Total Plaza (formerly the Entex Building, Louisiana Place, and United Gas Building) is a tower in Downtown Houston, Texas, one block away 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 Total S.A..