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The company grew slowly over the first half
of the 20th century. In 1946, it incorporated
and offered mechanical and electrical engi-
neering services. After founder Harry Holborn
Angus passed, company leadership passed to
his son, Donald L. Angus, and the company
flourished under his leadership. This was after
HH Angus helped to develop SAGE, NORAD’s
Semi-Automatic Ground Environment to con-
trol its continental missile and radar detection
systems in the event of a nuclear attack. This
was the firm’s first computing centre job. In
the 1970s, the firm branched into consulting
to meet a growing client demand.
Donald’s son, Harry G. Angus, ushered in the
third generation of successful management
when he assumed the presidency in 1985.
Since then, HH Angus has continued to pur-
sue projects that exemplify raised standards in
technical, green and sustainable innovations.
Throughout the 1980s and 1990s, HH Angus
worked on many international developments
including Canary Wharf in London, England,
and projects in China, the Middle East and Af-
rica.
Royal Jubilee Hospital
