Allen Center - Two Allen Center

Two Allen Center was known as the Citicorp Building in 1989. During that year Exxon had office space there.

Greater Houston Partnership has its offices in Suite 700, on the seventh floor.

Devon Energy had its Houston office there. In October 2012 Devon Energy announced that it was closing its office there, affecting 500 jobs.

Two Allen Center also hosts the headquarters of Houston-based national tax law firm Chamberlain Hrdlicka.