Walton Family Foundation Is State's Largest Nonprofit by Mark Friedman Posted 9/17/2001 12:00 am Updated 6 years ago The Walton Family Foundation topped the list of largest nonprofit organizations in the state with nearly $1 billion in assets. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.