As a 401(k) plan sponsor, the details of your plan are for public consumption because your annual Form 5500 is available to be publicly viewed. There is a whole cottage industry within the retirement plan industry where details of your plan are sold to plan providers that want information for plan prospecting and they want your business. So expect the phone calls, emails, and even this day, mail from plan providers that want your business. This article is all about how to deal with plan providers that are contacting you for your business.