The story
Argus was established in 1970 by former Daily Telegraph journalist Jan Nasmyth. In 1985, the company opened offices in Singapore and Houston. It began covering European gas and power markets in 1995, and added coal and biofuels in the early 2000s.
The company has acquired numerous companies across commodity markets over its history:
From Wikipedia’s article on Argus Media, shared under CC BY-SA 4.0.5