Pictures from the history of ISS
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1901-1934
ISS was founded in 1901 as a night security firm named Kjøbenhavn-Frederiksberg Nattevagt.
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1934-1945
The employees at the firm's inception on 15 March 1934. They were all equipped with the firm's new uniforms and a hat with the swan emblem.
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1945-1960
The machines were improved and refined year by year.
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1960-1973
The sixties brought higher growth rates to the firm - both in Denmark and abroad.
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1973-1983
This photograph shows DDRS cleaning workers at Ringsted Hospital in 1975. In 2005, ISS celebrated its 40th anniversary
at Ringsted Hospital.
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1983-1993
The USA adventure made a clear impression
on ISS throughout the 1980s.
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1993-2000
ISS ESGO carried out pest control at the Temple of Heaven in Beijing.
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2000-2005
The idea behind ISS' new uniforms was that employees should blend in naturally with other people in public spaces.
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