http://www.bestmlmmarketing.com/best-mlm-companies-reviews/acn-review/ The Best Unbiased ACN Reviews. ACN or the American Communications Network is considered the world’s largest direct marketing telecommunication company. Theacn review company was founded by four of the veterans in the telecommunication industry in the U.S. who are having years of sales and operations experience in the telecommunication industry. They were employed in various companies in the U.S. dealing with telecommunication and related services. Finally, they thought of founding their own company based on their extensive experience in the industry. This was what gave birth to ACN.