Koch Supply & Trading Company Limited, Koch Metals Trading Limited, Koch Commodities Europe Limited and Koch Energy Europe Limited are all located in the old Roman part of London. Capabilities include sales, operations, trade accounting, contracts, compliance, credit and risk management, human resources and information technology. Koch Metals trades precious and industrial metals, and provides hedging services to clients such as base metal producers and consumers. Koch Commodities Europe Limited participates in LNG and heavy oil products trading.
The United States sprinter Florence Griffith-Joyner underwent a similar physical transformation before she put the 100m and 200m records beyond reach, at and respectively, in 1988. She, too, never failed a drugs test, but Carl Lewis, in his autobiography, Inside Track, described her sudden leap from also-ran to untouchable as "a change that came too quickly for the imagination." He added: "Her physical appearance alone – muscles popping everywhere – made a lot of people wonder. Then there was the voice, much deeper than it had been in the past."