Cupples

Subsidiary of Enclos Corp.

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Enclos Corp. is a member of the CTBUH at the Donor level.

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Buildings

Note: All listed data for proposed or under construction buildings is based on the most reliable information currently available. This data is thus subject to change until the building has completed and all information can be confirmed and ratified by the CTBUH.

  Completed   Architecturally Topped Out   Structurally Topped Out   Under Construction   On Hold   Never Completed   Proposed   Vision   Demolished
ID #   Status Building Name City Height (m) Height (ft) Floors Completed Material Use
169 1   COM Willis Tower Chicago (US) 442.1 1,451 108 1974 steel office
339 2   COM Aon Center Chicago (US) 346.3 1,136 83 1973 steel office
345 3   COM 875 North Michigan Avenue Chicago (US) 343.7 1,128 100 1969 steel residential / office
593 4   COM One Liberty Place Philadelphia (US) 288 945 61 1987 steel office
611 5   COM Columbia Center Seattle (US) 284.4 933 76 1984 composite office
1026 6   COM Bank of America Center Houston (US) 237.8 780 56 1983 steel office