Walton Family Foundation Is State's Richest Nonprofit by Alicia Stogner Posted 9/22/2003 12:00 am Updated 6 years ago The Walton Family Foundation Inc. in Bentonville continues to dominate the state's largest nonprofit organizations. 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.