allen Center complex. The building, managed by Brookfield Properties, opened in 1971. The 35-story building, designed by the architect Lloyd, Morgan & Jones, was renovated in 1981 and 1996, and features a mirror-finished reflective glass on its exterior. Each floor has about 24,000 sq ft (2,200 m2), with a total of 847,200 sq ft (78,710 m2). The building is named after its major tenant, Total Petrochemicals USA, a subsidiary of TotalEnergies SE. The complex was formerly the headquarters of the Metropolitan Transit Authority of Harris County (METRO).