Corporations cannot be sentenced to imprisonment or death; it would be an absurdity. They can certainly be sentenced to pay a fine, as well as various other punishments. A fine can be so large that it takes away all the corporation's assets, effectively destroying it; this is the closest thing to a "death penalty".
There's a good summary in "Corporate Criminal Liability: An Overview of Federal Law" by Charles Doyle, prepared for the Congressional Research Service. Sentencing is discussed on page 20.
Corporations cannot be incarcerated. Nor can they be put to death. Otherwise, corporations and
individuals face many of the same consequences following conviction. Corporations can be
fined. They can be placed on probation. They can be ordered to pay restitution. Their
property can be confiscated. They can be barred from engaging in various types of commercial
The rest of the section discusses these various possibilities. Under "Fines" is the following note:
The corporate fine Guidelines begin with the premise that a totally corrupt corporation should be
fined out of existence, if the statutory maximum permits. A corporation operated for criminal
purposes or by criminal means should be fined at a level sufficient to strip it of all of its assets.
See the article for further information, together with citations for all its claims.