The Top of Troy stands at 755 West Big Beaver Road, in Troy, Michigan. It is the tallest building in Troy, Michigan. PNC Financial Services maintains regional offices in the building as the major tenant. The triangular-shaped high-rise was constructed in 1974, and completed in 1975. It stands 25 stories (346 ft/106m), and is used mainly for office space, retail, and restaurant uses. It was designed in the international style of architecture.