Skilling, Helle, Christiansen, Robertson - The Skyscraper Center

Skilling, Helle, Christiansen, Robertson

Magnusson Klemencic Associates is a member of the CTBUH at the Gold level.

Renamed to:

Skilling Ward Rogers Barkshire (1983) | Skilling Ward Magnusson Barkshire (1987) | Magnusson Klemencic Associates (2003)

Formerly Named:

Worthington, Skilling, Helle, & Jackson (1967) | Worthington & Skilling (1960) | W.H. Witt Company (1955)

Buildings

RANK	Name	City	Status Completed Architecturally Topped Out Structurally Topped Out Under Construction On Hold Proposed Vision Never Completed Demolished Competition Entry Canceled Proposed Renovation Under Renovation Renovated Under Demolition See all status definitions Filter by ✕ Completed Architecturally Topped Out Structurally Topped Out Under Construction On Hold Proposed Vision Never Completed Demolished Competition Entry Canceled Proposed Renovation Under Renovation Renovated Under Demolition + Select All	Completion	Height	Floors	Function
1	One World Trade Center	New York City		1972	417 m / 1,368 ft	110	Office
2	Two World Trade Center	New York City		1973	415.1 m / 1,362 ft	110	Office
3	Safeco Plaza	Seattle		1969	192 m / 630 ft	50	Office
4	Bank of America Fifth Avenue Plaza	Seattle		1981	165.5 m / 543 ft	42	Office
5	Rainier Tower	Seattle		1977	156.7 m / 514 ft	31	Office
6	One Union Square	Seattle		1981	139 m / 456 ft	36	Office
7	IBM Building	Seattle		1964	84.1 m / 276 ft	20	Office / Retail
8	Tower Building	Seattle		1930	67 m / 220 ft	17	Office
9	Marquette Plaza	Minneapolis		1973	64.6 m / 212 ft	13	Office