Does it bother anybody else that the source in question is as bad as it is?
I looked at the source for the claim that the US has engaged in industrial espionage, which points to a 194 page report from a European commission and which the person who made the claim is clearly hoping was too long for anybody to read.
The only point relevant to the claim is this:
The United States readily admits that some of its intelligence service's activities also concern industry. This includes, for example, monitoring of the observance of economic sanctions, compliance with rules on the supply of weapons and dual use goods, developments on commodities markets and events on the international financial markets. The rapporteur's findings are that the US services are not alone in their involvement in these spheres, nor is there any serious criticism of this.
In other words, the industrial espionage they know about is something they aren't even willing to criticize.
Further along, under a big heading "Is ECHELON suitable for industrial espionage?" they go on to explain that if it finds any, it was an accident.
The strategic monitoring of international telecommunications, can produce useful information for industrial espionage purposes, but only by chance. In fact, sensitive industrial information is primarily to be found in the firms themselves, which means that industrial espionage is carried out primarily by attempting to obtain the information via employees
(their emphasis)
In other words, they took two paragraphs and three bullet points to say "no, they wouldn't bother using ECHELON for this."
It is followed by a chart of cases of industrial espionage (with no explanation as to how they arrived at any of the entries), and the only entry that may relate to ECHELON (rather than using an agent or taking photographs) is a 1994 NSA action where they intercepted calls and faxes related to how Airbus was bribing Saudi Arabian officials to win a contract. Those dastardly Americans! It's so rude to use spy on the competition when they're just trying to bribe somebody. Gosh! And yet still, I'm just supposing this entry is in any way related to ECHELON since it makes no such claim.
I am not claiming the US does not engage in this kind of behavior; they probably do, and for all I know they've been caught red-handed at it too. But this report is not proof of that, even if we were to take Wikipedia as a great source of anything to begin with.