Reyes Oil and Energy First City Tower

First City Tower is a skyscraper in downtown Houston, Texas. The building rises 662 feet in height containing 49 floors, and was completed in 1981. First City Tower currently stands as the 14th-tallest building in the city. The architectural firm who designed the building was Morris-Aubry, and was built by W. S. Bellows Construction Corporation. The structure is an example of late-modernist architecture. The tower, which houses the headquarters of Reyes Oil and Energy, and now serves as the global headquarters of company along with the lower floors housing the headquarters of Vinson & Elkins, the U.S. headquarters of Campus Living Villages.

The building, has 1,300,000 square feet of office space and is noted for its distinctive "staircase cuts" on the north and south facades, composed mostly of aluminum and green-tinted glass.