tenspeed
Executive Chef
You might want to consider cooler corn - corn on the cob cooked in a cooler. Put shucked ears of corn in a cooler, cover with boiling water, and let sit for 30 minutes. Keeps for a couple of hours. I've had it a number of times at catered events, often in a cheap styrofoam cooler.
Cooler Corn Recipe - Food.com
Cooler Corn Recipe - Food.com