Michael Henderson: Finalist, Large Private Companies Category by Arkansas Business Staff Posted 11/7/2011 12:00 am Updated 6 years ago Michael Henderson is one of a trio of men who oversee the three arms of Electric Cooperatives of Arkansas. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.